diff --git a/lib/node_modules/@stdlib/blas/ext/base/docs/types/index.d.ts b/lib/node_modules/@stdlib/blas/ext/base/docs/types/index.d.ts
index e26ed7bf5698..d49b6065f62f 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/docs/types/index.d.ts
+++ b/lib/node_modules/@stdlib/blas/ext/base/docs/types/index.d.ts
@@ -73,6 +73,7 @@ import dfillEqual = require( '@stdlib/blas/ext/base/dfill-equal' );
 import dfillNaN = require( '@stdlib/blas/ext/base/dfill-nan' );
 import dfillNotEqual = require( '@stdlib/blas/ext/base/dfill-not-equal' );
 import dfirstIndexEqual = require( '@stdlib/blas/ext/base/dfirst-index-equal' );
+import dfirstIndexLessThan = require( '@stdlib/blas/ext/base/dfirst-index-less-than' );
 import dindexOf = require( '@stdlib/blas/ext/base/dindex-of' );
 import dindexOfColumn = require( '@stdlib/blas/ext/base/dindex-of-column' );
 import dindexOfFalsy = require( '@stdlib/blas/ext/base/dindex-of-falsy' );
@@ -280,6 +281,7 @@ import sfillEqual = require( '@stdlib/blas/ext/base/sfill-equal' );
 import sfillNaN = require( '@stdlib/blas/ext/base/sfill-nan' );
 import sfillNotEqual = require( '@stdlib/blas/ext/base/sfill-not-equal' );
 import sfirstIndexEqual = require( '@stdlib/blas/ext/base/sfirst-index-equal' );
+import sfirstIndexLessThan = require( '@stdlib/blas/ext/base/sfirst-index-less-than' );
 import sindexOf = require( '@stdlib/blas/ext/base/sindex-of' );
 import sindexOfColumn = require( '@stdlib/blas/ext/base/sindex-of-column' );
 import sindexOfFalsy = require( '@stdlib/blas/ext/base/sindex-of-falsy' );
@@ -2081,6 +2083,40 @@ interface Namespace {
 	*/
 	dfirstIndexEqual: typeof dfirstIndexEqual;
 
+	/**
+	* Returns the index of the first element in a double-precision floating-point strided array which is less than a corresponding element in another double-precision floating-point strided array.
+	*
+	* ## Notes
+	*
+	* -   If the function is unable to find an element in `x` which is less than a corresponding element in `y`, the function returns `-1`.
+	*
+	* @param N - number of indexed elements
+	* @param x - first input array
+	* @param strideX - stride length for `x`
+	* @param y - second input array
+	* @param strideY - stride length for `y`
+	* @returns index
+	*
+	* @example
+	* var Float64Array = require( '@stdlib/array/float64' );
+	*
+	* var x = new Float64Array( [ 0.0, 0.0, 0.0, 0.0 ] );
+	* var y = new Float64Array( [ 0.0, 0.0, 1.0, 0.0 ] );
+	*
+	* var idx = ns.dfirstIndexLessThan( x.length, x, 1, y, 1 );
+	* // returns 2
+	*
+	* @example
+	* var Float64Array = require( '@stdlib/array/float64' );
+	*
+	* var x = new Float64Array( [ 0.0, 0.0, 0.0, 0.0 ] );
+	* var y = new Float64Array( [ 0.0, 0.0, 1.0, 0.0 ] );
+	*
+	* var idx = ns.dfirstIndexLessThan.ndarray( x.length, x, 1, 0, y, 1, 0 );
+	* // returns 2
+	*/
+	dfirstIndexLessThan: typeof dfirstIndexLessThan;
+
 	/**
 	* Returns the first index of a specified search element in a double-precision floating-point strided array.
 	*
@@ -7996,6 +8032,40 @@ interface Namespace {
 	*/
 	sfirstIndexEqual: typeof sfirstIndexEqual;
 
+	/**
+	* Returns the index of the first element in a single-precision floating-point strided array which is less than a corresponding element in another single-precision floating-point strided array.
+	*
+	* ## Notes
+	*
+	* -   If the function is unable to find an element in `x` which is less than a corresponding element in `y`, the function returns `-1`.
+	*
+	* @param N - number of indexed elements
+	* @param x - first input array
+	* @param strideX - stride length for `x`
+	* @param y - second input array
+	* @param strideY - stride length for `y`
+	* @returns index
+	*
+	* @example
+	* var Float32Array = require( '@stdlib/array/float32' );
+	*
+	* var x = new Float32Array( [ 0.0, 0.0, 0.0, 0.0 ] );
+	* var y = new Float32Array( [ 0.0, 0.0, 1.0, 0.0 ] );
+	*
+	* var idx = ns.sfirstIndexLessThan( x.length, x, 1, y, 1 );
+	* // returns 2
+	*
+	* @example
+	* var Float32Array = require( '@stdlib/array/float32' );
+	*
+	* var x = new Float32Array( [ 0.0, 0.0, 0.0, 0.0 ] );
+	* var y = new Float32Array( [ 0.0, 0.0, 1.0, 0.0 ] );
+	*
+	* var idx = ns.sfirstIndexLessThan.ndarray( x.length, x, 1, 0, y, 1, 0 );
+	* // returns 2
+	*/
+	sfirstIndexLessThan: typeof sfirstIndexLessThan;
+
 	/**
 	* Returns the first index of a specified search element in a single-precision floating-point strided array.
 	*