From 036fccd5c53531a64ca81e8c4c0818d5f03ac411 Mon Sep 17 00:00:00 2001
From: Muhammad Haris <101793258+headlessNode@users.noreply.github.com>
Date: Sun, 19 Jan 2025 13:43:00 +0500
Subject: [PATCH] feat: add C `ndarray` API and refactor
 `blas/ext/base/sapxsum`

PR-URL: https://github.com/stdlib-js/stdlib/pull/4812
Reviewed-by: Athan Reines <kgryte@gmail.com>
---
 .../@stdlib/blas/ext/base/sapxsum/README.md   | 154 ++++++++++++++++--
 .../ext/base/sapxsum/benchmark/benchmark.js   |   9 +-
 .../sapxsum/benchmark/benchmark.native.js     |   9 +-
 .../sapxsum/benchmark/benchmark.ndarray.js    |   9 +-
 .../benchmark/benchmark.ndarray.native.js     |   9 +-
 .../sapxsum/benchmark/c/benchmark.length.c    |  50 +++++-
 .../blas/ext/base/sapxsum/docs/repl.txt       |  30 ++--
 .../ext/base/sapxsum/docs/types/index.d.ts    |  24 +--
 .../ext/base/sapxsum/examples/c/example.c     |  15 +-
 .../blas/ext/base/sapxsum/examples/index.js   |   7 +-
 .../include/stdlib/blas/ext/base/sapxsum.h    |   9 +-
 .../blas/ext/base/sapxsum/lib/index.js        |   5 +-
 .../blas/ext/base/sapxsum/lib/ndarray.js      |  12 +-
 .../ext/base/sapxsum/lib/ndarray.native.js    |  19 +--
 .../blas/ext/base/sapxsum/lib/sapxsum.js      |  16 +-
 .../ext/base/sapxsum/lib/sapxsum.native.js    |  13 +-
 .../blas/ext/base/sapxsum/manifest.json       |  31 ++--
 .../@stdlib/blas/ext/base/sapxsum/src/addon.c |  27 ++-
 .../@stdlib/blas/ext/base/sapxsum/src/main.c  |  50 ++++++
 .../blas/ext/base/sapxsum/src/sapxsum.c       |  34 ----
 .../ext/base/sapxsum/test/test.ndarray.js     |   4 +-
 .../base/sapxsum/test/test.ndarray.native.js  |   4 +-
 .../ext/base/sapxsum/test/test.sapxsum.js     |   4 +-
 .../base/sapxsum/test/test.sapxsum.native.js  |   4 +-
 24 files changed, 375 insertions(+), 173 deletions(-)
 create mode 100644 lib/node_modules/@stdlib/blas/ext/base/sapxsum/src/main.c
 delete mode 100644 lib/node_modules/@stdlib/blas/ext/base/sapxsum/src/sapxsum.c

diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/README.md b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/README.md
index 3b335687ccc9..532dfbc81f39 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/README.md
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/README.md
@@ -20,7 +20,7 @@ limitations under the License.
 
 # sapxsum
 
-> Add a constant to each single-precision floating-point strided array element and compute the sum.
+> Add a scalar constant to each single-precision floating-point strided array element and compute the sum.
 
 <section class="intro">
 
@@ -36,27 +36,27 @@ limitations under the License.
 var sapxsum = require( '@stdlib/blas/ext/base/sapxsum' );
 ```
 
-#### sapxsum( N, alpha, x, stride )
+#### sapxsum( N, alpha, x, strideX )
 
-Adds a constant to each single-precision floating-point strided array element and computes the sum.
+Adds a scalar constant to each single-precision floating-point strided array element and computes the sum.
 
 ```javascript
 var Float32Array = require( '@stdlib/array/float32' );
 
 var x = new Float32Array( [ 1.0, -2.0, 2.0 ] );
-var N = x.length;
 
-var v = sapxsum( N, 5.0, x, 1 );
+var v = sapxsum( x.length, 5.0, x, 1 );
 // returns 16.0
 ```
 
 The function has the following parameters:
 
 -   **N**: number of indexed elements.
+-   **alpha**: scalar constant.
 -   **x**: input [`Float32Array`][@stdlib/array/float32].
--   **stride**: index increment for `x`.
+-   **strideX**: stride length.
 
-The `N` and stride parameters determine which elements in the strided array are accessed at runtime. For example, to access every other element in `x`,
+The `N` and stride parameters determine which elements in the strided array are accessed at runtime. For example, to access every other element:
 
 ```javascript
 var Float32Array = require( '@stdlib/array/float32' );
@@ -81,25 +81,24 @@ var v = sapxsum( 4, 5.0, x1, 2 );
 // returns 25.0
 ```
 
-#### sapxsum.ndarray( N, alpha, x, stride, offset )
+#### sapxsum.ndarray( N, alpha, x, strideX, offsetX )
 
-Adds a constant to each single-precision floating-point strided array element and computes the sum using alternative indexing semantics.
+Adds a scalar constant to each single-precision floating-point strided array element and computes the sum using alternative indexing semantics.
 
