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stdlib-js · Mar 23, 2024 · a53982a · a53982a
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diff --git a/ext/base/scusumkbn2/README.md b/ext/base/scusumkbn2/README.md
@@ -65,18 +65,15 @@ The function has the following parameters:
 -   **y**: output [`Float32Array`][@stdlib/array/float32].
 -   **strideY**: index increment for `y`.
 
-The `N` and `stride` parameters determine which elements in `x` and `y` are accessed at runtime. For example, to compute the cumulative sum of every other element in `x`,
+The `N` and stride parameters determine which elements in the strided arrays are accessed at runtime. For example, to compute the cumulative sum of every other element in `x`,
 
 ```javascript
 var Float32Array = require( '@stdlib/array/float32' );
-var floor = require( '@stdlib/math/base/special/floor' );
 
 var x = new Float32Array( [ 1.0, 2.0, 2.0, -7.0, -2.0, 3.0, 4.0, 2.0 ] );
 var y = new Float32Array( x.length );
 
-var N = floor( x.length / 2 );
-
-var v = scusumkbn2( N, 0.0, x, 2, y, 1 );
+var v = scusumkbn2( 4, 0.0, x, 2, y, 1 );
 // y => <Float32Array>[ 1.0, 3.0, 1.0, 5.0, 0.0, 0.0, 0.0, 0.0 ]
 ```
 
@@ -86,7 +83,6 @@ Note that indexing is relative to the first index. To introduce an offset, use [
 
 ```javascript
 var Float32Array = require( '@stdlib/array/float32' );
-var floor = require( '@stdlib/math/base/special/floor' );
 
 // Initial arrays...
 var x0 = new Float32Array( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0 ] );
@@ -96,9 +92,7 @@ var y0 = new Float32Array( x0.length );
 var x1 = new Float32Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element
 var y1 = new Float32Array( y0.buffer, y0.BYTES_PER_ELEMENT*3 ); // start at 4th element
 
-var N = floor( x0.length / 2 );
-
-scusumkbn2( N, 0.0, x1, -2, y1, 1 );
+scusumkbn2( 4, 0.0, x1, -2, y1, 1 );
 // y0 => <Float32Array>[ 0.0, 0.0, 0.0, 4.0, 6.0, 4.0, 5.0, 0.0 ]
 ```
 
@@ -110,9 +104,9 @@ Computes the cumulative sum of single-precision floating-point strided array ele
 var Float32Array = require( '@stdlib/array/float32' );
 
 var x = new Float32Array( [ 1.0, -2.0, 2.0 ] );
-var y = new Float32Array( x.length );
+var y = new Float32Array( 3 );
 
-scusumkbn2.ndarray( x.length, 0.0, x, 1, 0, y, 1, 0 );
+scusumkbn2.ndarray( 3, 0.0, x, 1, 0, y, 1, 0 );
 // y => <Float32Array>[ 1.0, -1.0, 1.0 ]
 ```
 
@@ -121,18 +115,15 @@ The function has the following additional parameters:
 -   **offsetX**: starting index for `x`.
 -   **offsetY**: starting index for `y`.
 
-While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying `buffer`, `offsetX` and `offsetY` parameters support indexing semantics based on a starting indices. For example, to calculate the cumulative sum of every other value in `x` starting from the second value and to store in the last `N` elements of `y` starting from the last element
+While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying `buffer`, offset parameters support indexing semantics based on a starting indices. For example, to calculate the cumulative sum of every other value in `x` starting from the second value and to store in the last `N` elements of `y` starting from the last element
 
 ```javascript
 var Float32Array = require( '@stdlib/array/float32' );
-var floor = require( '@stdlib/math/base/special/floor' );
 
 var x = new Float32Array( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0 ] );
 var y = new Float32Array( x.length );
 
