refactor: update blas/ext/base/dnannsumkbn2 to follow current project…

lib/node_modules/@stdlib/blas/ext/base/dnannsumkbn2/README.md

@@ -58,17 +58,15 @@ The function has the following parameters:
 -   **out**: output [`Float64Array`][@stdlib/array/float64] whose first element is the sum and whose second element is the number of non-NaN elements.
 -   **strideOut**: index increment for `out`.
 
-The `N` and `stride` parameters determine which elements are accessed at runtime. For example, to compute the sum of every other element in `x`,
+The `N` and stride parameters determine which elements are accessed at runtime. For example, to compute the sum of every other element in `x`,
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );
-var floor = require( '@stdlib/math/base/special/floor' );
 
 var x = new Float64Array( [ 1.0, 2.0, NaN, -7.0, NaN, 3.0, 4.0, 2.0 ] );
 var out = new Float64Array( 2 );
-var N = floor( x.length / 2 );
 
-var v = dnannsumkbn2( N, x, 2, out, 1 );
+var v = dnannsumkbn2( 4, x, 2, out, 1 );
 // returns <Float64Array>[ 5.0, 2 ]
 ```
 
@@ -78,17 +76,14 @@ Note that indexing is relative to the first index. To introduce an offset, use [
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );
-var floor = require( '@stdlib/math/base/special/floor' );
 
 var x0 = new Float64Array( [ 2.0, 1.0, NaN, -2.0, -2.0, 2.0, 3.0, 4.0 ] );
 var x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element
 
 var out0 = new Float64Array( 4 );
 var out1 = new Float64Array( out0.buffer, out0.BYTES_PER_ELEMENT*2 ); // start at 3rd element
 
-var N = floor( x0.length / 2 );
-
-var v = dnannsumkbn2( N, x1, 2, out1, 1 );
+var v = dnannsumkbn2( 4, x1, 2, out1, 1 );
 // returns <Float64Array>[ 5.0, 4 ]
 ```
 
@@ -115,13 +110,11 @@ While [`typed array`][mdn-typed-array] views mandate a view offset based on the
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );
-var floor = require( '@stdlib/math/base/special/floor' );
 
 var x = new Float64Array( [ 2.0, 1.0, NaN, -2.0, -2.0, 2.0, 3.0, 4.0 ] );
 var out = new Float64Array( 4 );
-var N = floor( x.length / 2 );
 
