From 4482278264e4eb7ff345281e80a093d0807a5892 Mon Sep 17 00:00:00 2001 From: yb175 Date: Fri, 9 Oct 2026 19:48:11 +0000 Subject: [PATCH 1/4] feat: add C implementation for blas/ext/base/ndarray/swhere --- .../blas/ext/base/ndarray/swhere/README.md | 60 +++ .../ndarray/swhere/benchmark/benchmark.js | 2 +- .../swhere/benchmark/benchmark.native.js | 121 +++++ .../base/ndarray/swhere/benchmark/c/Makefile | 146 ++++++ .../swhere/benchmark/c/benchmark.length.c | 159 +++++++ .../blas/ext/base/ndarray/swhere/binding.gyp | 170 +++++++ .../base/ndarray/swhere/examples/c/Makefile | 146 ++++++ .../base/ndarray/swhere/examples/c/example.c | 67 +++ .../blas/ext/base/ndarray/swhere/include.gypi | 53 +++ .../stdlib/blas/ext/base/ndarray/swhere.h | 40 ++ .../blas/ext/base/ndarray/swhere/lib/index.js | 16 +- .../ext/base/ndarray/swhere/lib/native.js | 50 ++ .../ext/base/ndarray/swhere/manifest.json | 109 +++++ .../blas/ext/base/ndarray/swhere/package.json | 4 + .../blas/ext/base/ndarray/swhere/src/Makefile | 70 +++ .../blas/ext/base/ndarray/swhere/src/addon.c | 70 +++ .../blas/ext/base/ndarray/swhere/src/main.c | 50 ++ .../blas/ext/base/ndarray/swhere/test/test.js | 53 ++- .../ext/base/ndarray/swhere/test/test.main.js | 412 ++++++++++++++++ .../base/ndarray/swhere/test/test.native.js | 444 ++++++++++++++++++ 20 files changed, 2235 insertions(+), 7 deletions(-) create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/Makefile create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/benchmark.length.c create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/binding.gyp create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/include.gypi create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/include/stdlib/blas/ext/base/ndarray/swhere.h create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/lib/native.js create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/manifest.json create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/Makefile create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/addon.c create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/main.c create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.main.js create mode 100644 lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.native.js diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md index fdfbb439580c..c5ff24332374 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md @@ -111,6 +111,66 @@ console.log( ndarray2array( out ) ); +
+ +## C APIs + +
+ +
+ + + +
+ +### Usage + +```c +#include "stdlib/blas/ext/base/ndarray/swhere.h" +``` + +#### stdlib_blas_ext_swhere( arrays ) + +Takes elements from one of two one-dimensional single-precision floating-point ndarrays depending on a condition and assigns them to an output ndarray. + +```c +const struct ndarray *arrays[] = { condition, x, y, out }; +stdlib_blas_ext_swhere( arrays ); +// The output ndarray `out` now contains the selected values. +``` + +The function accepts the following argument: + +- **arrays**: `[in] struct ndarray**` list containing a one-dimensional boolean condition ndarray, two one-dimensional single-precision floating-point input ndarrays, and a one-dimensional single-precision floating-point output ndarray. + +```c +void stdlib_blas_ext_swhere( const struct ndarray *arrays[] ); +``` + +
+ + + +
+ +
+ + + +
+ +### Examples + +See the [C example](./examples/c/example.c) for a complete program constructing the ndarrays and calling this function. + +
+ + + +
+ + +
diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/benchmark.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/benchmark.js index 134c56de2a1b..af17b252deb4 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/benchmark.js @@ -27,7 +27,7 @@ var BooleanVector = require( '@stdlib/ndarray/vector/bool' ); var pow = require( '@stdlib/math/base/special/pow' ); var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; -var swhere = require( './../lib' ); +var swhere = require( './../lib/main.js' ); // VARIABLES // diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/benchmark.native.js new file mode 100644 index 000000000000..905a74b9e23f --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/benchmark.native.js @@ -0,0 +1,121 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var bernoulli = require( '@stdlib/random/array/bernoulli' ); +var uniform = require( '@stdlib/random/uniform' ); +var BooleanVector = require( '@stdlib/ndarray/vector/bool' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var format = require( '@stdlib/string/format' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var swhere = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( swhere instanceof Error ) +}; +var options = { + 'dtype': 'float32' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - ndarray length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var condition; + var cbuf; + var out; + var x; + var y; + + cbuf = bernoulli( len, 0.5, { + 'dtype': 'uint8' + }); + condition = new BooleanVector( cbuf.buffer ); + out = uniform( [ len ], -100.0, 100.0, options ); + x = uniform( [ len ], -100.0, 100.0, options ); + y = uniform( [ len ], -100.0, 100.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var v; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + v = swhere( [ condition, x, y, out ] ); + if ( typeof v !== 'object' ) { + b.fail( 'should return an ndarray' ); + } + } + b.toc(); + if ( typeof v !== 'object' ) { + b.fail( 'should return an ndarray' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( format( '%s::native:len=%d', pkg, len ), opts, f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/Makefile b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/Makefile new file mode 100644 index 000000000000..0756dc7da20a --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.length.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/benchmark.length.c new file mode 100644 index 000000000000..32779de575ca --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/benchmark.length.c @@ -0,0 +1,159 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/ext/base/ndarray/swhere.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/index_modes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/base/bytes_per_element.h" +#include +#include +#include +#include +#include +#include + +#define NAME "swhere" +#define ITERATIONS 1000000 +#define REPEATS 3 +#define MIN 1 +#define MAX 6 + +/** +* Returns a clock time in seconds. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec/1.0e6; +} + +/** +* Runs a benchmark. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds, or -1.0 if allocation fails +*/ +static double benchmark( int iterations, int len ) { + const struct ndarray *arrays[ 4 ]; + int64_t cstrides[] = { STDLIB_NDARRAY_BOOL_BYTES_PER_ELEMENT }; + int64_t strides[] = { STDLIB_NDARRAY_FLOAT32_BYTES_PER_ELEMENT }; + int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; + int64_t shape[] = { len }; + struct ndarray *c = NULL; + struct ndarray *x = NULL; + struct ndarray *y = NULL; + struct ndarray *out = NULL; + bool *condition; + float *dataX; + float *dataY; + float *dataOut; + double elapsed; + double start; + int i; + + condition = (bool *)malloc( len * sizeof( bool ) ); + dataX = (float *)malloc( len * sizeof( float ) ); + dataY = (float *)malloc( len * sizeof( float ) ); + dataOut = (float *)malloc( len * sizeof( float ) ); + if ( condition == NULL || dataX == NULL || dataY == NULL || dataOut == NULL ) { + elapsed = -1.0; + goto cleanup; + } + for ( i = 0; i < len; i++ ) { + condition[ i ] = (bool)( rand() & 1 ); + dataX[ i ] = (float)rand() / RAND_MAX; + dataY[ i ] = (float)rand() / RAND_MAX; + dataOut[ i ] = 0.0f; + } + c = stdlib_ndarray_allocate( STDLIB_NDARRAY_BOOL, (uint8_t *)condition, 1, shape, cstrides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast + x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataX, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast + y = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataY, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast + out = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataOut, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast + if ( c == NULL || x == NULL || y == NULL || out == NULL ) { + elapsed = -1.0; + goto cleanup; + } + arrays[ 0 ] = c; + arrays[ 1 ] = x; + arrays[ 2 ] = y; + arrays[ 3 ] = out; + + start = tic(); + for ( i = 0; i < iterations; i++ ) { + stdlib_blas_ext_swhere( arrays ); + if ( dataOut[ 0 ] != dataOut[ 0 ] ) { + break; + } + } + elapsed = tic() - start; + if ( i != iterations ) { + elapsed = -1.0; + } + +cleanup: + stdlib_ndarray_free( c ); + stdlib_ndarray_free( x ); + stdlib_ndarray_free( y ); + stdlib_ndarray_free( out ); + free( condition ); + free( dataX ); + free( dataY ); + free( dataOut ); + return elapsed; +} + +/** +* Main execution sequence. +* +* @return exit status +*/ +int main( void ) { + double elapsed; + int count; + int iter; + int len; + int i; + int j; + + srand( time( NULL ) ); + printf( "TAP version 13\n" ); + count = 0; + len = 1; + for ( i = MIN; i <= MAX; i++ ) { + len *= 10; + iter = ITERATIONS / ( len / 10 ); + for ( j = 0; j < REPEATS; j++ ) { + count += 1; + printf( "# c::%s:len=%d\n", NAME, len ); + elapsed = benchmark( iter, len ); + if ( elapsed < 0.0 ) { + printf( "not ok %d benchmark failed\n", count ); + return 1; + } + printf( " ---\n iterations: %d\n elapsed: %0.9f\n rate: %0.9f\n ...\n", iter, elapsed, (double)iter/elapsed ); + printf( "ok %d benchmark finished\n", count ); + } + } + printf( "1..