 ```javascript
 var Float32Array = require( '@stdlib/array/float32' );
 
 var x = new Float32Array( [ 1.0, -2.0, 2.0 ] );
-var N = x.length;
 
-var v = sapxsum.ndarray( N, 5.0, x, 1, 0 );
+var v = sapxsum.ndarray( x.length, 5.0, x, 1, 0 );
 // returns 16.0
 ```
 
 The function has the following additional parameters:
 
--   **offset**: starting index for `x`.
+-   **offsetX**: starting index.
 
-While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying `buffer`, the offset parameter supports indexing semantics based on a starting index. For example, to access every other value in `x` starting from the second value
+While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying buffer, the offset parameter supports indexing semantics based on a starting index. For example, to access every other element starting from the second element:
 
 ```javascript
 var Float32Array = require( '@stdlib/array/float32' );
@@ -131,18 +130,141 @@ var v = sapxsum.ndarray( 4, 5.0, x, 2, 1 );
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var discreteUniform = require( '@stdlib/random/base/discrete-uniform' ).factory;
-var filledarrayBy = require( '@stdlib/array/filled-by' );
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
 var sapxsum = require( '@stdlib/blas/ext/base/sapxsum' );
 
-var x = filledarrayBy( 10, 'float32', discreteUniform( 0, 100 ) );
+var x = discreteUniform( 10, -100, 100, {
+    'dtype': 'float32'
+});
 console.log( x );
+
+var v = sapxsum( x.length, 5.0, x, 1 );
+console.log( v );
+```
+
+</section>
+
+<!-- /.examples -->
+
+<!-- C interface documentation. -->
+
+* * *
+
+<section class="c">
+
+## C APIs
+
+<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
+
+<section class="intro">
+
+</section>
+
+<!-- /.intro -->
+
+<!-- C usage documentation. -->
+
+<section class="usage">
+
+### Usage
+
+```c
+#include "stdlib/blas/ext/base/sapxsum.h"
+```
+
+#### stdlib_strided_sapxsum( N, alpha, \*X, strideX )
+
+Adds a scalar constant to each single-precision floating-point strided array element and computes the sum.
+
+```c
+const float x[] = { 1.0f, 2.0f, 3.0f, 4.0f };
+
+float v = stdlib_strided_sapxsum( 4, 5.0f, x, 1 );
+// returns 30.0f
+```
+
+The function accepts the following arguments:
+
+-   **N**: `[in] CBLAS_INT` number of indexed elements.
+-   **alpha**: `[in] float` scalar constant.
+-   **X**: `[in] float*` input array.
+-   **strideX**: `[in] CBLAS_INT` stride length.
+
+```c
+float stdlib_strided_sapxsum( const CBLAS_INT N, const float alpha, const float *X, const CBLAS_INT strideX );
+```
+
+#### stdlib_strided_sapxsum_ndarray( N, alpha, \*X, strideX, offsetX )
+
+Adds a scalar constant to each single-precision floating-point strided array element and computes the sum using alternative indexing semantics.
+
+```c
+const float x[] = { 1.0f, 2.0f, 3.0f, 4.0f };
+
+float v = stdlib_strided_sapxsum_ndarray( 4, 5.0f, x, 1, 0 );
+// returns 30.0f
+```
+
+The function accepts the following arguments:
+
+-   **N**: `[in] CBLAS_INT` number of indexed elements.
+-   **alpha**: `[in] float` scalar constant.
+-   **X**: `[in] float*` input array.
+-   **strideX**: `[in] CBLAS_INT` stride length.
+-   **offsetX**: `[in] CBLAS_INT` starting index.
+
+```c
+float stdlib_strided_sapxsum_ndarray( const CBLAS_INT N, const float alpha, const float *X, const CBLAS_INT strideX, const CBLAS_INT offsetX );
+```
+
+</section>
+
+<!-- /.usage -->
+
+<!-- C API usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="notes">
+
+</section>
+
+<!-- /.notes -->
+
+<!-- C API usage examples. -->
+
+<section class="examples">
+
+### Examples
+
+```c
+#include "stdlib/blas/ext/base/sapxsum.h"
+#include <stdio.h>
+
+int main( void ) {
+    // Create a strided array:
+    const float x[] = { 1.0f, -2.0f, 3.0f, -4.0f, 5.0f, -6.0f, 7.0f, -8.0f };
+
+    // Specify the number of indexed elements:
+    const int N = 8;
+
+    // Specify a stride:
+    const int strideX = 1;
+
+    // Compute the sum:
+    float v = stdlib_strided_sapxsum( N, 5.0f, x, strideX );
+
+    // Print the result:
+    printf( "Sum: %f\n", v );
+}
 ```
 
 </section>
 
 <!-- /.examples -->
 
+</section>
+
+<!-- /.c -->
+
 <section class="references">
 
 </section>
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.js
index a3794363584e..b57b2cc0bb94 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.js
@@ -23,15 +23,16 @@
 var bench = require( '@stdlib/bench' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var uniform = require( '@stdlib/random/base/uniform' ).factory;
-var filledarrayBy = require( '@stdlib/array/filled-by' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var pkg = require( './../package.json' ).name;
 var sapxsum = require( './../lib/sapxsum.js' );
 
 
 // VARIABLES //
 
-var rand = uniform( -10.0, 10.0 );
+var options = {
+	'dtype': 'float32'
+};
 
 
 // FUNCTIONS //
@@ -44,7 +45,7 @@ var rand = uniform( -10.0, 10.0 );
 * @returns {Function} benchmark function
 */
 function createBenchmark( len ) {
-	var x = filledarrayBy( len, 'float32', rand );
+	var x = uniform( len, -100, 100, options );
