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Merged
kgryte merged 1 commit into from
Oct 24, 2026
Merged

test: migrate blas/base/wasm/snrm2 to ULP-based assertions #16262

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42 changes: 6 additions & 36 deletions lib/node_modules/@stdlib/blas/base/wasm/snrm2/test/test.main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,40 +22,10 @@

var tape = require( 'tape' );
var Float32Array = require( '@stdlib/array/float32' );
var EPS = require( '@stdlib/constants/float32/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValuef = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
var snrm2 = require( './../lib' );


// FUNCTIONS //

/**
* Tests for element-wise approximate equality.
*
* @private
* @param {Object} t - test object
* @param {Collection} actual - actual values
* @param {Collection} expected - expected values
* @param {number} rtol - relative tolerance
*/
function isApprox( t, actual, expected, rtol ) {
var delta;
var tol;
var i;

t.strictEqual( actual.length, expected.length, 'returns expected value' );
for ( i = 0; i < expected.length; i++ ) {
if ( actual[ i ] === expected[ i ] ) {
t.strictEqual( actual[ i ], expected[ i ], 'returns expected value' );
} else {
delta = abs( actual[ i ] - expected[ i ] );
tol = rtol * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. actual: '+actual[ i ]+'. expected: '+expected[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
}
}
}


// TESTS //

tape( 'main export is an object', function test( t ) {
Expand All @@ -76,12 +46,12 @@ tape( 'the `main` method calculates the L2-norm of a vector', function test( t )
x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] );

nrm2 = snrm2.main( x.length, x, 1 );
isApprox( t, nrm2, 7.4, 2.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 7.416198253631592, 0 ), true, 'returns expected value' );

x = new Float32Array( [ -4.0 ] );

nrm2 = snrm2.main( x.length, x, 1 );
isApprox( t, nrm2, 4.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 4.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand All @@ -102,7 +72,7 @@ tape( 'the `main` method supports a `stride` parameter', function test( t ) {
]);

nrm2 = snrm2.main( 4, x, 2 );
isApprox( t, nrm2, 5.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 5.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand All @@ -123,7 +93,7 @@ tape( 'the `main` method supports a negative `stride` parameter', function test(
]);

nrm2 = snrm2.main( 4, x, -2 );
isApprox( t, nrm2, 5.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 5.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down Expand Up @@ -163,7 +133,7 @@ tape( 'the `main` method supports view offsets', function test( t ) {
x1 = new Float32Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element

nrm2 = snrm2.main( 4, x1, 2 );
isApprox( t, nrm2, 5.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 5.0, 0 ), true, 'returns expected value' );

t.end();
});
40 changes: 5 additions & 35 deletions lib/node_modules/@stdlib/blas/base/wasm/snrm2/test/test.module.main.js
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -25,40 +25,10 @@
var tape = require( 'tape' );
var Memory = require( '@stdlib/wasm/memory' );
var Float32Array = require( '@stdlib/array/float32' );
var EPS = require( '@stdlib/constants/float32/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValuef = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
var Module = require( './../lib' ).Module;


// FUNCTIONS //

/**
* Tests for element-wise approximate equality.
*
* @private
* @param {Object} t - test object
* @param {Collection} actual - actual values
* @param {Collection} expected - expected values
* @param {number} rtol - relative tolerance
*/
function isApprox( t, actual, expected, rtol ) {
var delta;
var tol;
var i;

t.strictEqual( actual.length, expected.length, 'returns expected value' );
for ( i = 0; i < expected.length; i++ ) {
if ( actual[ i ] === expected[ i ] ) {
t.strictEqual( actual[ i ], expected[ i ], 'returns expected value' );
} else {
delta = abs( actual[ i ] - expected[ i ] );
tol = rtol * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. actual: '+actual[ i ]+'. expected: '+expected[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
}
}
}


// TESTS //

tape( 'main export is a function', function test( t ) {
Expand Down Expand Up @@ -96,15 +66,15 @@ tape( 'a module instance has a `main` method which calculates the L2-norm of a v
mod.write( xp, new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] ) );

nrm2 = mod.main( 6, xp, 1 );
isApprox( t, nrm2, 7.4, 2.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 7.416198253631592, 0 ), true, 'returns expected value' );

// Short datasets:
xp = 0;

mod.write( xp, new Float32Array( [ -4.0 ] ) );

nrm2 = mod.main( 1, xp, 1 );
isApprox( t, nrm2, 4.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 4.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down Expand Up @@ -135,7 +105,7 @@ tape( 'a module instance has a `main` method which supports a `stride` parameter
]));

nrm2 = mod.main( 4, xp, 2 );
isApprox( t, nrm2, 5.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 5.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down Expand Up @@ -166,7 +136,7 @@ tape( 'a module instance has a `main` method which supports a negative `stride`
]));

nrm2 = mod.main( 4, xp, -2 );
isApprox( t, nrm2, 5.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 5.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down
42 changes: 6 additions & 36 deletions lib/node_modules/@stdlib/blas/base/wasm/snrm2/test/test.module.ndarray.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -25,40 +25,10 @@
var tape = require( 'tape' );
var Memory = require( '@stdlib/wasm/memory' );
var Float32Array = require( '@stdlib/array/float32' );
var EPS = require( '@stdlib/constants/float32/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValuef = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
var Module = require( './../lib' ).Module;