%d\n# total %d\n# pass %d\n#\n# ok\n", count, count, count ); + return 0; +} diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/binding.gyp b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/binding.gyp new file mode 100644 index 000000000000..0d6508a12e99 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/examples/c/Makefile b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/examples/c/example.c b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/examples/c/example.c new file mode 100644 index 000000000000..bca8696dc8ce --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/examples/c/example.c @@ -0,0 +1,67 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/ext/base/ndarray/swhere.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/index_modes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/base/bytes_per_element.h" +#include +#include +#include +#include + +int main( void ) { + bool condition[] = { true, false, true, false }; + float dataX[] = { 1.0f, 2.0f, 3.0f, 4.0f }; + float dataY[] = { 5.0f, 6.0f, 7.0f, 8.0f }; + float dataOut[] = { 0.0f, 0.0f, 0.0f, 0.0f }; + int64_t shape[] = { 4 }; + int64_t cstrides[] = { STDLIB_NDARRAY_BOOL_BYTES_PER_ELEMENT }; + int64_t strides[] = { STDLIB_NDARRAY_FLOAT32_BYTES_PER_ELEMENT }; + int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; + struct ndarray *c; + struct ndarray *x; + struct ndarray *y; + struct ndarray *out; + int i; + + c = stdlib_ndarray_allocate( STDLIB_NDARRAY_BOOL, (uint8_t *)condition, 1, shape, cstrides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast + x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataX, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast + y = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataY, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast + out = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataOut, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast + if ( c == NULL || x == NULL || y == NULL || out == NULL ) { + fprintf( stderr, "Error allocating memory.\n" ); + stdlib_ndarray_free( c ); + stdlib_ndarray_free( x ); + stdlib_ndarray_free( y ); + stdlib_ndarray_free( out ); + return 1; + } + const struct ndarray *arrays[] = { c, x, y, out }; + stdlib_blas_ext_swhere( arrays ); + for ( i = 0; i < 4; i++ ) { + printf( "out[ %i ] = %f\n", i, dataOut[ i ] ); + } + stdlib_ndarray_free( c ); + stdlib_ndarray_free( x ); + stdlib_ndarray_free( y ); + stdlib_ndarray_free( out ); + return 0; +} diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/include.gypi b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/include.gypi new file mode 100644 index 000000000000..bee8d41a2caf --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '} arrays - array-like object containing ndarrays +* @returns {ndarray} output ndarray +*/ +function swhere( arrays ) { + var condition = arrays[ 0 ]; + var out = arrays[ 3 ]; + var x = arrays[ 1 ]; + var y = arrays[ 2 ]; + addon( reinterpretBoolean( getData( condition ), 0 ), serialize( condition ), getData( x ), serialize( x ), getData( y ), serialize( y ), getData( out ), serialize( out ) ); // eslint-disable-line max-len + return out; +} + + +// EXPORTS // + +module.exports = swhere; diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/manifest.json b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/manifest.json new file mode 100644 index 000000000000..3e599c249baa --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/manifest.json @@ -0,0 +1,109 @@ +{ + "options": { + "task": "build", + "wasm": false + }, + "fields": [ + { + "field": "src", + "resolve": true, + "relative": true + }, + { + "field": "include", + "resolve": true, + "relative": true + }, + { + "field": "libraries", + "resolve": false, + "relative": false + }, + { + "field": "libpath", + "resolve": true, + "relative": false + } + ], + "confs": [ + { + "task": "build", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/blas/ext/base/swhere", + "@stdlib/ndarray/ctor", + "@stdlib/ndarray/base/napi/addon-arguments", + "@stdlib/napi/export", + "@stdlib/napi/argv" + ] + }, + { + "task": "benchmark", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/blas/ext/base/swhere", + "@stdlib/ndarray/ctor", + "@stdlib/ndarray/dtypes", + "@stdlib/ndarray/index-modes", + "@stdlib/ndarray/orders", + "@stdlib/ndarray/base/bytes-per-element" + ] + }, + { + "task": "examples", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/blas/ext/base/swhere", + "@stdlib/ndarray/ctor", + "@stdlib/ndarray/dtypes", + "@stdlib/ndarray/index-modes", + "@stdlib/ndarray/orders", + "@stdlib/ndarray/base/bytes-per-element" + ] + }, + { + "task": "", + "wasm": true, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/blas/ext/base/swhere", + "@stdlib/ndarray/ctor" + ] + } + ] +} diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/package.json b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/package.json index 9b6b277b417a..2989776ebb01 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/package.json +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/package.json @@ -14,11 +14,15 @@ } ], "main": "./lib", + "browser": "./lib/main.js", + "gypfile": true, "directories": { "benchmark": "./benchmark", "doc": "./docs", "example": "./examples", + "include": "./include", "lib": "./lib", + "src": "./src", "test": "./test" }, "types": "./docs/types", diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/Makefile b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/addon.c b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/addon.c new file mode 100644 index 000000000000..2af03bdb3847 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/addon.c @@ -0,0 +1,70 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/ext/base/ndarray/swhere.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/base/napi/addon_arguments.h" +#include "stdlib/napi/export.h" +#include "stdlib/napi/argv.h" +#include +#include + +/** +* Receives JavaScript callback invocation data. +* +* @param env environment under which the function is invoked +* @param info callback data +* @return Node-API value +*/ +static napi_value addon( napi_env env, napi_callback_info info ) { + STDLIB_NAPI_ARGV( env, info, argv, argc, 8 ); + + // Process provided arguments: + struct ndarray *arrays[ 4 ]; + napi_value err; + napi_status status = stdlib_ndarray_napi_addon_arguments( env, argv, 8, 4, arrays, &err ); + assert( status == napi_ok ); + if ( err != NULL ) { + status = napi_throw( env, err ); + assert( status == napi_ok ); + return NULL; + } + // Create a const-qualified view of the argument pointer list: + const struct ndarray *arr[ 4 ] = { + arrays[ 0 ], + arrays[ 1 ], + arrays[ 2 ], + arrays[ 3 ] + }; + // Perform computation: + stdlib_blas_ext_swhere( arr ); + + // Free allocated memory: + stdlib_ndarray_free( arrays[ 0 ] ); + stdlib_ndarray_free( arrays[ 1 ] ); + stdlib_ndarray_free( arrays[ 2 ] ); + stdlib_ndarray_free( arrays[ 3 ] ); + arrays[ 0 ] = NULL; + arrays[ 1 ] = NULL; + arrays[ 2 ] = NULL; + arrays[ 3 ] = NULL; + + return NULL; +} + +STDLIB_NAPI_MODULE_EXPORT_FCN( addon ) diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/main.c b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/main.c new file mode 100644 index 000000000000..c4773e49efe7 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/main.c @@ -0,0 +1,50 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/blas/ext/base/ndarray/swhere.h" +#include "stdlib/blas/ext/base/swhere.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/blas/base/shared.h" + +/** +* Takes elements from one of two one-dimensional single-precision floating-point ndarrays depending on a condition and assigns them to an output ndarray. +* +* @param arrays list containing a condition, two input ndarrays, and an output ndarray +*/ +void stdlib_blas_ext_swhere( const struct ndarray *arrays[] ) { + const struct ndarray *condition = arrays[ 0 ]; + const struct ndarray *x = arrays[ 1 ]; + const struct ndarray *y = arrays[ 2 ]; + const struct ndarray *out = arrays[ 3 ]; + + API_SUFFIX(stdlib_strided_swhere_ndarray)( + stdlib_ndarray_dimension( condition, 0 ), + (const bool *)stdlib_ndarray_data( condition ), + stdlib_ndarray_stride_elements( condition, 0 ), + stdlib_ndarray_offset_elements( condition ), + (const float *)stdlib_ndarray_data( x ), + stdlib_ndarray_stride_elements( x, 0 ), + stdlib_ndarray_offset_elements( x ), + (const float *)stdlib_ndarray_data( y ), + stdlib_ndarray_stride_elements( y, 0 ), + stdlib_ndarray_offset_elements( y ), + (float *)stdlib_ndarray_data( out ), + stdlib_ndarray_stride_elements( out, 0 ), + stdlib_ndarray_offset_elements( out ) + ); +} diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.js index 5af15e692e23..c447a875716d 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.js +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.js @@ -21,6 +21,8 @@ // MODULES // var tape = require( 'tape' ); +var proxyquire = require( 'proxyquire' ); +var IS_BROWSER = require( '@stdlib/assert/is-browser' ); var isSameFloat32Array = require( '@stdlib/assert/is-same-float32array' ); var Float32Array = require( '@stdlib/array/float32' ); var BooleanArray = require( '@stdlib/array/bool' ); @@ -28,6 +30,13 @@ var ndarray = require( '@stdlib/ndarray/base/ctor' ); var swhere = require( './../lib' ); +// VARIABLES // + +var opts = { + 'skip': IS_BROWSER +}; + + // FUNCTIONS // /** @@ -67,6 +76,40 @@ tape( 'main export is a function', function test( t ) { t.end(); }); +tape( 'if a native implementation is available, the main export is the native implementation', opts, function test( t ) { + var actual = proxyquire( './../lib', { + '@stdlib/utils/try-require': tryRequire + }); + + t.strictEqual( actual, mock, 'returns expected value' ); + t.end(); + + function tryRequire() { + return mock; + } + + function