 	return benchmark;
 
 	function benchmark( b ) {
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.native.js
index f850b14b21dc..e6410b84f568 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.native.js
@@ -24,8 +24,7 @@ var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var uniform = require( '@stdlib/random/base/uniform' ).factory;
-var filledarrayBy = require( '@stdlib/array/filled-by' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var pkg = require( './../package.json' ).name;
 
@@ -36,7 +35,9 @@ var sapxsum = tryRequire( resolve( __dirname, './../lib/sapxsum.native.js' ) );
 var opts = {
 	'skip': ( sapxsum instanceof Error )
 };
-var rand = uniform( -10.0, 10.0 );
+var options = {
+	'dtype': 'float32'
+};
 
 
 // FUNCTIONS //
@@ -49,7 +50,7 @@ var rand = uniform( -10.0, 10.0 );
 * @returns {Function} benchmark function
 */
 function createBenchmark( len ) {
-	var x = filledarrayBy( len, 'float32', rand );
+	var x = uniform( len, -100, 100, options );
 	return benchmark;
 
 	function benchmark( b ) {
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.ndarray.js
index 8197e74a9950..e349ef03d0f6 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.ndarray.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.ndarray.js
@@ -23,15 +23,16 @@
 var bench = require( '@stdlib/bench' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var uniform = require( '@stdlib/random/base/uniform' ).factory;
-var filledarrayBy = require( '@stdlib/array/filled-by' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var pkg = require( './../package.json' ).name;
 var sapxsum = require( './../lib/ndarray.js' );
 
 
 // VARIABLES //
 
-var rand = uniform( -10.0, 10.0 );
+var options = {
+	'dtype': 'float32'
+};
 
 
 // FUNCTIONS //
@@ -44,7 +45,7 @@ var rand = uniform( -10.0, 10.0 );
 * @returns {Function} benchmark function
 */
 function createBenchmark( len ) {
-	var x = filledarrayBy( len, 'float32', rand );
+	var x = uniform( len, -100, 100, options );
 	return benchmark;
 
 	function benchmark( b ) {
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.ndarray.native.js
index ad9b898716e7..7421e9af74e7 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.ndarray.native.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/benchmark.ndarray.native.js
@@ -24,8 +24,7 @@ var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var uniform = require( '@stdlib/random/base/uniform' ).factory;
-var filledarrayBy = require( '@stdlib/array/filled-by' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var pkg = require( './../package.json' ).name;
 
@@ -36,7 +35,9 @@ var sapxsum = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) );
 var opts = {
 	'skip': ( sapxsum instanceof Error )
 };
-var rand = uniform( -10.0, 10.0 );
+var options = {
+	'dtype': 'float32'
+};
 
 
 // FUNCTIONS //
@@ -49,7 +50,7 @@ var rand = uniform( -10.0, 10.0 );
 * @returns {Function} benchmark function
 */
 function createBenchmark( len ) {
-	var x = filledarrayBy( len, 'float32', rand );
+	var x = uniform( len, -100, 100, options );
 	return benchmark;
 
 	function benchmark( b ) {
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/c/benchmark.length.c
index be5d510f7f2d..1d2520397265 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/c/benchmark.length.c
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/benchmark/c/benchmark.length.c
@@ -94,7 +94,7 @@ static float rand_float( void ) {
 * @param len          array length
 * @return             elapsed time in seconds
 */
-static double benchmark( int iterations, int len ) {
+static double benchmark1( int iterations, int len ) {
 	double elapsed;
 	float x[ len ];
 	float v;
@@ -107,6 +107,7 @@ static double benchmark( int iterations, int len ) {
 	v = 0.0f;
 	t = tic();
 	for ( i = 0; i < iterations; i++ ) {
+		// cppcheck-suppress uninitvar
 		v = stdlib_strided_sapxsum( len, 5.0f, x, 1 );
 		if ( v != v ) {
 			printf( "should not return NaN\n" );
@@ -120,6 +121,40 @@ static double benchmark( int iterations, int len ) {
 	return elapsed;
 }
 
+/**
+* Runs a benchmark.
+*
+* @param iterations   number of iterations
+* @param len          array length
+* @return             elapsed time in seconds
+*/
+static double benchmark2( int iterations, int len ) {
+	double elapsed;
+	float x[ len ];
+	float v;
+	double t;
+	int i;
+
+	for ( i = 0; i < len; i++ ) {
+		x[ i ] = ( rand_float() * 20000.0f ) - 10000.0f;
+	}
+	v = 0.0f;
+	t = tic();
+	for ( i = 0; i < iterations; i++ ) {
+		// cppcheck-suppress uninitvar
+		v = stdlib_strided_sapxsum_ndarray( len, 5.0f, x, 1, 0 );
+		if ( v != v ) {
+			printf( "should not return NaN\n" );
+			break;
+		}
+	}
+	elapsed = tic() - t;
+	if ( v != v ) {
+		printf( "should not return NaN\n" );
+	}
+	return elapsed;
+}
+
 /**
 * Main execution sequence.
 */
@@ -142,7 +177,18 @@ int main( void ) {
 		for ( j = 0; j < REPEATS; j++ ) {
 			count += 1;
 			printf( "# c::%s:len=%d\n", NAME, len );
-			elapsed = benchmark( iter, len );
+			elapsed = benchmark1( iter, len );
+			print_results( iter, elapsed );
+			printf( "ok %d benchmark finished\n", count );