-var N = floor( x.length / 2 );
-
-scusumkbn2.ndarray( N, 0.0, x, 2, 1, y, -1, y.length-1 );
+scusumkbn2.ndarray( 4, 0.0, x, 2, 1, y, -1, y.length-1 );
 // y => <Float32Array>[ 0.0, 0.0, 0.0, 0.0, 5.0, 1.0, -1.0, 1.0 ]
 ```
 
@@ -157,21 +148,16 @@ scusumkbn2.ndarray( N, 0.0, x, 2, 1, y, -1, y.length-1 );
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var randu = require( '@stdlib/random/base/randu' );
-var round = require( '@stdlib/math/base/special/round' );
-var Float32Array = require( '@stdlib/array/float32' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' ).factory;
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var scusumkbn2 = require( '@stdlib/blas/ext/base/scusumkbn2' );
 
-var y;
-var x;
-var i;
+var x = filledarrayBy( 10, 'float32', discreteUniform( 0, 100 ) );
 
-x = new Float32Array( 10 );
-y = new Float32Array( x.length );
-for ( i = 0; i < x.length; i++ ) {
-    x[ i ] = round( randu()*100.0 );
-}
 console.log( x );
+
+var y = filledarrayBy( x.length, 'float32', discreteUniform( 0, 10 ) );
+
 console.log( y );
 
 scusumkbn2( x.length, 0.0, x, 1, y, -1 );

diff --git a/ext/base/scusumkbn2/benchmark/benchmark.js b/ext/base/scusumkbn2/benchmark/benchmark.js
@@ -21,14 +21,19 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/base/uniform' ).factory;
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var Float32Array = require( '@stdlib/array/float32' );
 var pkg = require( './../package.json' ).name;
 var scusumkbn2 = require( './../lib/scusumkbn2.js' );
 
 
+// VARIABLES //
+
+var rand = uniform( -100.0, 100.0 );
+
+
 // FUNCTIONS //
 
 /**
@@ -39,15 +44,8 @@ var scusumkbn2 = require( './../lib/scusumkbn2.js' );
 * @returns {Function} benchmark function
 */
 function createBenchmark( len ) {
-	var y;
-	var x;
-	var i;
-
-	x = new Float32Array( len );
-	y = new Float32Array( len );
-	for ( i = 0; i < x.length; i++ ) {
-		x[ i ] = ( randu()*20.0 ) - 10.0;
-	}
+	var x = filledarrayBy( len, 'float32', rand );
+	var y = filledarrayBy( len, 'float32', rand );
 	return benchmark;
 
 	function benchmark( b ) {

diff --git a/ext/base/scusumkbn2/benchmark/benchmark.native.js b/ext/base/scusumkbn2/benchmark/benchmark.native.js
@@ -22,10 +22,10 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/base/uniform' ).factory;
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var Float32Array = require( '@stdlib/array/float32' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var pkg = require( './../package.json' ).name;
 
@@ -36,6 +36,7 @@ var scusumkbn2 = tryRequire( resolve( __dirname, './../lib/scusumkbn2.native.js'
 var opts = {
 	'skip': ( scusumkbn2 instanceof Error )
 };
+var rand = uniform( -100.0, 100.0 );
 
 
 // FUNCTIONS //
@@ -48,15 +49,8 @@ var opts = {
 * @returns {Function} benchmark function
 */
 function createBenchmark( len ) {
-	var x;
-	var y;
-	var i;
-
-	x = new Float32Array( len );
-	y = new Float32Array( len );
-	for ( i = 0; i < x.length; i++ ) {
-		x[ i ] = ( randu()*20.0 ) - 10.0;
-	}
+	var x = filledarrayBy( len, 'float32', rand );
+	var y = filledarrayBy( len, 'float32', rand );
 	return benchmark;
 
 	function benchmark( b ) {

diff --git a/ext/base/scusumkbn2/benchmark/benchmark.ndarray.js b/ext/base/scusumkbn2/benchmark/benchmark.ndarray.js
@@ -21,14 +21,19 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/base/uniform' ).factory;
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var Float32Array = require( '@stdlib/array/float32' );
 var pkg = require( './../package.json' ).name;
 var scusumkbn2 = require( './../lib/ndarray.js' );
 
 
+// VARIABLES //
+
+var rand = uniform( -100.0, 100.0 );
+
+
 // FUNCTIONS //
 
 /**
@@ -39,15 +44,8 @@ var scusumkbn2 = require( './../lib/ndarray.js' );
 * @returns {Function} benchmark function
 */
 function createBenchmark( len ) {
-	var x;
-	var y;
-	var i;
-
-	x = new Float32Array( len );
-	y = new Float32Array( len );
-	for ( i = 0; i < x.length; i++ ) {
-		x[ i ] = ( randu()*20.0 ) - 10.0;
-	}
+	var x = filledarrayBy( len, 'float32', rand );
+	var y = filledarrayBy( len, 'float32', rand );
 	return benchmark;
 
 	function benchmark( b ) {

diff --git a/ext/base/scusumkbn2/benchmark/benchmark.ndarray.native.js b/ext/base/scusumkbn2/benchmark/benchmark.ndarray.native.js
@@ -22,10 +22,10 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/base/uniform' ).factory;
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var Float32Array = require( '@stdlib/array/float32' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var pkg = require( './../package.json' ).name;
 
@@ -36,6 +36,7 @@ var scusumkbn2 = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' )