mock() { + // Mock... + } +}); + +tape( 'if a native implementation is not available, the main export is a JavaScript implementation', opts, function test( t ) { + var actual; + var main; + + main = require( './../lib/main.js' ); + actual = proxyquire( './../lib', { + '@stdlib/utils/try-require': tryRequire + }); + + t.strictEqual( actual, main, 'returns expected value' ); + t.end(); + + function tryRequire() { + return new Error( 'Cannot find module' ); + } +}); + tape( 'the function has an arity of 1', function test( t ) { t.strictEqual( swhere.length, 1, 'has expected arity' ); t.end(); @@ -355,23 +398,23 @@ tape( 'the function supports ndarrays having different strides and offsets', fun cbuf = new BooleanArray( [ false, true, false, true, false, false ] ); xbuf = new Float32Array( [ 1.0, 100.0, 2.0, 100.0, 3.0, 100.0, 4.0 ] ); ybuf = new Float32Array( [ 40.0, 30.0, 20.0, 10.0 ] ); - obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ] ); + obuf = new Float32Array( 12 ); c = bvector( cbuf, 4, -1, 4 ); x = vector( xbuf, 4, 2, 0 ); y = vector( ybuf, 4, -1, 3 ); out = vector( obuf, 4, 3, 1 ); expected = new Float32Array([ 0.0, - 10.0, // cbuf[4] = false => y[3] + 10.0, // false => y[3] 0.0, 0.0, - 2.0, // cbuf[3] = true => x[2] + 2.0, // true => x[2] 0.0, 0.0, - 30.0, // cbuf[2] = false => y[1] + 30.0, // false => y[1] 0.0, 0.0, - 4.0, // cbuf[1] = true => x[6] + 4.0, // true => x[6] 0.0 ]); diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.main.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.main.js new file mode 100644 index 000000000000..24d964f10813 --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.main.js @@ -0,0 +1,412 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var isSameFloat32Array = require( '@stdlib/assert/is-same-float32array' ); +var Float32Array = require( '@stdlib/array/float32' ); +var BooleanArray = require( '@stdlib/array/bool' ); +var ndarray = require( '@stdlib/ndarray/base/ctor' ); +var swhere = require( './../lib/main.js' ); + + +// FUNCTIONS // + +/** +* Returns a one-dimensional single-precision floating-point ndarray. +* +* @private +* @param {Float32Array} buffer - underlying data buffer +* @param {NonNegativeInteger} length - number of indexed elements +* @param {integer} stride - stride length +* @param {NonNegativeInteger} offset - index offset +* @returns {ndarray} one-dimensional ndarray +*/ +function vector( buffer, length, stride, offset ) { + return new ndarray( 'float32', buffer, [ length ], [ stride ], offset, 'row-major' ); +} + +/** +* Returns a one-dimensional boolean ndarray. +* +* @private +* @param {BooleanArray} buffer - underlying data buffer +* @param {NonNegativeInteger} length - number of indexed elements +* @param {integer} stride - stride length +* @param {NonNegativeInteger} offset - index offset +* @returns {ndarray} one-dimensional ndarray +*/ +function bvector( buffer, length, stride, offset ) { + return new ndarray( 'bool', buffer, [ length ], [ stride ], offset, 'row-major' ); +} + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof swhere, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 1', function test( t ) { + t.strictEqual( swhere.length, 1, 'has expected arity' ); + t.end(); +}); + +tape( 'the function selects elements from `x` or `y` based on a condition', function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray( [ true, false, true, false, true ] ); + xbuf = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); + ybuf = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); + obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); + c = bvector( cbuf, 5, 1, 0 ); + x = vector( xbuf, 5, 1, 0 ); + y = vector( ybuf, 5, 1, 0 ); + out = vector( obuf, 5, 1, 0 ); + expected = new Float32Array([ + 1.0, // x[0] + 7.0, // y[1] + 3.0, // x[2] + 9.0, // y[3] + 5.0 // x[4] + ]); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function selects elements from `x` or `y` based on a condition (all true)', function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray( [ true, true, true, true, true ] ); + xbuf = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); + ybuf = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); + obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); + c = bvector( cbuf, 5, 1, 0 ); + x = vector( xbuf, 5, 1, 0 ); + y = vector( ybuf, 5, 1, 0 ); + out = vector( obuf, 5, 1, 0 ); + expected = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function selects elements from `x` or `y` based on a condition (all false)', function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray( [ false, false, false, false, false ] ); + xbuf = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); + ybuf = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); + obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); + c = bvector( cbuf, 5, 1, 0 ); + x = vector( xbuf, 5, 1, 0 ); + y = vector( ybuf, 5, 1, 0 ); + out = vector( obuf, 5, 1, 0 ); + expected = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports ndarrays having non-unit strides', function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray([ + true, // 0 + false, + false, // 1 + true, + true, // 2 + false, + false, // 3 + true + ]); + xbuf = new Float32Array([ + 1.0, // 0 + -2.0, + 3.0, // 1 + -4.0, + 5.0, // 2 + -6.0, + 7.0, // 3 + -8.0 + ]); + ybuf = new Float32Array([ + 11.0, // 0 + -12.0, + 13.0, // 1 + -14.0, + 15.0, // 2 + -16.0, + 17.0, // 3 + -18.0 + ]); + obuf = new Float32Array( [ 0.0, 99.0, 0.0, 99.0, 0.0, 99.0, 0.0, 99.0 ] ); + c = bvector( cbuf, 4, 2, 0 ); + x = vector( xbuf, 4, 2, 0 ); + y = vector( ybuf, 4, 2, 0 ); + out = vector( obuf, 4, 2, 0 ); + expected = new Float32Array([ + 1.0, // x[0] + 99.0, + 13.0, // y[2] + 99.0, + 5.0, // x[4] + 99.0, + 17.0, // y[6] + 99.0 + ]); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports ndarrays having negative strides', function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray([ + true, // 4 + false, // 3 + true, // 2 + false, // 1 + true // 0 + ]); + xbuf = new Float32Array([ + 1.0, // 4 + 2.0, // 3 + 3.0, // 2 + 4.0, // 1 + 5.0 // 0 + ]); + ybuf = new Float32Array([ + 6.0, // 4 + 7.0, // 3 + 8.0, // 2 + 9.0, // 1 + 10.0 // 0 + ]); + obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); + c = bvector( cbuf, 5, -1, 4 ); + x = vector( xbuf, 5, -1, 4 ); + y = vector( ybuf, 5, -1, 4 ); + out = vector( obuf, 5, -1, 4 ); + expected = new Float32Array([ + 1.0, // x[0] + 7.0, // y[1] + 3.0, // x[2] + 9.0, // y[3] + 5.0 // x[4] + ]); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports ndarrays having non-zero offsets', function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray([ + false, + false, + true, // 0 + false, // 1 + true, // 2 + false + ]); + xbuf = new Float32Array([ + -1.0, + -2.0, + 3.0, // 0 + 4.0, // 1 + 5.0, // 2 + -6.0 + ]); + ybuf = new Float32Array([ + -11.0, + -12.0, + 13.0, // 0 + 14.0, // 1 + 15.0, // 2 + -16.0 + ]); + obuf = new Float32Array( [ 99.0, 99.0, 0.0, 0.0, 0.0, 99.0 ] ); + c = bvector( cbuf, 3, 1, 2 ); + x = vector( xbuf, 3, 1, 2 ); + y = vector( ybuf, 3, 1, 2 ); + out = vector( obuf, 3, 1, 2 ); + expected = new Float32Array([ + 99.0, + 99.0, + 3.0, // x[2] + 14.0, // y[3] + 5.0, // x[4] + 99.0 + ]); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports ndarrays having different strides and offsets', function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray( [ false, true, false, true, false, false ] ); + xbuf = new Float32Array( [ 1.0, 100.0, 2.0, 100.0, 3.0, 100.0, 4.0 ] ); + ybuf = new Float32Array( [ 40.0, 30.0, 20.0, 10.0 ] ); + obuf = new Float32Array( 12 ); + c = bvector( cbuf, 4, -1, 4 ); + x = vector( xbuf, 4, 2, 0 ); + y = vector( ybuf, 4, -1, 3 ); + out = vector( obuf, 4, 3, 1 ); + expected = new Float32Array([ + 0.0, + 10.0, // false => y[3] + 0.0, + 0.0, + 2.0, // true => x[2] + 0.0, + 0.0, + 30.0, // false => y[1] + 0.0, + 0.0, + 4.0, // true => x[6] + 0.0 + ]); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function returns the output ndarray unchanged when the input ndarrays are empty', function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray( [] ); + xbuf = new Float32Array( [] ); + ybuf = new Float32Array( [] ); + obuf = new Float32Array( [] ); + c = bvector( cbuf, 0, 1, 0 ); + x = vector( xbuf, 0, 1, 0 ); + y = vector( ybuf, 0, 1, 0 ); + out = vector( obuf, 0, 1, 0 ); + expected = new Float32Array( [] ); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.native.