+		}
+	}
+	for ( i = MIN; i <= MAX; i++ ) {
+		len = pow( 10, i );
+		iter = ITERATIONS / pow( 10, i-1 );
+		for ( j = 0; j < REPEATS; j++ ) {
+			count += 1;
+			printf( "# c::%s:ndarray:len=%d\n", NAME, len );
+			elapsed = benchmark2( iter, len );
 			print_results( iter, elapsed );
 			printf( "ok %d benchmark finished\n", count );
 		}
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/docs/repl.txt b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/docs/repl.txt
index b277320a58d3..fe8db2f64e4f 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/docs/repl.txt
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/docs/repl.txt
@@ -1,10 +1,10 @@
 
-{{alias}}( N, alpha, x, stride )
-    Adds a constant to each single-precision floating-point strided array
+{{alias}}( N, alpha, x, strideX )
+    Adds a scalar constant to each single-precision floating-point strided array
     element and computes the sum.
 
-    The `N` and stride parameters determine which elements in the strided
-    array are accessed at runtime.
+    The `N` and stride parameters determine which elements in the strided array
+    are accessed at runtime.
 
     Indexing is relative to the first index. To introduce an offset, use a typed
     array view.
@@ -17,13 +17,13 @@
         Number of indexed elements.
 
     alpha: number
-        Constant.
+        Scalar constant.
 
     x: Float32Array
         Input array.
 
-    stride: integer
-        Index increment.
+    strideX: integer
+        Stride length.
 
     Returns
     -------
@@ -49,13 +49,13 @@
     14.0
 
 
-{{alias}}.ndarray( N, alpha, x, stride, offset )
-    Adds a constant to each single-precision floating-point strided array
+{{alias}}.ndarray( N, alpha, x, strideX, offsetX )
+    Adds a scalar constant to each single-precision floating-point strided array
     element and computes the sum using alternative indexing semantics.
 
     While typed array views mandate a view offset based on the underlying
-    buffer, the offset parameter supports indexing semantics based on a
-    starting index.
+    buffer, the offset parameter supports indexing semantics based on a starting
+    index.
 
     Parameters
     ----------
@@ -63,15 +63,15 @@
         Number of indexed elements.
 
     alpha: number
-        Constant.
+        Scalar constant.
 
     x: Float32Array
         Input array.
 
-    stride: integer
-        Index increment.
+    strideX: integer
+        Stride length.
 
-    offset: integer
+    offsetX: integer
         Starting index.
 
     Returns
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/docs/types/index.d.ts b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/docs/types/index.d.ts
index ba777172f308..4cd0ee7d6f30 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/docs/types/index.d.ts
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/docs/types/index.d.ts
@@ -23,12 +23,12 @@
 */
 interface Routine {
 	/**
-	* Adds a constant to each single-precision floating-point strided array element and computes the sum.
+	* Adds a scalar constant to each single-precision floating-point strided array element and computes the sum.
 	*
 	* @param N - number of indexed elements
-	* @param alpha - constant
+	* @param alpha - scalar constant
 	* @param x - input array
-	* @param stride - stride length
+	* @param strideX - stride length
 	* @returns sum
 	*
 	* @example
@@ -39,16 +39,16 @@ interface Routine {
 	* var v = sapxsum( x.length, 5.0, x, 1 );
 	* // returns 16.0
 	*/
-	( N: number, alpha: number, x: Float32Array, stride: number ): number;
+	( N: number, alpha: number, x: Float32Array, strideX: number ): number;
 
 	/**
-	* Adds a constant to each single-precision floating-point strided array element and computes the sum using alternative indexing semantics.
+	* Adds a scalar constant to each single-precision floating-point strided array element and computes the sum using alternative indexing semantics.
 	*
 	* @param N - number of indexed elements
-	* @param alpha - constant
+	* @param alpha - scalar constant
 	* @param x - input array
-	* @param stride - stride length
-	* @param offset - starting index
+	* @param strideX - stride length
+	* @param offsetX - starting index
 	* @returns sum
 	*
 	* @example
@@ -59,16 +59,16 @@ interface Routine {
 	* var v = sapxsum.ndarray( x.length, 5.0, x, 1, 0 );
 	* // returns 16.0
 	*/
-	ndarray( N: number, alpha: number, x: Float32Array, stride: number, offset: number ): number;
+	ndarray( N: number, alpha: number, x: Float32Array, strideX: number, offsetX: number ): number;
 }
 
 /**
-* Adds a constant to each single-precision floating-point strided array element and computes the sum.
+* Adds a scalar constant to each single-precision floating-point strided array element and computes the sum.
 *
 * @param N - number of indexed elements
-* @param alpha - constant
+* @param alpha - scalar constant
 * @param x - input array
-* @param stride - stride length
+* @param strideX - stride length
 * @returns sum
 *
 * @example