-var v = dnannsumkbn2.ndarray( N, x, 2, 1, out, 2, 1 );
+var v = dnannsumkbn2.ndarray( 4, x, 2, 1, out, 2, 1 );
 // returns <Float64Array>[ 0.0, 5.0, 0.0, 4 ]
 ```
 
@@ -146,22 +139,20 @@ var v = dnannsumkbn2.ndarray( N, x, 2, 1, out, 2, 1 );
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var randu = require( '@stdlib/random/base/randu' );
-var round = require( '@stdlib/math/base/special/round' );
+var bernoulli = require( '@stdlib/random/base/bernoulli' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var Float64Array = require( '@stdlib/array/float64' );
 var dnannsumkbn2 = require( '@stdlib/blas/ext/base/dnannsumkbn2' );
 
-var x;
-var i;
-
-x = new Float64Array( 10 );
-for ( i = 0; i < x.length; i++ ) {
-    if ( randu() < 0.2 ) {
-        x[ i ] = NaN;
-    } else {
-        x[ i ] = round( randu()*100.0 );
+function rand() {
+    if ( bernoulli( 0.8 ) > 0 ) {
+        return discreteUniform( 0, 100 );
     }
+    return NaN;
 }
+
+var x = filledarrayBy( 10, 'float64', rand );
 console.log( x );
 
 var out = new Float64Array( 2 );

lib/node_modules/@stdlib/blas/ext/base/dnannsumkbn2/benchmark/benchmark.js

@@ -21,7 +21,9 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var bernoulli = require( '@stdlib/random/base/bernoulli' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
@@ -41,16 +43,15 @@ var dnannsumkbn2 = require( './../lib/dnannsumkbn2.js' );
 function createBenchmark( len ) {
 	var out;
 	var x;
-	var i;
 
-	x = new Float64Array( len );
-	for ( i = 0; i < len; i++ ) {
-		if ( randu() < 0.2 ) {
-			x[ i ] = NaN;
-		} else {
-			x[ i ] = ( randu()*10.0 ) - 20.0;
+	function clbk() {
+		if ( bernoulli( 0.7 ) > 0 ) {
+			return discreteUniform( -10, 10 );
 		}
+		return NaN;
 	}
+
+	x = filledarrayBy( len, 'float64', clbk );
 	out = new Float64Array( 2 );
 	return benchmark;
 

lib/node_modules/@stdlib/blas/ext/base/dnannsumkbn2/benchmark/benchmark.native.js

@@ -22,7 +22,9 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var bernoulli = require( '@stdlib/random/base/bernoulli' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
@@ -50,16 +52,15 @@ var opts = {
 function createBenchmark( len ) {
 	var out;
 	var x;
-	var i;
 
-	x = new Float64Array( len );
-	for ( i = 0; i < len; i++ ) {
-		if ( randu() < 0.2 ) {
-			x[ i ] = NaN;
-		} else {
-			x[ i ] = ( randu()*10.0 ) - 20.0;
+	function clbk() {
+		if ( bernoulli( 0.7 ) > 0 ) {
+			return discreteUniform( -10, 10 );
 		}
+		return NaN;
 	}
+
+	x = filledarrayBy( len, 'float64', clbk );
 	out = new Float64Array( 2 );
 	return benchmark;
 

lib/node_modules/@stdlib/blas/ext/base/dnannsumkbn2/benchmark/benchmark.ndarray.js

@@ -21,7 +21,9 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var bernoulli = require( '@stdlib/random/base/bernoulli' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
@@ -41,16 +43,15 @@ var dnannsumkbn2 = require( './../lib/ndarray.js' );
 function createBenchmark( len ) {
 	var out;
 	var x;
-	var i;
 
-	x = new Float64Array( len );
-	for ( i = 0; i < len; i++ ) {
-		if ( randu() < 0.2 ) {
-			x[ i ] = NaN;
-		} else {
-			x[ i ] = ( randu()*10.0 ) - 20.0;
+	function clbk() {
+		if ( bernoulli( 0.7 ) > 0 ) {
+			return discreteUniform( -10, 10 );
 		}
+		return NaN;
 	}
+
+	x = filledarrayBy( len, 'float64', clbk );
 	out = new Float64Array( 2 );
 	return benchmark;
 

lib/node_modules/@stdlib/blas/ext/base/dnannsumkbn2/benchmark/benchmark.ndarray.native.js

@@ -22,7 +22,9 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var bernoulli = require( '@stdlib/random/base/bernoulli' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var Float64Array = require( '@stdlib/array/float64' );
@@ -50,16 +52,15 @@ var opts = {
 function createBenchmark( len ) {
 	var out;
 	var x;
-	var i;
 
-	x = new Float64Array( len );
-	for ( i = 0; i < len; i++ ) {
-		if ( randu() < 0.2 ) {
-			x[ i ] = NaN;
-		} else {
-			x[ i ] = ( randu()*10.0 ) - 20.0;
+	function clbk() {
+		if ( bernoulli( 0.7 ) > 0 ) {
+			return discreteUniform( -10, 10 );
 		}
+		return NaN;
 	}
+
+	x = filledarrayBy( len, 'float64', clbk );
 	out = new Float64Array( 2 );
 	return benchmark;
 

lib/node_modules/@stdlib/blas/ext/base/dnannsumkbn2/docs/repl.txt

@@ -4,8 +4,8 @@
     ignoring `NaN` values and using a second-order iterative Kahan–Babuška
     algorithm.
 
-    The `N` and `stride` parameters determine which elements 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.
@@ -46,26 +46,25 @@
     // Using `N` and `stride` parameters:
     > x = new {{alias:@stdlib/array/float64}}( [ -2.0, 1.0, 1.0, -5.0, 2.0, -1.0, NaN, NaN ] );
     > out = new {{alias:@stdlib/array/float64}}( 2 );
-    > var N = {{alias:@stdlib/math/base/special/floor}}( x.length / 2 );
-    > {{alias}}( N, x, 2, out, 1 )
+    > {{alias}}( 4, x, 2, out, 1 )
     <Float64Array>[ 1.0, 3 ]
 
     // Using view offsets:
     > var x0 = new {{alias:@stdlib/array/float64}}( [ 1.0, -2.0, 3.0, 2.0, 5.0, 1.0, NaN, NaN ] );
     > var x1 = new {{alias:@stdlib/array/float64}}( x0.buffer, x0.BYTES_PER_ELEMENT*1 );