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.native.js new file mode 100644 index 000000000000..cc236331c3ef --- /dev/null +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.native.js @@ -0,0 +1,444 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var isSameFloat32Array = require( '@stdlib/assert/is-same-float32array' ); +var Float32Array = require( '@stdlib/array/float32' ); +var Uint8Array = require( '@stdlib/array/uint8' ); +var BooleanArray = require( '@stdlib/array/bool' ); +var ndarray = require( '@stdlib/ndarray/base/ctor' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var swhere = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( swhere instanceof Error ) +}; + + +// FUNCTIONS // + +/** +* Returns a one-dimensional single-precision floating-point ndarray. +* +* @private +* @param {Float32Array} buffer - underlying data buffer +* @param {NonNegativeInteger} length - number of indexed elements +* @param {integer} stride - stride length +* @param {NonNegativeInteger} offset - index offset +* @returns {ndarray} one-dimensional ndarray +*/ +function vector( buffer, length, stride, offset ) { + return new ndarray( 'float32', buffer, [ length ], [ stride ], offset, 'row-major' ); +} + +/** +* Returns a one-dimensional boolean ndarray. +* +* @private +* @param {BooleanArray} buffer - underlying data buffer +* @param {NonNegativeInteger} length - number of indexed elements +* @param {integer} stride - stride length +* @param {NonNegativeInteger} offset - index offset +* @returns {ndarray} one-dimensional ndarray +*/ +function bvector( buffer, length, stride, offset ) { + return new ndarray( 'bool', buffer, [ length ], [ stride ], offset, 'row-major' ); +} + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof swhere, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 1', opts, function test( t ) { + t.strictEqual( swhere.length, 1, 'has expected arity' ); + t.end(); +}); + +tape( 'the function selects elements from `x` or `y` based on a condition', opts, function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray( [ true, false, true, false, true ] ); + xbuf = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); + ybuf = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); + obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); + c = bvector( cbuf, 5, 1, 0 ); + x = vector( xbuf, 5, 1, 0 ); + y = vector( ybuf, 5, 1, 0 ); + out = vector( obuf, 5, 1, 0 ); + expected = new Float32Array([ + 1.0, // x[0] + 7.0, // y[1] + 3.0, // x[2] + 9.0, // y[3] + 5.0 // x[4] + ]); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function selects elements from `x` or `y` based on a condition (all true)', opts, function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray( [ true, true, true, true, true ] ); + xbuf = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); + ybuf = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); + obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); + c = bvector( cbuf, 5, 1, 0 ); + x = vector( xbuf, 5, 1, 0 ); + y = vector( ybuf, 5, 1, 0 ); + out = vector( obuf, 5, 1, 0 ); + expected = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function selects elements from `x` or `y` based on a condition (all false)', opts, function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray( [ false, false, false, false, false ] ); + xbuf = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); + ybuf = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); + obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); + c = bvector( cbuf, 5, 1, 0 ); + x = vector( xbuf, 5, 1, 0 ); + y = vector( ybuf, 5, 1, 0 ); + out = vector( obuf, 5, 1, 0 ); + expected = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports ndarrays having non-unit strides', opts, function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray([ + true, // 0 + false, + false, // 1 + true, + true, // 2 + false, + false, // 3 + true + ]); + xbuf = new Float32Array([ + 1.0, // 0 + -2.0, + 3.0, // 1 + -4.0, + 5.0, // 2 + -6.0, + 7.0, // 3 + -8.0 + ]); + ybuf = new Float32Array([ + 11.0, // 0 + -12.0, + 13.0, // 1 + -14.0, + 15.0, // 2 + -16.0, + 17.0, // 3 + -18.0 + ]); + obuf = new Float32Array( [ 0.0, 99.0, 0.0, 99.0, 0.0, 99.0, 0.0, 99.0 ] ); + c = bvector( cbuf, 4, 2, 0 ); + x = vector( xbuf, 4, 2, 0 ); + y = vector( ybuf, 4, 2, 0 ); + out = vector( obuf, 4, 2, 0 ); + expected = new Float32Array([ + 1.0, // x[0] + 99.0, + 13.0, // y[2] + 99.0, + 5.0, // x[4] + 99.0, + 17.0, // y[6] + 99.0 + ]); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports ndarrays having negative strides', opts, function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray([ + true, // 4 + false, // 3 + true, // 2 + false, // 1 + true // 0 + ]); + xbuf = new Float32Array([ + 1.0, // 4 + 2.0, // 3 + 3.0, // 2 + 4.0, // 1 + 5.0 // 0 + ]); + ybuf = new Float32Array([ + 6.0, // 4 + 7.0, // 3 + 8.0, // 2 + 9.0, // 1 + 10.0 // 0 + ]); + obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); + c = bvector( cbuf, 5, -1, 4 ); + x = vector( xbuf, 5, -1, 4 ); + y = vector( ybuf, 5, -1, 4 ); + out = vector( obuf, 5, -1, 4 ); + expected = new Float32Array([ + 1.0, // x[0] + 7.0, // y[1] + 3.0, // x[2] + 9.0, // y[3] + 5.0 // x[4] + ]); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports ndarrays having non-zero offsets', opts, function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray([ + false, + false, + true, // 0 + false, // 1 + true, // 2 + false + ]); + xbuf = new Float32Array([ + -1.0, + -2.0, + 3.0, // 0 + 4.0, // 1 + 5.0, // 2 + -6.0 + ]); + ybuf = new Float32Array([ + -11.0, + -12.0, + 13.0, // 0 + 14.0, // 1 + 15.0, // 2 + -16.0 + ]); + obuf = new Float32Array( [ 99.0, 99.0, 0.0, 0.0, 0.0, 99.0 ] ); + c = bvector( cbuf, 3, 1, 2 ); + x = vector( xbuf, 3, 1, 2 ); + y = vector( ybuf, 3, 1, 2 ); + out = vector( obuf, 3, 1, 2 ); + expected = new Float32Array([ + 99.0, + 99.0, + 3.0, // x[2] + 14.0, // y[3] + 5.0, // x[4] + 99.0 + ]); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports ndarrays having different strides and offsets', opts, function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray( [ false, true, false, true, false, false ] ); + xbuf = new Float32Array( [ 1.0, 100.0, 2.0, 100.0, 3.0, 100.0, 4.0 ] ); + ybuf = new Float32Array( [ 40.0, 30.0, 20.0, 10.0 ] ); + obuf = new Float32Array( 12 ); + c = bvector( cbuf, 4, -1, 4 ); + x = vector( xbuf, 4, 2, 0 ); + y = vector( ybuf, 4, -1, 3 ); + out = vector( obuf, 4, 3, 1 ); + expected = new Float32Array([ + 0.0, + 10.0, // false => y[3] + 0.0, + 0.0, + 2.0, // true => x[2] + 0.0, + 0.0, + 30.0, // false => y[1] + 0.0, + 0.0, + 4.0, // true => x[6] + 0.0 + ]); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports a boolean buffer with a non-zero byte offset', opts, function test( t ) { + var bytes; + var cbuf; + var obuf; + var out; + var c; + var x; + var y; + + bytes = new Uint8Array( [ 0, 1, 0, 1, 0 ] ); + cbuf = new BooleanArray( bytes.buffer, 1, 3 ); + obuf = new Float32Array( 3 ); + c = bvector( cbuf, 3, 1, 0 ); + x = vector( new Float32Array( [ 1, 2, 3 ] ), 3, 1, 0 ); + y = vector( new Float32Array( [ 4, 5, 6 ] ), 3, 1, 0 ); + out = vector( obuf, 3, 1, 0 ); + + t.strictEqual( swhere( [ c, x, y, out ] ), out, 'returns the output ndarray' ); + t.strictEqual( isSameFloat32Array( obuf, new Float32Array( [ 1, 5, 3 ] ) ), true, 'selects the expected values' ); + t.end(); +}); + +tape( 'the function returns the output ndarray unchanged when the input ndarrays are empty', opts, function test( t ) { + var expected; + var actual; + var cbuf; + var obuf; + var xbuf; + var ybuf; + var out; + var c; + var x; + var y; + + cbuf = new BooleanArray( [] ); + xbuf = new Float32Array( [] ); + ybuf = new Float32Array( [] ); + obuf = new Float32Array( [] ); + c = bvector( cbuf, 0, 1, 0 ); + x = vector( xbuf, 0, 1, 0 ); + y = vector( ybuf, 0, 1, 0 ); + out = vector( obuf, 0, 1, 0 ); + expected = new Float32Array( [] ); + + actual = swhere( [ c, x, y, out ] ); + t.strictEqual( actual, out, 'returns expected value' ); + t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); + + t.end(); +}); From d43f4a1f3507236a49c516e0138ecc4abf78cf4f Mon Sep 17 00:00:00 2001 From: yb175 Date: Sat, 10 Oct 2026 19:22:04 +0000 Subject: [PATCH 2/4] fix: address review feedback --- .../blas/ext/base/ndarray/swhere/README.md | 120 +++++- .../swhere/benchmark/c/benchmark.length.c | 163 +++++--- .../base/ndarray/swhere/examples/c/example.c | 74 ++-- .../stdlib/blas/ext/base/ndarray/swhere.h | 2 +- .../ext/base/ndarray/swhere/lib/native.js | 21 + .../blas/ext/base/ndarray/swhere/src/main.c | 44 +- .../blas/ext/base/ndarray/swhere/test/test.js | 390 +----------------- .../ext/base/ndarray/swhere/test/test.main.js | 10 +- .../base/ndarray/swhere/test/test.native.js | 10 +- 9 files changed, 342 insertions(+), 492 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md index c5ff24332374..4637f32834e3 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md @@ -111,6 +111,10 @@ console.log( ndarray2array( out ) ); + + +* * * +
## C APIs @@ -131,17 +135,51 @@ console.log( ndarray2array( out ) ); #### stdlib_blas_ext_swhere( arrays ) -Takes elements from one of two one-dimensional single-precision floating-point ndarrays depending on a condition and assigns them to an output ndarray. +Takes elements from one of two one-dimensional single-precision floating-point ndarrays depending on a condition. ```c +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/index_modes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/base/bytes_per_element.h" +#include +#include + +// Create ndarrays: +const bool dataC[] = { true, false, true, false, true }; +const float dataX[] = { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f }; +const float dataY[] = { 6.0f, 7.0f, 8.0f, 9.0f, 10.0f }; +float dataOut[] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f }; +int64_t shape[] = { 5 }; +int64_t cstrides[] = { STDLIB_NDARRAY_BOOL_BYTES_PER_ELEMENT }; +int64_t strides[] = { STDLIB_NDARRAY_FLOAT32_BYTES_PER_ELEMENT }; +int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; + +struct ndarray *condition = stdlib_ndarray_allocate( STDLIB_NDARRAY_BOOL, (uint8_t *)dataC, 1, shape, cstrides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); +struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataX, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); +struct ndarray *y = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataY, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); +struct ndarray *out = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataOut, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); + +// Perform computation: const struct ndarray *arrays[] = { condition, x, y, out }; stdlib_blas_ext_swhere( arrays ); -// The output ndarray `out` now contains the selected values. + +// Free allocated memory: +stdlib_ndarray_free( condition ); +stdlib_ndarray_free( x ); +stdlib_ndarray_free( y ); +stdlib_ndarray_free( out ); ``` -The function accepts the following argument: +The function accepts the following arguments: -- **arrays**: `[in] struct ndarray**` list containing a one-dimensional boolean condition ndarray, two one-dimensional single-precision floating-point input ndarrays, and a one-dimensional single-precision floating-point output ndarray. +- **arrays**: `[in] struct ndarray**` list containing the following ndarrays: + + - `[in] struct ndarray*` a one-dimensional condition ndarray. + - `[in] struct ndarray*` first one-dimensional input ndarray. + - `[in] struct ndarray*` second one-dimensional input ndarray. + - `[out] struct ndarray*` a one-dimensional output ndarray. ```c void stdlib_blas_ext_swhere( const struct ndarray *arrays[] ); @@ -161,7 +199,79 @@ void stdlib_blas_ext_swhere( const struct ndarray *arrays[] ); ### Examples -See the [C example](./examples/c/example.c) for a complete program constructing the ndarrays and calling this function. +```c +#include "stdlib/blas/ext/base/ndarray/swhere.