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/examples/c/example.c b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/examples/c/example.c
index d77ef9e37850..25cf72b30d14 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/examples/c/example.c
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/examples/c/example.c
@@ -17,22 +17,21 @@
 */
 
 #include "stdlib/blas/ext/base/sapxsum.h"
-#include <stdint.h>
 #include <stdio.h>
 
 int main( void ) {
 	// Create a strided array:
-	const float x[] = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 };
+	const float x[] = { 1.0f, -2.0f, 3.0f, -4.0f, 5.0f, -6.0f, 7.0f, -8.0f };
 
-	// Specify the number of elements:
-	const int64_t N = 4;
+	// Specify the number of indexed elements:
+	const int N = 8;
 
-	// Specify the stride length:
-	const int64_t stride = 2;
+	// Specify a stride:
+	const int strideX = 1;
 
 	// Compute the sum:
-	float v = stdlib_strided_sapxsum( N, 5.0f, x, stride );
+	float v = stdlib_strided_sapxsum( N, 5.0f, x, strideX );
 
 	// Print the result:
-	printf( "sum: %f\n", v );
+	printf( "Sum: %f\n", v );
 }
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/examples/index.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/examples/index.js
index 9dffd93b0fc8..a188ecdfb3d4 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/examples/index.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/examples/index.js
@@ -18,11 +18,12 @@
 
 'use strict';
 
-var discreteUniform = require( '@stdlib/random/base/discrete-uniform' ).factory;
-var filledarrayBy = require( '@stdlib/array/filled-by' );
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
 var sapxsum = require( './../lib' );
 
-var x = filledarrayBy( 10, 'float32', discreteUniform( 0, 100 ) );
+var x = discreteUniform( 10, -100, 100, {
+	'dtype': 'float32'
+});
 console.log( x );
 
 var v = sapxsum( x.length, 5.0, x, 1 );
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/include/stdlib/blas/ext/base/sapxsum.h b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/include/stdlib/blas/ext/base/sapxsum.h
index 2ffe1d15b422..90ef9a49a33e 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/include/stdlib/blas/ext/base/sapxsum.h
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/include/stdlib/blas/ext/base/sapxsum.h
@@ -19,7 +19,7 @@
 #ifndef STDLIB_BLAS_EXT_BASE_SAPXSUM_H
 #define STDLIB_BLAS_EXT_BASE_SAPXSUM_H
 
-#include <stdint.h>
+#include "stdlib/blas/base/shared.h"
 
 /*
 * If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler.
@@ -31,7 +31,12 @@ extern "C" {
 /**
 * Adds a scalar constant to each single-precision floating-point strided array element and computes the sum.
 */
-float stdlib_strided_sapxsum( const int64_t N, const float alpha, const float *X, const int64_t stride );
+float API_SUFFIX(stdlib_strided_sapxsum)( const CBLAS_INT N, const float alpha, const float *X, const CBLAS_INT strideX );
+
+/**
+* Adds a scalar constant to each single-precision floating-point strided array element and computes the sum using alternative indexing semantics.
+*/
+float API_SUFFIX(stdlib_strided_sapxsum_ndarray)( const CBLAS_INT N, const float alpha, const float *X, const CBLAS_INT strideX, const CBLAS_INT offsetX );
 
 #ifdef __cplusplus
 }
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/index.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/index.js
index 4b3299cf1b73..8ffd46a53178 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/index.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/index.js
@@ -19,7 +19,7 @@
 'use strict';
 
 /**
-* Add a constant to each single-precision floating-point strided array element and compute the sum.
+* Add a scalar constant to each single-precision floating-point strided array element and compute the sum.
 *
 * @module @stdlib/blas/ext/base/sapxsum
 *
@@ -28,9 +28,8 @@
 * var sapxsum = require( '@stdlib/blas/ext/base/sapxsum' );
 *
 * var x = new Float32Array( [ 1.0, -2.0, 2.0 ] );
-* var N = x.length;
 *
-* var v = sapxsum( N, 5.0, x, 1 );
+* var v = sapxsum( x.length, 5.0, x, 1 );
 * // returns 16.0
 *
 * @example
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/ndarray.js
index a1aa827fe731..f91439d0ee00 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/ndarray.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/ndarray.js
@@ -26,13 +26,13 @@ var sapxsumkbn = require( '@stdlib/blas/ext/base/sapxsumkbn' ).ndarray;
 // MAIN //
 
 /**
-* Adds a constant to each single-precision floating-point strided array element and computes the sum.
+* Adds a scalar constant to each single-precision floating-point strided array element and computes the sum.
 *
 * @param {PositiveInteger} N - number of indexed elements
-* @param {number} alpha - constant
+* @param {number} alpha - scalar constant
 * @param {Float32Array} x - input array
-* @param {integer} stride - stride length
-* @param {NonNegativeInteger} offset - starting index
+* @param {integer} strideX - stride length
+* @param {NonNegativeInteger} offsetX - starting index
 * @returns {number} sum
 *
 * @example
@@ -43,8 +43,8 @@ var sapxsumkbn = require( '@stdlib/blas/ext/base/sapxsumkbn' ).ndarray;