// FUNCTIONS //

/**
* Tests for element-wise approximate equality.
*
* @private
* @param {Object} t - test object
* @param {Collection} actual - actual values
* @param {Collection} expected - expected values
* @param {number} rtol - relative tolerance
*/
function isApprox( t, actual, expected, rtol ) {
var delta;
var tol;
var i;

t.strictEqual( actual.length, expected.length, 'returns expected value' );
for ( i = 0; i < expected.length; i++ ) {
if ( actual[ i ] === expected[ i ] ) {
t.strictEqual( actual[ i ], expected[ i ], 'returns expected value' );
} else {
delta = abs( actual[ i ] - expected[ i ] );
tol = rtol * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. actual: '+actual[ i ]+'. expected: '+expected[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
}
}
}


// TESTS //

tape( 'main export is a function', function test( t ) {
Expand Down Expand Up @@ -96,15 +66,15 @@ tape( 'a module instance has an `ndarray` method which calculates the L2-norm of
mod.write( xp, new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] ) );

nrm2 = mod.ndarray( 6, xp, 1, 0 );
isApprox( t, nrm2, 7.4, 2.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 7.416198253631592, 0 ), true, 'returns expected value' );

// Short datasets:
xp = 0;

mod.write( xp, new Float32Array( [ -4.0 ] ) );

nrm2 = mod.ndarray( 1, xp, 1, 0 );
isApprox( t, nrm2, 4.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 4.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down Expand Up @@ -135,7 +105,7 @@ tape( 'a module instance has an `ndarray` method which supports a `stride` param
]));

nrm2 = mod.ndarray( 4, xp, 2, 0 );
isApprox( t, nrm2, 5.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 5.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down Expand Up @@ -166,7 +136,7 @@ tape( 'a module instance has an `ndarray` method which supports a negative `stri
]));

nrm2 = mod.ndarray( 4, xp, -2, 6 );
isApprox( t, nrm2, 5.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 5.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down Expand Up @@ -197,7 +167,7 @@ tape( 'a module instance has an `ndarray` method which supports an `x` offset',
]));

nrm2 = mod.ndarray( 4, xp, 2, 1 );
isApprox( t, nrm2, 5.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 5.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down
42 changes: 6 additions & 36 deletions lib/node_modules/@stdlib/blas/base/wasm/snrm2/test/test.ndarray.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,40 +22,10 @@

var tape = require( 'tape' );
var Float32Array = require( '@stdlib/array/float32' );
var EPS = require( '@stdlib/constants/float32/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValuef = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
var snrm2 = require( './../lib' );


// FUNCTIONS //

/**
* Tests for element-wise approximate equality.
*
* @private
* @param {Object} t - test object
* @param {Collection} actual - actual values
* @param {Collection} expected - expected values
* @param {number} rtol - relative tolerance
*/
function isApprox( t, actual, expected, rtol ) {
var delta;
var tol;
var i;

t.strictEqual( actual.length, expected.length, 'returns expected value' );
for ( i = 0; i < expected.length; i++ ) {
if ( actual[ i ] === expected[ i ] ) {
t.strictEqual( actual[ i ], expected[ i ], 'returns expected value' );
} else {
delta = abs( actual[ i ] - expected[ i ] );
tol = rtol * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. actual: '+actual[ i ]+'. expected: '+expected[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
}
}
}


// TESTS //

tape( 'main export is an object', function test( t ) {
Expand All @@ -76,13 +46,13 @@ tape( 'the `ndarray` method calculates the L2-norm of a vector', function test(
x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] );

nrm2 = snrm2.ndarray( x.length, x, 1, 0 );
isApprox( t, nrm2, 7.4, 2.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 7.416198253631592, 0 ), true, 'returns expected value' );

// Short datasets:
x = new Float32Array( [ -4.0 ] );

nrm2 = snrm2.ndarray( x.length, x, 1, 0 );
isApprox( t, nrm2, 4.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 4.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand All @@ -103,7 +73,7 @@ tape( 'the `ndarray` method supports a `stride` parameter', function test( t ) {
]);

nrm2 = snrm2.ndarray( 4, x, 2, 0 );
isApprox( t, nrm2, 5.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 5.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand All @@ -124,7 +94,7 @@ tape( 'the `ndarray` method supports a negative stride parameter', function test
]);

nrm2 = snrm2.ndarray( 4, x, -2, x.length-2 );
isApprox( t, nrm2, 5.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 5.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand All @@ -145,7 +115,7 @@ tape( 'the `ndarray` method supports an `offset` parameter', function test( t )
]);

nrm2 = snrm2.ndarray( 4, x, 2, 1 );
isApprox( t, nrm2, 5.0, 1.0 );
t.strictEqual( isAlmostSameValuef( nrm2, 5.0, 0 ), true, 'returns expected value' );

t.end();
});
Expand Down
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