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/index_modes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/base/bytes_per_element.h" +#include +#include +#include +#include + +int main( void ) { + // Create data buffers: + const bool dataC[] = { true, false, true, false }; + const float dataX[] = { 1.0f, 2.0f, 3.0f, 4.0f }; + const float dataY[] = { 5.0f, 6.0f, 7.0f, 8.0f }; + float dataOut[] = { 0.0f, 0.0f, 0.0f, 0.0f }; + + // Specify the number of array dimensions: + const int64_t ndims = 1; + + // Specify the array shape: + int64_t shape[] = { 4 }; + + // Specify the array strides: + int64_t cstrides[] = { STDLIB_NDARRAY_BOOL_BYTES_PER_ELEMENT }; + int64_t strides[] = { STDLIB_NDARRAY_FLOAT32_BYTES_PER_ELEMENT }; + + // Specify the byte offset: + const int64_t offset = 0; + + // Specify the array order: + const enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR; + + // Specify the index mode: + const enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR; + + // Specify the subscript index modes: + int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; + const int64_t nsubmodes = 1; + + // Create ndarrays: + struct ndarray *condition = stdlib_ndarray_allocate( STDLIB_NDARRAY_BOOL, (uint8_t *)dataC, ndims, shape, cstrides, offset, order, imode, nsubmodes, submodes ); + + struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataX, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + + struct ndarray *y = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataY, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + + struct ndarray *out = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataOut, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + if ( condition == NULL || x == NULL || y == NULL || out == NULL ) { + fprintf( stderr, "Error allocating memory.\n" ); + exit( 1 ); + } + + // Define a list of ndarrays: + const struct ndarray *arrays[] = { condition, x, y, out }; + + // Perform computation: + stdlib_blas_ext_swhere( arrays ); + + // Print the result: + for ( int i = 0; i < 4; i++ ) { + printf( "out[ %i ] = %f\n", i, dataOut[ i ] ); + } + + // Free allocated memory: + stdlib_ndarray_free( condition ); + stdlib_ndarray_free( x ); + stdlib_ndarray_free( y ); + stdlib_ndarray_free( out ); +} +```
diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/benchmark.length.c index 32779de575ca..3b3fb9e7c8a4 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/benchmark.length.c +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/benchmark.length.c @@ -22,10 +22,11 @@ #include "stdlib/ndarray/index_modes.h" #include "stdlib/ndarray/orders.h" #include "stdlib/ndarray/base/bytes_per_element.h" -#include #include +#include #include #include +#include #include #include @@ -36,7 +37,44 @@ #define MAX 6 /** -* Returns a clock time in seconds. +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmark results. +* +* @param iterations number of iterations +* @param elapsed elapsed time in seconds +*/ +static void print_results( int iterations, double elapsed ) { + double rate = (double)iterations / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", iterations ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. * * @return clock time */ @@ -46,86 +84,115 @@ static double tic( void ) { return (double)now.tv_sec + (double)now.tv_usec/1.0e6; } +/** +* Generates a random number on the interval [min,max). +* +* @param min minimum value (inclusive) +* @param max maximum value (exclusive) +* @return random number +*/ +static float random_uniform( const float min, const float max ) { + float v = (float)rand() / ( (float)RAND_MAX + 1.0f ); + return min + ( v*(max-min) ); +} + /** * Runs a benchmark. * -* @param iterations number of iterations -* @param len array length -* @return elapsed time in seconds, or -1.0 if allocation fails +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds */ static double benchmark( int iterations, int len ) { + enum STDLIB_NDARRAY_INDEX_MODE imode; const struct ndarray *arrays[ 4 ]; - int64_t cstrides[] = { STDLIB_NDARRAY_BOOL_BYTES_PER_ELEMENT }; - int64_t strides[] = { STDLIB_NDARRAY_FLOAT32_BYTES_PER_ELEMENT }; - int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; - int64_t shape[] = { len }; - struct ndarray *c = NULL; - struct ndarray *x = NULL; - struct ndarray *y = NULL; - struct ndarray *out = NULL; - bool *condition; + enum STDLIB_NDARRAY_ORDER order; + int64_t cstrides[ 1 ]; + int8_t submodes[ 1 ]; + int64_t strides[ 1 ]; + int64_t shape[ 1 ]; + int64_t nsubmodes; + struct ndarray *c; + struct ndarray *x; + struct ndarray *y; + struct ndarray *out; + bool *dataC; float *dataX; float *dataY; float *dataOut; + int64_t offset; double elapsed; - double start; + int64_t ndims; + double t; int i; - condition = (bool *)malloc( len * sizeof( bool ) ); + ndims = 1; + shape[ 0 ] = len; + cstrides[ 0 ] = STDLIB_NDARRAY_BOOL_BYTES_PER_ELEMENT; + strides[ 0 ] = STDLIB_NDARRAY_FLOAT32_BYTES_PER_ELEMENT; + offset = 0; + order = STDLIB_NDARRAY_ROW_MAJOR; + imode = STDLIB_NDARRAY_INDEX_ERROR; + submodes[ 0 ] = imode; + nsubmodes = 1; + + dataC = (bool *)malloc( len * sizeof( bool ) ); dataX = (float *)malloc( len * sizeof( float ) ); dataY = (float *)malloc( len * sizeof( float ) ); dataOut = (float *)malloc( len * sizeof( float ) ); - if ( condition == NULL || dataX == NULL || dataY == NULL || dataOut == NULL ) { - elapsed = -1.0; - goto cleanup; - } for ( i = 0; i < len; i++ ) { - condition[ i ] = (bool)( rand() & 1 ); - dataX[ i ] = (float)rand() / RAND_MAX; - dataY[ i ] = (float)rand() / RAND_MAX; + dataC[ i ] = (bool)( rand() & 1 ); + dataX[ i ] = random_uniform( -100.0f, 100.0f ); + dataY[ i ] = random_uniform( -100.0f, 100.0f ); dataOut[ i ] = 0.0f; } - c = stdlib_ndarray_allocate( STDLIB_NDARRAY_BOOL, (uint8_t *)condition, 1, shape, cstrides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast - x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataX, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast - y = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataY, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast - out = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataOut, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast - if ( c == NULL || x == NULL || y == NULL || out == NULL ) { - elapsed = -1.0; - goto cleanup; - } + + // cppcheck-suppress invalidPointerCast + c = stdlib_ndarray_allocate( STDLIB_NDARRAY_BOOL, (uint8_t *)dataC, ndims, shape, cstrides, offset, order, imode, nsubmodes, submodes ); + + // cppcheck-suppress invalidPointerCast + x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataX, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + + // cppcheck-suppress invalidPointerCast + y = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataY, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + + // cppcheck-suppress invalidPointerCast + out = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataOut, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + arrays[ 0 ] = c; arrays[ 1 ] = x; arrays[ 2 ] = y; arrays[ 3 ] = out; - start = tic(); + t = tic(); for ( i = 0; i < iterations; i++ ) { stdlib_blas_ext_swhere( arrays ); if ( dataOut[ 0 ] != dataOut[ 0 ] ) { + printf( "should not return NaN\n" ); break; } } - elapsed = tic() - start; - if ( i != iterations ) { - elapsed = -1.0; + elapsed = tic() - t; + if ( dataOut[ 0 ] != dataOut[ 0 ] ) { + printf( "should not return NaN\n" ); } - -cleanup: stdlib_ndarray_free( c ); stdlib_ndarray_free( x ); stdlib_ndarray_free( y ); stdlib_ndarray_free( out ); - free( condition ); + free( dataC ); free( dataX ); free( dataY ); free( dataOut ); + arrays[ 0 ] = NULL; + arrays[ 1 ] = NULL; + arrays[ 2 ] = NULL; + arrays[ 3 ] = NULL; return elapsed; } /** * Main execution sequence. -* -* @return exit status */ int main( void ) { double elapsed; @@ -136,24 +203,18 @@ int main( void ) { int j; srand( time( NULL ) ); - printf( "TAP version 13\n" ); + print_version(); count = 0; - len = 1; for ( i = MIN; i <= MAX; i++ ) { - len *= 10; - iter = ITERATIONS / ( len / 10 ); + len = pow( 10, i ); + iter = ITERATIONS / pow( 10, i-1 ); for ( j = 0; j < REPEATS; j++ ) { count += 1; printf( "# c::%s:len=%d\n", NAME, len ); elapsed = benchmark( iter, len ); - if ( elapsed < 0.0 ) { - printf( "not ok %d benchmark failed\n", count ); - return 1; - } - printf( " ---\n iterations: %d\n elapsed: %0.9f\n rate: %0.9f\n ...\n", iter, elapsed, (double)iter/elapsed ); + print_results( iter, elapsed ); printf( "ok %d benchmark finished\n", count ); } } - printf( "1..