 * var v = sapxsum( 4, 5.0, x, 2, 1 );
 * // returns 25.0
 */
-function sapxsum( N, alpha, x, stride, offset ) {
-	return sapxsumkbn( N, alpha, x, stride, offset );
+function sapxsum( N, alpha, x, strideX, offsetX ) {
+	return sapxsumkbn( N, alpha, x, strideX, offsetX );
 }
 
 
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/ndarray.native.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/ndarray.native.js
index 3eea08a9333a..e8c4ec754704 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/ndarray.native.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/ndarray.native.js
@@ -20,21 +20,19 @@
 
 // MODULES //
 
-var minViewBufferIndex = require( '@stdlib/strided/base/min-view-buffer-index' );
-var offsetView = require( '@stdlib/strided/base/offset-view' );
-var addon = require( './sapxsum.native.js' );
+var addon = require( './../src/addon.node' );
 
 
 // MAIN //
 
 /**
-* Adds a constant to each single-precision floating-point strided array element and computes the sum.
+* Adds a scalar constant to each single-precision floating-point strided array element and computes the sum.
 *
 * @param {PositiveInteger} N - number of indexed elements
-* @param {number} alpha - constant
+* @param {number} alpha - scalar constant
 * @param {Float32Array} x - input array
-* @param {integer} stride - stride length
-* @param {NonNegativeInteger} offset - starting index
+* @param {integer} strideX - stride length
+* @param {NonNegativeInteger} offsetX - starting index
 * @returns {number} sum
 *
 * @example
@@ -45,11 +43,8 @@ var addon = require( './sapxsum.native.js' );
 * var v = sapxsum( 4, 5.0, x, 2, 1 );
 * // returns 25.0
 */
-function sapxsum( N, alpha, x, stride, offset ) {
-	var view;
-	offset = minViewBufferIndex( N, stride, offset );
-	view = offsetView( x, offset );
-	return addon( N, alpha, view, stride );
+function sapxsum( N, alpha, x, strideX, offsetX ) {
+	return addon.ndarray( N, alpha, x, strideX, offsetX );
 }
 
 
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/sapxsum.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/sapxsum.js
index 383db5413bf4..68082e4277ce 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/sapxsum.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/sapxsum.js
@@ -20,31 +20,31 @@
 
 // MODULES //
 
-var sapxsumkbn = require( '@stdlib/blas/ext/base/sapxsumkbn' );
+var stride2offset = require( '@stdlib/strided/base/stride2offset' );
+var ndarray = require( './ndarray.js' );
 
 
 // MAIN //
 
 /**
-* Adds a constant to each single-precision floating-point strided array element and computes the sum.
+* Adds a scalar constant to each single-precision floating-point strided array element and computes the sum.
 *
 * @param {PositiveInteger} N - number of indexed elements
-* @param {number} alpha - constant
+* @param {number} alpha - scalar constant
 * @param {Float32Array} x - input array
-* @param {integer} stride - stride length
+* @param {integer} strideX - stride length
 * @returns {number} sum
 *
 * @example
 * var Float32Array = require( '@stdlib/array/float32' );
 *
 * var x = new Float32Array( [ 1.0, -2.0, 2.0 ] );
-* var N = x.length;
 *
-* var v = sapxsum( N, 5.0, x, 1 );
+* var v = sapxsum( x.length, 5.0, x, 1 );
 * // returns 16.0
 */
-function sapxsum( N, alpha, x, stride ) {
-	return sapxsumkbn( N, alpha, x, stride );
+function sapxsum( N, alpha, x, strideX ) {
+	return ndarray( N, alpha, x, strideX, stride2offset( N, strideX ) );
 }
 
 
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/sapxsum.native.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/sapxsum.native.js
index d8883d0be826..747599450c73 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/sapxsum.native.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/lib/sapxsum.native.js
@@ -26,25 +26,24 @@ var addon = require( './../src/addon.node' );
 // MAIN //
 
 /**
-* Adds a constant to each single-precision floating-point strided array element and computes the sum.
+* Adds a scalar constant to each single-precision floating-point strided array element and computes the sum.
 *
 * @param {PositiveInteger} N - number of indexed elements
-* @param {number} alpha - constant
+* @param {number} alpha - scalar constant
 * @param {Float32Array} x - input array
-* @param {integer} stride - stride length
+* @param {integer} strideX - stride length
 * @returns {number} sum
 *
 * @example
 * var Float32Array = require( '@stdlib/array/float32' );
 *
 * var x = new Float32Array( [ 1.0, -2.0, 2.0 ] );
-* var N = x.length;
 *
-* var v = sapxsum( N, 5.0, x, 1 );
+* var v = sapxsum( x.length, 5.0, x, 1 );
 * // returns 16.0
 */
-function sapxsum( N, alpha, x, stride ) {
-	return addon( N, alpha, x, stride );
+function sapxsum( N, alpha, x, strideX ) {
+	return addon( N, alpha, x, strideX );
 }
 
 
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/manifest.json b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/manifest.json
index c4a950608abe..73be58e72bc1 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/manifest.json
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/manifest.json