-    > N = {{alias:@stdlib/math/base/special/floor}}( x0.length / 2 );
     > out = new {{alias:@stdlib/array/float64}}( 2 );
-    > {{alias}}( N, x1, 2, out, 1 )
+    > {{alias}}( 4, x1, 2, out, 1 )
     <Float64Array>[ 1.0, 3 ]
 
+
 {{alias}}.ndarray( N, x, strideX, offsetX, out, strideOut, offsetOut )
     Computes the sum of double-precision floating-point strided array elements,
     ignoring `NaN` values and 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 offset parameters supports indexing semantics
+    based on a starting index.
 
     Parameters
     ----------
@@ -106,9 +105,8 @@
 
     // Using offset parameter:
     > var x = new {{alias:@stdlib/array/float64}}( [ 1.0, -2.0, 3.0, 2.0, 5.0, 1.0, NaN, NaN ] );
-    > var N = {{alias:@stdlib/math/base/special/floor}}( x.length / 2 );
     > out = new {{alias:@stdlib/array/float64}}( 2 );
-    > {{alias}}.ndarray( N, x, 2, 1, out, 1, 0 )
+    > {{alias}}.ndarray( 4, x, 2, 1, out, 1, 0 )
     <Float64Array>[ 1.0, 3 ]
 
     See Also

lib/node_modules/@stdlib/blas/ext/base/dnannsumkbn2/examples/index.js

@@ -18,25 +18,22 @@
 
 'use strict';
 
-var randu = require( '@stdlib/random/base/randu' );
-var round = require( '@stdlib/math/base/special/round' );
+var bernoulli = require( '@stdlib/random/base/bernoulli' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var Float64Array = require( '@stdlib/array/float64' );
 var dnannsumkbn2 = require( './../lib' );
 
-var out;
-var x;
-var i;
-
-x = new Float64Array( 10 );
-for ( i = 0; i < x.length; i++ ) {
-	if ( randu() < 0.2 ) {
-		x[ i ] = NaN;
-	} else {
-		x[ i ] = round( randu()*100.0 );
+function rand() {
+	if ( bernoulli( 0.8 ) > 0 ) {
+		return discreteUniform( 0, 100 );
 	}
+	return NaN;
 }
+
+var x = filledarrayBy( 10, 'float64', rand );
 console.log( x );
 
-out = new Float64Array( 2 );
+var out = new Float64Array( 2 );
 dnannsumkbn2( x.length, x, 1, out, 1 );
 console.log( out );

lib/node_modules/@stdlib/blas/ext/base/dnannsumkbn2/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 ] ); }")',
     ],
 

lib/node_modules/@stdlib/blas/ext/base/dnannsumkbn2/lib/index.js

@@ -35,15 +35,12 @@
 *
 * @example
 * var Float64Array = require( '@stdlib/array/float64' );
-* var floor = require( '@stdlib/math/base/special/floor' );
 * var dnannsumkbn2 = require( '@stdlib/blas/ext/base/dnannsumkbn2' );
 *
 * var x = new Float64Array( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0, NaN, NaN ] );
 * var out = new Float64Array( 2 );
 *
-* var N = floor( x.length / 2 );
-*
-* var v = dnannsumkbn2.ndarray( N, x, 2, 1, out, 1, 0 );
+* var v = dnannsumkbn2.ndarray( 5, x, 2, 1, out, 1, 0 );
 * // returns <Float64Array>[ 5.0, 4 ]
 */
 

lib/node_modules/@stdlib/blas/ext/base/dnannsumkbn2/lib/ndarray.js

@@ -48,14 +48,11 @@ var abs = require( '@stdlib/math/base/special/abs' );
 *
 * @example
 * var Float64Array = require( '@stdlib/array/float64' );
-* var floor = require( '@stdlib/math/base/special/floor' );
 *
 * var x = new Float64Array( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0, NaN, NaN ] );
 * var out = new Float64Array( 2 );
 *
-* var N = floor( x.length / 2 );
-*
-* var v = dnannsumkbn2( N, x, 2, 1, out, 1, 0 );
+* var v = dnannsumkbn2( 5, x, 2, 1, out, 1, 0 );
 * // returns <Float64Array>[ 5.0, 4 ]
 */
 function dnannsumkbn2( N, x, strideX, offsetX, out, strideOut, offsetOut ) {

lib/node_modules/@stdlib/blas/ext/base/dnannsumkbn2/lib/ndarray.native.js

@@ -20,7 +20,8 @@
 
 // MODULES //
 
-var Float64Array = require( '@stdlib/array/float64' );
+var minViewBufferIndex = require( '@stdlib/strided/base/min-view-buffer-index' );
+var offsetView = require( '@stdlib/strided/base/offset-view' );
 var addon = require( './dnannsumkbn2.native.js' );
 
 
@@ -40,27 +41,24 @@ var addon = require( './dnannsumkbn2.native.js' );
 *
 * @example
 * var Float64Array = require( '@stdlib/array/float64' );
-* var floor = require( '@stdlib/math/base/special/floor' );
 *
 * var x = new Float64Array( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0, NaN, NaN ] );
 * var out = new Float64Array( 2 );
 *
-* var N = floor( x.length / 2 );
-*
-* var v = dnannsumkbn2( N, x, 2, 1, out, 1, 0 );
+* var v = dnannsumkbn2( 5, x, 2, 1, out, 1, 0 );
 * // returns <Float64Array>[ 5.0, 4 ]
 */
 function dnannsumkbn2( N, x, strideX, offsetX, out, strideOut, offsetOut ) {
 	var viewOut;
 	var viewX;
-	if ( strideX < 0 ) {
-		offsetX += (N-1) * strideX;
-	}
+
+	offsetX = minViewBufferIndex( N, strideX, offsetX );
 	if ( strideOut < 0 ) {
 		offsetOut += strideOut;
 	}
-	viewX = new Float64Array( x.buffer, x.byteOffset+(x.BYTES_PER_ELEMENT*offsetX), x.length-offsetX ); // eslint-disable-line max-len
-	viewOut = new Float64Array( out.buffer, out.byteOffset+(out.BYTES_PER_ELEMENT*offsetOut), out.length-offsetOut ); // eslint-disable-line max-len
+
+	viewX = offsetView( x, offsetX );
+	viewOut = offsetView( out, offsetOut );
 	addon( N, viewX, strideX, viewOut, strideOut );
 	return out;
 }