%d\n# total %d\n# pass %d\n#\n# ok\n", count, count, count ); - return 0; + print_summary( count, count ); } diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/examples/c/example.c b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/examples/c/example.c index bca8696dc8ce..707c0f00136d 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/examples/c/example.c +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/examples/c/example.c @@ -22,46 +22,72 @@ #include "stdlib/ndarray/index_modes.h" #include "stdlib/ndarray/orders.h" #include "stdlib/ndarray/base/bytes_per_element.h" -#include #include +#include #include #include int main( void ) { - bool condition[] = { true, false, true, false }; - float dataX[] = { 1.0f, 2.0f, 3.0f, 4.0f }; - float dataY[] = { 5.0f, 6.0f, 7.0f, 8.0f }; + // Create data buffers: + const bool dataC[] = { true, false, true, false }; + const float dataX[] = { 1.0f, 2.0f, 3.0f, 4.0f }; + const float dataY[] = { 5.0f, 6.0f, 7.0f, 8.0f }; float dataOut[] = { 0.0f, 0.0f, 0.0f, 0.0f }; + + // Specify the number of array dimensions: + const int64_t ndims = 1; + + // Specify the array shape: int64_t shape[] = { 4 }; + + // Specify the array strides: int64_t cstrides[] = { STDLIB_NDARRAY_BOOL_BYTES_PER_ELEMENT }; int64_t strides[] = { STDLIB_NDARRAY_FLOAT32_BYTES_PER_ELEMENT }; + + // Specify the byte offset: + const int64_t offset = 0; + + // Specify the array order: + const enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR; + + // Specify the index mode: + const enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR; + + // Specify the subscript index modes: int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; - struct ndarray *c; - struct ndarray *x; - struct ndarray *y; - struct ndarray *out; - int i; - - c = stdlib_ndarray_allocate( STDLIB_NDARRAY_BOOL, (uint8_t *)condition, 1, shape, cstrides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast - x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataX, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast - y = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataY, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast - out = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataOut, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); // cppcheck-suppress invalidPointerCast - if ( c == NULL || x == NULL || y == NULL || out == NULL ) { + const int64_t nsubmodes = 1; + + // Create ndarrays: + // cppcheck-suppress invalidPointerCast + struct ndarray *condition = stdlib_ndarray_allocate( STDLIB_NDARRAY_BOOL, (uint8_t *)dataC, ndims, shape, cstrides, offset, order, imode, nsubmodes, submodes ); + + // cppcheck-suppress invalidPointerCast + struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataX, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + + // cppcheck-suppress invalidPointerCast + struct ndarray *y = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataY, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + + // cppcheck-suppress invalidPointerCast + struct ndarray *out = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataOut, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + if ( condition == NULL || x == NULL || y == NULL || out == NULL ) { fprintf( stderr, "Error allocating memory.\n" ); - stdlib_ndarray_free( c ); - stdlib_ndarray_free( x ); - stdlib_ndarray_free( y ); - stdlib_ndarray_free( out ); - return 1; + exit( 1 ); } - const struct ndarray *arrays[] = { c, x, y, out }; + + // Define a list of ndarrays: + const struct ndarray *arrays[] = { condition, x, y, out }; + + // Perform computation: stdlib_blas_ext_swhere( arrays ); - for ( i = 0; i < 4; i++ ) { + + // Print the result: + for ( int i = 0; i < 4; i++ ) { printf( "out[ %i ] = %f\n", i, dataOut[ i ] ); } - stdlib_ndarray_free( c ); + + // Free allocated memory: + stdlib_ndarray_free( condition ); stdlib_ndarray_free( x ); stdlib_ndarray_free( y ); stdlib_ndarray_free( out ); - return 0; } diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/include/stdlib/blas/ext/base/ndarray/swhere.h b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/include/stdlib/blas/ext/base/ndarray/swhere.h index b5691afcc344..8065332b1fdb 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/include/stdlib/blas/ext/base/ndarray/swhere.h +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/include/stdlib/blas/ext/base/ndarray/swhere.h @@ -29,7 +29,7 @@ extern "C" { #endif /** -* Takes elements from one of two one-dimensional single-precision floating-point ndarrays depending on a condition and assigns them to an output ndarray. +* Takes elements from one of two one-dimensional single-precision floating-point ndarrays depending on a condition. */ void stdlib_blas_ext_swhere( const struct ndarray *arrays[] ); diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/lib/native.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/lib/native.js index e2aaa3e2f6b1..6035c7a6cf32 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/lib/native.js +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/lib/native.js @@ -31,9 +31,30 @@ var addon = require( './../src/addon.node' ); /** * Takes elements from one of two one-dimensional single-precision floating-point ndarrays depending on a condition. * +* ## Notes +* +* - The function expects the following ndarrays: +* +* - a one-dimensional condition ndarray. +* - first one-dimensional input ndarray. +* - second one-dimensional input ndarray. +* - a one-dimensional output ndarray. +* * @private * @param {ArrayLikeObject} arrays - array-like object containing ndarrays * @returns {ndarray} output ndarray +* +* @example +* var BooleanVector = require( '@stdlib/ndarray/vector/bool' ); +* var Float32Vector = require( '@stdlib/ndarray/vector/float32' ); +* +* var condition = new BooleanVector( [ true, false, true, false, true ] ); +* var x = new Float32Vector( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); +* var y = new Float32Vector( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); +* var out = new Float32Vector( 5 ); +* +* var v = swhere( [ condition, x, y, out ] ); +* // returns [ 1.0, 7.0, 3.0, 9.0, 5.0 ] */ function swhere( arrays ) { var condition = arrays[ 0 ]; diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/main.c b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/main.c index c4773e49efe7..d74289c7c2d2 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/main.c +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/src/main.c @@ -22,9 +22,18 @@ #include "stdlib/blas/base/shared.h" /** -* Takes elements from one of two one-dimensional single-precision floating-point ndarrays depending on a condition and assigns them to an output ndarray. +* Takes elements from one of two one-dimensional single-precision floating-point ndarrays depending on a condition. * -* @param arrays list containing a condition, two input ndarrays, and an output ndarray +* ## Notes +* +* - The function expects the following ndarrays: +* +* - a one-dimensional condition ndarray. +* - first one-dimensional input ndarray. +* - second one-dimensional input ndarray. +* - a one-dimensional output ndarray. +* +* @param arrays list containing ndarrays */ void stdlib_blas_ext_swhere( const struct ndarray *arrays[] ) { const struct ndarray *condition = arrays[ 0 ]; @@ -32,19 +41,20 @@ void stdlib_blas_ext_swhere( const struct ndarray *arrays[] ) { const struct ndarray *y = arrays[ 2 ]; const struct ndarray *out = arrays[ 3 ]; - API_SUFFIX(stdlib_strided_swhere_ndarray)( - stdlib_ndarray_dimension( condition, 0 ), - (const bool *)stdlib_ndarray_data( condition ), - stdlib_ndarray_stride_elements( condition, 0 ), - stdlib_ndarray_offset_elements( condition ), - (const float *)stdlib_ndarray_data( x ), - stdlib_ndarray_stride_elements( x, 0 ), - stdlib_ndarray_offset_elements( x ), - (const float *)stdlib_ndarray_data( y ), - stdlib_ndarray_stride_elements( y, 0 ), - stdlib_ndarray_offset_elements( y ), - (float *)stdlib_ndarray_data( out ), - stdlib_ndarray_stride_elements( out, 0 ), - stdlib_ndarray_offset_elements( out ) - ); + const CBLAS_INT N = stdlib_ndarray_dimension( condition, 0 ); + + const CBLAS_INT strideC = stdlib_ndarray_stride_elements( condition, 0 ); + const CBLAS_INT offsetC = stdlib_ndarray_offset_elements( condition ); + const CBLAS_INT strideX = stdlib_ndarray_stride_elements( x, 0 ); + const CBLAS_INT offsetX = stdlib_ndarray_offset_elements( x ); + const CBLAS_INT strideY = stdlib_ndarray_stride_elements( y, 0 ); + const CBLAS_INT offsetY = stdlib_ndarray_offset_elements( y ); + const CBLAS_INT strideOut = stdlib_ndarray_stride_elements( out, 0 ); + const CBLAS_INT offsetOut = stdlib_ndarray_offset_elements( out ); + + const bool *dataC = (const bool *)stdlib_ndarray_data( condition ); + const float *dataX = (const float *)stdlib_ndarray_data( x ); + const float *dataY = (const float *)stdlib_ndarray_data( y ); + float *dataOut = (float *)stdlib_ndarray_data( out ); + API_SUFFIX(stdlib_strided_swhere_ndarray)( N, dataC, strideC, offsetC, dataX, strideX, offsetX, dataY, strideY, offsetY, dataOut, strideOut, offsetOut ); } diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.js index c447a875716d..6eb3e52c5db0 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.js +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.js @@ -23,10 +23,6 @@ var tape = require( 'tape' ); var proxyquire = require( 'proxyquire' ); var IS_BROWSER = require( '@stdlib/assert/is-browser' ); -var isSameFloat32Array = require( '@stdlib/assert/is-same-float32array' ); -var Float32Array = require( '@stdlib/array/float32' ); -var BooleanArray = require( '@stdlib/array/bool' ); -var ndarray = require( '@stdlib/ndarray/base/ctor' ); var swhere = require( './../lib' ); @@ -37,37 +33,6 @@ var opts = { }; -// FUNCTIONS // - -/** -* Returns a one-dimensional