@@ -28,14 +28,12 @@
     {
       "task": "build",
       "src": [
-        "./src/sapxsum.c"
+        "./src/main.c"
       ],
       "include": [
         "./include"
       ],
-      "libraries": [
-        "-lm"
-      ],
+      "libraries": [],
       "libpath": [],
       "dependencies": [
         "@stdlib/blas/ext/base/sapxsumkbn",
@@ -43,39 +41,42 @@
         "@stdlib/napi/argv",
         "@stdlib/napi/argv-int64",
         "@stdlib/napi/argv-strided-float32array",
-        "@stdlib/napi/argv-float"
+        "@stdlib/napi/argv-float",
+        "@stdlib/napi/create-double",
+        "@stdlib/strided/base/stride2offset",
+        "@stdlib/blas/base/shared"
       ]
     },
     {
       "task": "benchmark",
       "src": [
-        "./src/sapxsum.c"
+        "./src/main.c"
       ],
       "include": [
         "./include"
       ],
-      "libraries": [
-        "-lm"
-      ],
+      "libraries": [],
       "libpath": [],
       "dependencies": [
-        "@stdlib/blas/ext/base/sapxsumkbn"
+        "@stdlib/blas/ext/base/sapxsumkbn",
+        "@stdlib/strided/base/stride2offset",
+        "@stdlib/blas/base/shared"
       ]
     },
     {
       "task": "examples",
       "src": [
-        "./src/sapxsum.c"
+        "./src/main.c"
       ],
       "include": [
         "./include"
       ],
-      "libraries": [
-        "-lm"
-      ],
+      "libraries": [],
       "libpath": [],
       "dependencies": [
-        "@stdlib/blas/ext/base/sapxsumkbn"
+        "@stdlib/blas/ext/base/sapxsumkbn",
+        "@stdlib/strided/base/stride2offset",
+        "@stdlib/blas/base/shared"
       ]
     }
   ]
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/src/addon.c b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/src/addon.c
index 551bdd7ef326..fd0e466b19b7 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/src/addon.c
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/src/addon.c
@@ -17,13 +17,14 @@
 */
 
 #include "stdlib/blas/ext/base/sapxsum.h"
+#include "stdlib/blas/base/shared.h"
 #include "stdlib/napi/export.h"
 #include "stdlib/napi/argv.h"
 #include "stdlib/napi/argv_float.h"
 #include "stdlib/napi/argv_int64.h"
 #include "stdlib/napi/argv_strided_float32array.h"
+#include "stdlib/napi/create_double.h"
 #include <node_api.h>
-#include <assert.h>
 
 /**
 * Receives JavaScript callback invocation data.
@@ -38,12 +39,26 @@ static napi_value addon( napi_env env, napi_callback_info info ) {
 	STDLIB_NAPI_ARGV_FLOAT( env, alpha, argv, 1 );
 	STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 3 );
 	STDLIB_NAPI_ARGV_STRIDED_FLOAT32ARRAY( env, X, N, strideX, argv, 2 );
+	STDLIB_NAPI_CREATE_DOUBLE( env, (double)API_SUFFIX(stdlib_strided_sapxsum)( N, alpha, X, strideX ), v );
+	return v;
+}
 
-	napi_value v;
-	napi_status status = napi_create_double( env, (double)stdlib_strided_sapxsum( N, alpha, X, strideX ), &v );
-	assert( status == napi_ok );
-
+/**
+* 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_method( napi_env env, napi_callback_info info ) {
+	STDLIB_NAPI_ARGV( env, info, argv, argc, 5 );
+	STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 );
+	STDLIB_NAPI_ARGV_FLOAT( env, alpha, argv, 1 );
+	STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 3 );
+	STDLIB_NAPI_ARGV_INT64( env, offsetX, argv, 4 );
+	STDLIB_NAPI_ARGV_STRIDED_FLOAT32ARRAY( env, X, N, strideX, argv, 2 );
+	STDLIB_NAPI_CREATE_DOUBLE( env, (double)API_SUFFIX(stdlib_strided_sapxsum_ndarray)( N, alpha, X, strideX, offsetX ), v );
 	return v;
 }
 
-STDLIB_NAPI_MODULE_EXPORT_FCN( addon )
+STDLIB_NAPI_MODULE_EXPORT_FCN_WITH_METHOD( addon, "ndarray", addon_method );
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/src/main.c b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/src/main.c
new file mode 100644
index 000000000000..918b2fb6a69f
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/src/main.c
@@ -0,0 +1,50 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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/sapxsum.h"
+#include "stdlib/blas/ext/base/sapxsumkbn.h"
+#include "stdlib/strided/base/stride2offset.h"
+#include "stdlib/blas/base/shared.h"
+
+/**
+* Adds a scalar constant to each single-precision floating-point strided array element and computes the sum.
+*
+* @param N        number of indexed elements
+* @param alpha    scalar constant
+* @param X        input array
+* @param strideX  stride length
+* @return         output value
+*/
+float API_SUFFIX(stdlib_strided_sapxsum)( const CBLAS_INT N, const float alpha, const float *X, const CBLAS_INT strideX ) {
+	CBLAS_INT ox = stdlib_strided_stride2offset( N, strideX );
+	return API_SUFFIX(stdlib_strided_sapxsum_ndarray)( N, alpha, X, strideX, ox );
+}
+
+/**
+* Adds a scalar constant to each single-precision floating-point strided array element and computes the sum using alternative indexing semantics.
+*
+* @param N        number of indexed elements
+* @param alpha    scalar constant
+* @param X        input array
+* @param strideX  stride length
+* @param offsetX  starting index