 var opts = {
 	'skip': ( scusumkbn2 instanceof Error )
 };
+var rand = uniform( -100.0, 100.0 );
 
 
 // FUNCTIONS //
@@ -48,15 +49,8 @@ var opts = {
 * @returns {Function} benchmark function
 */
 function createBenchmark( len ) {
-	var x;
-	var y;
-	var i;
-
-	x = new Float32Array( len );
-	y = new Float32Array( len );
-	for ( i = 0; i < x.length; i++ ) {
-		x[ i ] = ( randu()*20.0 ) - 10.0;
-	}
+	var x = filledarrayBy( len, 'float32', rand );
+	var y = filledarrayBy( len, 'float32', rand );
 	return benchmark;
 
 	function benchmark( b ) {

diff --git a/ext/base/scusumkbn2/docs/repl.txt b/ext/base/scusumkbn2/docs/repl.txt
@@ -1,13 +1,13 @@
 
 {{alias}}( N, sum, x, strideX, y, strideY )
-    Computes the cumulative sum of single-precision floating-point strided array
-    elements using a second-order iterative Kahan–Babuška algorithm.
+    Computes the cumulative sum of single-precision floating-point strided 
+    array elements using a second-order iterative Kahan–Babuška algorithm.
 
-    The `N` and `stride` parameters determine which elements in `x` and `y` are
-    accessed at runtime.
+    The `N` and stride parameters determine which elements in the strided
+    arrays are accessed at runtime.
 
-    Indexing is relative to the first index. To introduce an offset, use a typed
-    array view.
+    Indexing is relative to the first index. To introduce an offset, use 
+    a typed array view.
 
     If `N <= 0`, the function returns `y` unchanged.
 
@@ -44,11 +44,10 @@
     > {{alias}}( x.length, 0.0, x, 1, y, 1 )
     <Float32Array>[ 1.0, -1.0, 1.0 ]
 
-    // Using `N` and `stride` parameters:
+    // Using `N` and stride parameters:
     > x = new {{alias:@stdlib/array/float32}}( [ -2.0, 1.0, 1.0, -5.0, 2.0, -1.0 ] );
     > y = new {{alias:@stdlib/array/float32}}( x.length );
-    > var N = {{alias:@stdlib/math/base/special/floor}}( x.length / 2 );
-    > {{alias}}( N, 0.0, x, 2, y, 2 )
+    > {{alias}}( 3, 0.0, x, 2, y, 2 )
     <Float32Array>[ -2.0, 0.0, -1.0, 0.0, 1.0, 0.0 ]
 
     // Using view offsets:
@@ -62,14 +61,16 @@
     > y0
     <Float32Array>[ 0.0, 0.0, 0.0, -2.0, 0.0, -1.0 ]
 
+
 {{alias}}.ndarray( N, sum, x, strideX, offsetX, y, strideY, offsetY )
-    Computes the cumulative sum of single-precision floating-point strided array
-    elements using a second-order iterative Kahan–Babuška algorithm and
+    Computes the cumulative sum of single-precision floating-point strided
+    array elements using a second-order iterative Kahan–Babuška algorithm and
     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 `offsetX` and `offsetY` parameter supports indexing semantics
+    based on starting indices.
+
 
     Parameters
     ----------
@@ -97,11 +98,13 @@
     offsetY: integer
         Starting index for `y`.
 
+
     Returns
     -------
     out: Float32Array
         Output array.
 
+
     Examples
     --------
     // Standard Usage:
@@ -113,10 +116,10 @@
     // Advanced indexing:
     > x = new {{alias:@stdlib/array/float32}}( [ 1.0, -2.0, 3.0, 2.0, 5.0, -1.0 ] );
     > y = new {{alias:@stdlib/array/float32}}( x.length );
-    > var N = {{alias:@stdlib/math/base/special/floor}}( x.length / 2 );
-    > {{alias}}.ndarray( N, 0.0, x, 2, 1, y, -1, y.length-1 )
+    > {{alias}}.ndarray( 3, 0.0, x, 2, 1, y, -1, y.length-1 )
     <Float32Array>[ 0.0, 0.0, 0.0, -1.0, 0.0, -2.0 ]
 
+
     See Also
     --------
 
diff --git a/ext/base/scusumkbn2/examples/index.js b/ext/base/scusumkbn2/examples/index.js
@@ -18,21 +18,14 @@
 
 'use strict';
 
-var randu = require( '@stdlib/random/base/randu' );
-var round = require( '@stdlib/math/base/special/round' );
-var Float32Array = require( '@stdlib/array/float32' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' ).factory;
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var scusumkbn2 = require( './../lib' );
 
-var y;
-var x;
-var i;
-
-x = new Float32Array( 10 );
-y = new Float32Array( x.length );
-for ( i = 0; i < x.length; i++ ) {
-	x[ i ] = round( randu()*100.0 );
-}
+var x = filledarrayBy( 10, 'float32', discreteUniform( 0, 100 ) );
 console.log( x );
+
+var y = filledarrayBy( x.length, 'float32', discreteUniform( 0, 10 ) );
 console.log( y );
 
 scusumkbn2( x.length, 0.0, x, 1, y, -1 );

diff --git a/ext/base/scusumkbn2/include.gypi b/ext/base/scusumkbn2/include.gypi
@@ -36,7 +36,7 @@
 
     # Source files:
     'src_files': [
-      '<(src_dir)/addon.cpp',
+      '<(src_dir)/addon.c',
       '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).src; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
     ],