single-precision floating-point ndarray. -* -* @private -* @param {Float32Array} buffer - underlying data buffer -* @param {NonNegativeInteger} length - number of indexed elements -* @param {integer} stride - stride length -* @param {NonNegativeInteger} offset - index offset -* @returns {ndarray} one-dimensional ndarray -*/ -function vector( buffer, length, stride, offset ) { - return new ndarray( 'float32', buffer, [ length ], [ stride ], offset, 'row-major' ); -} - -/** -* Returns a one-dimensional boolean ndarray. -* -* @private -* @param {BooleanArray} buffer - underlying data buffer -* @param {NonNegativeInteger} length - number of indexed elements -* @param {integer} stride - stride length -* @param {NonNegativeInteger} offset - index offset -* @returns {ndarray} one-dimensional ndarray -*/ -function bvector( buffer, length, stride, offset ) { - return new ndarray( 'bool', buffer, [ length ], [ stride ], offset, 'row-major' ); -} - - // TESTS // tape( 'main export is a function', function test( t ) { @@ -77,11 +42,11 @@ tape( 'main export is a function', function test( t ) { }); tape( 'if a native implementation is available, the main export is the native implementation', opts, function test( t ) { - var actual = proxyquire( './../lib', { + var swhere = proxyquire( './../lib', { '@stdlib/utils/try-require': tryRequire }); - t.strictEqual( actual, mock, 'returns expected value' ); + t.strictEqual( swhere, mock, 'returns expected value' ); t.end(); function tryRequire() { @@ -94,362 +59,19 @@ tape( 'if a native implementation is available, the main export is the native im }); tape( 'if a native implementation is not available, the main export is a JavaScript implementation', opts, function test( t ) { - var actual; + var swhere; var main; main = require( './../lib/main.js' ); - actual = proxyquire( './../lib', { + + swhere = proxyquire( './../lib', { '@stdlib/utils/try-require': tryRequire }); - t.strictEqual( actual, main, 'returns expected value' ); + t.strictEqual( swhere, main, 'returns expected value' ); t.end(); function tryRequire() { return new Error( 'Cannot find module' ); } }); - -tape( 'the function has an arity of 1', function test( t ) { - t.strictEqual( swhere.length, 1, 'has expected arity' ); - t.end(); -}); - -tape( 'the function selects elements from `x` or `y` based on a condition', function test( t ) { - var expected; - var actual; - var cbuf; - var obuf; - var xbuf; - var ybuf; - var out; - var c; - var x; - var y; - - cbuf = new BooleanArray( [ true, false, true, false, true ] ); - xbuf = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); - ybuf = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); - obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); - c = bvector( cbuf, 5, 1, 0 ); - x = vector( xbuf, 5, 1, 0 ); - y = vector( ybuf, 5, 1, 0 ); - out = vector( obuf, 5, 1, 0 ); - expected = new Float32Array([ - 1.0, // x[0] - 7.0, // y[1] - 3.0, // x[2] - 9.0, // y[3] - 5.0 // x[4] - ]); - - actual = swhere( [ c, x, y, out ] ); - t.strictEqual( actual, out, 'returns expected value' ); - t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'the function selects elements from `x` or `y` based on a condition (all true)', function test( t ) { - var expected; - var actual; - var cbuf; - var obuf; - var xbuf; - var ybuf; - var out; - var c; - var x; - var y; - - cbuf = new BooleanArray( [ true, true, true, true, true ] ); - xbuf = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); - ybuf = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); - obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); - c = bvector( cbuf, 5, 1, 0 ); - x = vector( xbuf, 5, 1, 0 ); - y = vector( ybuf, 5, 1, 0 ); - out = vector( obuf, 5, 1, 0 ); - expected = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); - - actual = swhere( [ c, x, y, out ] ); - t.strictEqual( actual, out, 'returns expected value' ); - t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'the function selects elements from `x` or `y` based on a condition (all false)', function test( t ) { - var expected; - var actual; - var cbuf; - var obuf; - var xbuf; - var ybuf; - var out; - var c; - var x; - var y; - - cbuf = new BooleanArray( [ false, false, false, false, false ] ); - xbuf = new Float32Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] ); - ybuf = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); - obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); - c = bvector( cbuf, 5, 1, 0 ); - x = vector( xbuf, 5, 1, 0 ); - y = vector( ybuf, 5, 1, 0 ); - out = vector( obuf, 5, 1, 0 ); - expected = new Float32Array( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] ); - - actual = swhere( [ c, x, y, out ] ); - t.strictEqual( actual, out, 'returns expected value' ); - t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'the function supports ndarrays having non-unit strides', function test( t ) { - var expected; - var actual; - var cbuf; - var obuf; - var xbuf; - var ybuf; - var out; - var c; - var x; - var y; - - cbuf = new BooleanArray([ - true, // 0 - false, - false, // 1 - true, - true, // 2 - false, - false, // 3 - true - ]); - xbuf = new Float32Array([ - 1.0, // 0 - -2.0, - 3.0, // 1 - -4.0, - 5.0, // 2 - -6.0, - 7.0, // 3 - -8.0 - ]); - ybuf = new Float32Array([ - 11.0, // 0 - -12.0, - 13.0, // 1 - -14.0, - 15.0, // 2 - -16.0, - 17.0, // 3 - -18.0 - ]); - obuf = new Float32Array( [ 0.0, 99.0, 0.0, 99.0, 0.0, 99.0, 0.0, 99.0 ] ); - c = bvector( cbuf, 4, 2, 0 ); - x = vector( xbuf, 4, 2, 0 ); - y = vector( ybuf, 4, 2, 0 ); - out = vector( obuf, 4, 2, 0 ); - expected = new Float32Array([ - 1.0, // x[0] - 99.0, - 13.0, // y[2] - 99.0, - 5.0, // x[4] - 99.0, - 17.0, // y[6] - 99.0 - ]); - - actual = swhere( [ c, x, y, out ] ); - t.strictEqual( actual, out, 'returns expected value' ); - t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'the function supports ndarrays having negative strides', function test( t ) { - var expected; - var actual; - var cbuf; - var obuf; - var xbuf; - var ybuf; - var out; - var c; - var x; - var y; - - cbuf = new BooleanArray([ - true, // 4 - false, // 3 - true, // 2 - false, // 1 - true // 0 - ]); - xbuf = new Float32Array([ - 1.0, // 4 - 2.0, // 3 - 3.0, // 2 - 4.0, // 1 - 5.0 // 0 - ]); - ybuf = new Float32Array([ - 6.0, // 4 - 7.0, // 3 - 8.0, // 2 - 9.0, // 1 - 10.0 // 0 - ]); - obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] ); - c = bvector( cbuf, 5, -1, 4 ); - x = vector( xbuf, 5, -1, 4 ); - y = vector( ybuf, 5, -1, 4 ); - out = vector( obuf, 5, -1, 4 ); - expected = new Float32Array([ - 1.0, // x[0] - 7.0, // y[1] - 3.0, // x[2] - 9.0, // y[3] - 5.0 // x[4] - ]); - - actual = swhere( [ c, x, y, out ] ); - t.strictEqual( actual, out, 'returns expected value' ); - t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'the function supports ndarrays having non-zero offsets', function test( t ) { - var expected; - var actual; - var cbuf; - var obuf; - var xbuf; - var ybuf; - var out; - var c; - var x; - var y; - - cbuf = new BooleanArray([ - false, - false, - true, // 0 - false, // 1 - true, // 2 - false - ]); - xbuf = new Float32Array([ - -1.0, - -2.0, - 3.0, // 0 - 4.0, // 1 - 5.0, // 2 - -6.0 - ]); - ybuf = new Float32Array([ - -11.0, - -12.0, - 13.0, // 0 - 14.0, // 1 - 15.0, // 2 - -16.0 - ]); - obuf = new Float32Array( [ 99.0, 99.0, 0.0, 0.0, 0.0, 99.0 ] ); - c = bvector( cbuf, 3, 1, 2 ); - x = vector( xbuf, 3, 1, 2 ); - y = vector( ybuf, 3, 1, 2 ); - out = vector( obuf, 3, 1, 2 ); - expected = new Float32Array([ - 99.0, - 99.0, - 3.0, // x[2] - 14.0, // y[3] - 5.0, // x[4] - 99.0 - ]); - - actual = swhere( [ c, x, y, out ] ); - t.strictEqual( actual, out, 'returns expected value' ); - t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'the function supports ndarrays having different strides and offsets', function test( t ) { - var expected; - var actual; - var cbuf; - var obuf; - var xbuf; - var ybuf; - var out; - var c; - var x; - var y; - - cbuf = new BooleanArray( [ false, true, false, true, false, false ] ); - xbuf = new Float32Array( [ 1.0, 100.0, 2.0, 100.0, 3.0, 100.0, 4.0 ] ); - ybuf = new Float32Array( [ 40.0, 30.0, 20.0, 10.0 ] ); - obuf = new Float32Array( 12 ); - c = bvector( cbuf, 4, -1, 4 ); - x = vector( xbuf, 4, 2, 0 ); - y = vector( ybuf, 4, -1, 3 ); - out = vector( obuf, 4, 3, 1 ); - expected = new Float32Array([ - 0.0, - 10.0, // false => y[3] - 0.0, - 0.0, - 2.0, // true => x[2] - 0.0, - 0.0, - 30.0, // false => y[1] - 0.0, - 0.0, - 4.0, // true => x[6] - 0.0 - ]); - - actual = swhere( [ c, x, y, out ] ); - t.strictEqual( actual, out, 'returns expected value' ); - t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'the function returns the output ndarray unchanged when the input ndarrays are empty', function test( t ) { - var expected; - var actual; - var cbuf; - var obuf; - var xbuf; - var ybuf; - var out; - var c; - var x; - var y; - - cbuf = new BooleanArray( [] ); - xbuf = new Float32Array( [] ); - ybuf = new Float32Array( [] ); - obuf = new Float32Array( [] ); - c = bvector( cbuf, 0, 1, 0 ); - x = vector( xbuf, 0, 1, 0 ); - y = vector( ybuf, 0, 1, 0 ); - out = vector( obuf, 0, 1, 0 ); - expected = new Float32Array( [] ); - - actual = swhere( [ c, x, y, out ] ); - t.strictEqual( actual, out, 'returns expected value' ); - t.strictEqual( isSameFloat32Array( obuf, expected ), true, 'returns expected value' ); - - t.end(); -}); diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.main.