+* @return         output value
+*/
+float API_SUFFIX(stdlib_strided_sapxsum_ndarray)( const CBLAS_INT N, const float alpha, const float *X, const CBLAS_INT strideX, const CBLAS_INT offsetX ) {
+	return API_SUFFIX(stdlib_strided_sapxsumkbn_ndarray)( N, alpha, X, strideX, offsetX );
+}
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/src/sapxsum.c b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/src/sapxsum.c
deleted file mode 100644
index 8f92a5add7d2..000000000000
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/src/sapxsum.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/**
-* @license Apache-2.0
-*
-* Copyright (c) 2020 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/sapxsum.h"
-#include "stdlib/blas/ext/base/sapxsumkbn.h"
-#include <stdint.h>
-
-/**
-* Adds a constant to each single-precision floating-point strided array element and computes the sum.
-*
-* @param N       number of indexed elements
-* @param alpha   constant
-* @param X       input array
-* @param stride  stride length
-* @return        output value
-*/
-float stdlib_strided_sapxsum( const int64_t N, const float alpha, const float *X, const int64_t stride ) {
-	return stdlib_strided_sapxsumkbn( N, alpha, X, stride );
-}
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.ndarray.js
index 6b1841d188ca..e934787b6ee6 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.ndarray.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.ndarray.js
@@ -135,14 +135,14 @@ tape( 'the function supports a negative `stride` parameter', function test( t )
 	t.end();
 });
 
-tape( 'if provided a `stride` parameter equal to `0`, the function returns the first indexed element plus a constant', function test( t ) {
+tape( 'if provided a `stride` parameter equal to `0`, the function returns the first indexed element plus a constant repeated N times', function test( t ) {
 	var x;
 	var v;
 
 	x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] );
 
 	v = sapxsum( x.length, 5.0, x, 0, 0 );
-	t.strictEqual( v, 6.0, 'returns expected value' );
+	t.strictEqual( v, x.length * (x[0]+5.0), 'returns expected value' );
 
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.ndarray.native.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.ndarray.native.js
index 6d6e3d7349d3..41408fb8dde6 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.ndarray.native.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.ndarray.native.js
@@ -144,14 +144,14 @@ tape( 'the function supports a negative `stride` parameter', opts, function test
 	t.end();
 });
 
-tape( 'if provided a `stride` parameter equal to `0`, the function returns the first indexed element plus a constant', opts, function test( t ) {
+tape( 'if provided a `stride` parameter equal to `0`, the function returns the first indexed element plus a constant repeated N times', opts, function test( t ) {
 	var x;
 	var v;
 
 	x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] );
 
 	v = sapxsum( x.length, 5.0, x, 0, 0 );
-	t.strictEqual( v, 6.0, 'returns expected value' );
+	t.strictEqual( v, x.length * (x[0]+5.0), 'returns expected value' );
 
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.sapxsum.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.sapxsum.js
index e69c204bcc8f..9ffab4c34652 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.sapxsum.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.sapxsum.js
@@ -135,14 +135,14 @@ tape( 'the function supports a negative `stride` parameter', function test( t )
 	t.end();
 });
 
-tape( 'if provided a `stride` parameter equal to `0`, the function returns the first element plus a constant', function test( t ) {
+tape( 'if provided a `stride` parameter equal to `0`, the function returns the first indexed element plus a constant repeated N times', function test( t ) {
 	var x;
 	var v;
 
 	x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] );
 
 	v = sapxsum( x.length, 5.0, x, 0 );
-	t.strictEqual( v, 6.0, 'returns expected value' );
+	t.strictEqual( v, x.length * (x[0]+5.0), 'returns expected value' );
 
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.sapxsum.native.js b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.sapxsum.native.js
index 5776424c10a5..ea4af83e62e1 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.sapxsum.native.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/sapxsum/test/test.sapxsum.native.js
@@ -253,14 +253,14 @@ tape( 'the function supports a negative `stride` parameter', opts, function test
 	t.end();
 });
 
-tape( 'if provided a `stride` parameter equal to `0`, the function returns the first element plus a constant', opts, function test( t ) {
+tape( 'if provided a `stride` parameter equal to `0`, the function returns the first indexed element plus a constant repeated N times', opts, function test( t ) {
 	var x;
 	var v;
 
 	x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] );
 
 	v = sapxsum( x.length, 5.0, x, 0 );
-	t.strictEqual( v, 6.0, 'returns expected value' );
+	t.strictEqual( v, x.length * (x[0]+5.0), 'returns expected value' );
 
 	t.end();
 });