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.main.js index 24d964f10813..648d9620653c 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.main.js +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.main.js @@ -355,23 +355,23 @@ tape( 'the function supports ndarrays having different strides and offsets', fun cbuf = new BooleanArray( [ false, true, false, true, false, false ] ); xbuf = new Float32Array( [ 1.0, 100.0, 2.0, 100.0, 3.0, 100.0, 4.0 ] ); ybuf = new Float32Array( [ 40.0, 30.0, 20.0, 10.0 ] ); - obuf = new Float32Array( 12 ); + obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ] ); c = bvector( cbuf, 4, -1, 4 ); x = vector( xbuf, 4, 2, 0 ); y = vector( ybuf, 4, -1, 3 ); out = vector( obuf, 4, 3, 1 ); expected = new Float32Array([ 0.0, - 10.0, // false => y[3] + 10.0, // cbuf[4] = false => y[3] 0.0, 0.0, - 2.0, // true => x[2] + 2.0, // cbuf[3] = true => x[2] 0.0, 0.0, - 30.0, // false => y[1] + 30.0, // cbuf[2] = false => y[1] 0.0, 0.0, - 4.0, // true => x[6] + 4.0, // cbuf[1] = true => x[6] 0.0 ]); diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.native.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.native.js index cc236331c3ef..53212f0c50d6 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.native.js +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.native.js @@ -365,23 +365,23 @@ tape( 'the function supports ndarrays having different strides and offsets', opt cbuf = new BooleanArray( [ false, true, false, true, false, false ] ); xbuf = new Float32Array( [ 1.0, 100.0, 2.0, 100.0, 3.0, 100.0, 4.0 ] ); ybuf = new Float32Array( [ 40.0, 30.0, 20.0, 10.0 ] ); - obuf = new Float32Array( 12 ); + obuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ] ); c = bvector( cbuf, 4, -1, 4 ); x = vector( xbuf, 4, 2, 0 ); y = vector( ybuf, 4, -1, 3 ); out = vector( obuf, 4, 3, 1 ); expected = new Float32Array([ 0.0, - 10.0, // false => y[3] + 10.0, // cbuf[4] = false => y[3] 0.0, 0.0, - 2.0, // true => x[2] + 2.0, // cbuf[3] = true => x[2] 0.0, 0.0, - 30.0, // false => y[1] + 30.0, // cbuf[2] = false => y[1] 0.0, 0.0, - 4.0, // true => x[6] + 4.0, // cbuf[1] = true => x[6] 0.0 ]); From 519ec95b2e694841b2d9744aacdf051ad4b51397 Mon Sep 17 00:00:00 2001 From: yb175 Date: Sat, 10 Oct 2026 19:27:16 +0000 Subject: [PATCH 3/4] fix: use spaces in README C example --- .../blas/ext/base/ndarray/swhere/README.md | 86 +++++++++---------- 1 file changed, 43 insertions(+), 43 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md index 4637f32834e3..04162c9a5eef 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md @@ -212,64 +212,64 @@ void stdlib_blas_ext_swhere( const struct ndarray *arrays[] ); #include int main( void ) { - // Create data buffers: - const bool dataC[] = { true, false, true, false }; - const float dataX[] = { 1.0f, 2.0f, 3.0f, 4.0f }; - const float dataY[] = { 5.0f, 6.0f, 7.0f, 8.0f }; - float dataOut[] = { 0.0f, 0.0f, 0.0f, 0.0f }; + // Create data buffers: + const bool dataC[] = { true, false, true, false }; + const float dataX[] = { 1.0f, 2.0f, 3.0f, 4.0f }; + const float dataY[] = { 5.0f, 6.0f, 7.0f, 8.0f }; + float dataOut[] = { 0.0f, 0.0f, 0.0f, 0.0f }; - // Specify the number of array dimensions: - const int64_t ndims = 1; + // Specify the number of array dimensions: + const int64_t ndims = 1; - // Specify the array shape: - int64_t shape[] = { 4 }; + // Specify the array shape: + int64_t shape[] = { 4 }; - // Specify the array strides: - int64_t cstrides[] = { STDLIB_NDARRAY_BOOL_BYTES_PER_ELEMENT }; - int64_t strides[] = { STDLIB_NDARRAY_FLOAT32_BYTES_PER_ELEMENT }; + // Specify the array strides: + int64_t cstrides[] = { STDLIB_NDARRAY_BOOL_BYTES_PER_ELEMENT }; + int64_t strides[] = { STDLIB_NDARRAY_FLOAT32_BYTES_PER_ELEMENT }; - // Specify the byte offset: - const int64_t offset = 0; + // Specify the byte offset: + const int64_t offset = 0; - // Specify the array order: - const enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR; + // Specify the array order: + const enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR; - // Specify the index mode: - const enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR; + // Specify the index mode: + const enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR; - // Specify the subscript index modes: - int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; - const int64_t nsubmodes = 1; + // Specify the subscript index modes: + int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; + const int64_t nsubmodes = 1; - // Create ndarrays: - struct ndarray *condition = stdlib_ndarray_allocate( STDLIB_NDARRAY_BOOL, (uint8_t *)dataC, ndims, shape, cstrides, offset, order, imode, nsubmodes, submodes ); + // Create ndarrays: + struct ndarray *condition = stdlib_ndarray_allocate( STDLIB_NDARRAY_BOOL, (uint8_t *)dataC, ndims, shape, cstrides, offset, order, imode, nsubmodes, submodes ); - struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataX, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataX, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); - struct ndarray *y = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataY, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + struct ndarray *y = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataY, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); - struct ndarray *out = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataOut, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); - if ( condition == NULL || x == NULL || y == NULL || out == NULL ) { - fprintf( stderr, "Error allocating memory.\n" ); - exit( 1 ); - } + struct ndarray *out = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT32, (uint8_t *)dataOut, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + if ( condition == NULL || x == NULL || y == NULL || out == NULL ) { + fprintf( stderr, "Error allocating memory.\n" ); + exit( 1 ); + } - // Define a list of ndarrays: - const struct ndarray *arrays[] = { condition, x, y, out }; + // Define a list of ndarrays: + const struct ndarray *arrays[] = { condition, x, y, out }; - // Perform computation: - stdlib_blas_ext_swhere( arrays ); + // Perform computation: + stdlib_blas_ext_swhere( arrays ); - // Print the result: - for ( int i = 0; i < 4; i++ ) { - printf( "out[ %i ] = %f\n", i, dataOut[ i ] ); - } + // Print the result: + for ( int i = 0; i < 4; i++ ) { + printf( "out[ %i ] = %f\n", i, dataOut[ i ] ); + } - // Free allocated memory: - stdlib_ndarray_free( condition ); - stdlib_ndarray_free( x ); - stdlib_ndarray_free( y ); - stdlib_ndarray_free( out ); + // Free allocated memory: + stdlib_ndarray_free( condition ); + stdlib_ndarray_free( x ); + stdlib_ndarray_free( y ); + stdlib_ndarray_free( out ); } ``` From b7759d5c39eb0ff025d1e08eefb5577bc2307e05 Mon Sep 17 00:00:00 2001 From: yb175 Date: Sun, 11 Oct 2026 05:41:12 +0000 Subject: [PATCH 4/4] fix: address remaining review feedback --- .../blas/ext/base/ndarray/swhere/README.md | 8 +++++++ .../swhere/benchmark/c/benchmark.length.c | 4 ++-- .../base/ndarray/swhere/test/test.native.js | 23 ------------------- 3 files changed, 10 insertions(+), 25 deletions(-) diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md index 04162c9a5eef..732a57d2158e 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/README.md @@ -119,12 +119,16 @@ console.log( ndarray2array( out ) ); ## C APIs + +
+ +
### Usage @@ -189,12 +193,16 @@ void stdlib_blas_ext_swhere( const struct ndarray *arrays[] ); + +
+ +
### Examples diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/benchmark.length.c index 3b3fb9e7c8a4..7c037e01ea6e 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/benchmark.length.c +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/benchmark/c/benchmark.length.c @@ -51,7 +51,7 @@ static void print_version( void ) { */ static void print_summary( int total, int passing ) { printf( "#\n" ); - printf( "1..%d\n", total ); + printf( "1..%d\n", total ); // TAP plan printf( "# total %d\n", total ); printf( "# pass %d\n", passing ); printf( "#\n" ); @@ -59,7 +59,7 @@ static void print_summary( int total, int passing ) { } /** -* Prints benchmark results. +* Prints benchmarks results. * * @param iterations number of iterations * @param elapsed elapsed time in seconds diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.native.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.native.js index 53212f0c50d6..1747bc0fc972 100644 --- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.native.js +++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/swhere/test/test.native.js @@ -24,7 +24,6 @@ var resolve = require( 'path' ).resolve; var tape = require( 'tape' ); var isSameFloat32Array = require( '@stdlib/assert/is-same-float32array' ); var Float32Array = require( '@stdlib/array/float32' ); -var Uint8Array = require( '@stdlib/array/uint8' ); var BooleanArray = require( '@stdlib/array/bool' ); var ndarray = require( '@stdlib/ndarray/base/ctor' ); var tryRequire = require( '@stdlib/utils/try-require' ); @@ -392,28 +391,6 @@ tape( 'the function supports ndarrays having different strides and offsets', opt t.end(); }); -tape( 'the function supports a boolean buffer with a non-zero byte offset', opts, function test( t ) { - var bytes; - var cbuf; - var obuf; - var out; - var c; - var x; - var y; - - bytes = new Uint8Array( [ 0, 1, 0, 1, 0 ] ); - cbuf = new BooleanArray( bytes.buffer, 1, 3 ); - obuf = new Float32Array( 3 ); - c = bvector( cbuf, 3, 1, 0 ); - x = vector( new Float32Array( [ 1, 2, 3 ] ), 3, 1, 0 ); - y = vector( new Float32Array( [ 4, 5, 6 ] ), 3, 1, 0 ); - out = vector( obuf, 3, 1, 0 ); - - t.strictEqual( swhere( [ c, x, y, out ] ), out, 'returns the output ndarray' ); - t.strictEqual( isSameFloat32Array( obuf, new Float32Array( [ 1, 5, 3 ] ) ), true, 'selects the expected values' ); - t.end(); -}); - tape( 'the function returns the output ndarray unchanged when the input ndarrays are empty', opts, function test( t ) { var expected; var actual;