refactor: update blas/ext/base/dapx to follow current project conventions

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

@@ -32,7 +32,7 @@ var dapx = require( '@stdlib/blas/ext/base/dapx' );
 
 #### dapx( N, alpha, x, stride )
 
-Adds a constant `alpha` to each element in a double-precision floating-point strided array `x`.
+Adds a constant `alpha` to each element in a double-precision floating-point strided array.
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );
@@ -50,40 +50,36 @@ The function has the following parameters:
 -   **x**: input [`Float64Array`][@stdlib/array/float64].
 -   **stride**: index increment.
 
-The `N` and `stride` parameters determine which elements in `x` are accessed at runtime. For example, to add a constant to every other element
+The `N` and `stride` parameters determine which elements in the strided array are accessed at runtime. For example, to add a constant to every other element
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );
-var floor = require( '@stdlib/math/base/special/floor' );
 
 var x = new Float64Array( [ -2.0, 1.0, 3.0, -5.0, 4.0, 0.0, -1.0, -3.0 ] );
-var N = floor( x.length / 2 );
 
-dapx( N, 5.0, x, 2 );
+dapx( 4, 5.0, x, 2 );
 // x => <Float64Array>[ 3.0, 1.0, 8.0, -5.0, 9.0, 0.0, 4.0, -3.0 ]
 ```
 
 Note that indexing is relative to the first index. To introduce an offset, use [`typed array`][mdn-typed-array] views.
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );
-var floor = require( '@stdlib/math/base/special/floor' );
 
 // Initial array...
 var x0 = new Float64Array( [ 1.0, -2.0, 3.0, -4.0, 5.0, -6.0 ] );
 
 // Create an offset view...
 var x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element
-var N = floor( x0.length/2 );
 
 // Add a constant to every other element...
-dapx( N, 5.0, x1, 2 );
+dapx( 3, 5.0, x1, 2 );
 // x0 => <Float64Array>[ 1.0, 3.0, 3.0, 1.0, 5.0, -1.0 ]
 ```
 
 #### dapx.ndarray( N, alpha, x, stride, offset )
 
-Adds a constant `alpha` to each element in a double-precision floating-point strided array `x` using alternative indexing semantics.
+Adds a constant `alpha` to each element in a double-precision floating-point strided array using alternative indexing semantics.
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );
@@ -98,7 +94,7 @@ The function has the following additional parameters:
 
 -   **offset**: 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 only the last three elements of `x`
+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 only the last three elements of the strided array.
 
 ```javascript
 var Float64Array = require( '@stdlib/array/float64' );
@@ -117,7 +113,7 @@ dapx.ndarray( 3, 5.0, x, 1, x.length-3 );
 
 ## Notes
 
--   If `N <= 0`, both functions return `x` unchanged.
+-   If `N <= 0`, both functions return the strided array unchanged.
 
 </section>
 

lib/node_modules/@stdlib/blas/ext/base/dapx/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 isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var Float64Array = require( '@stdlib/array/float64' );
 var pkg = require( './../package.json' ).name;
 var dapx = require( './../lib/dapx.js' );
 
 
+// VARIABLES //
+
+var rand = uniform( -10.0, 10.0 );
+
+
 // FUNCTIONS //
 
 /**
@@ -40,12 +45,8 @@ var dapx = require( './../lib/dapx.js' );
 */
 function createBenchmark( len ) {
 	var x;
-	var i;
 
-	x = new Float64Array( len );
-	for ( i = 0; i < len; i++ ) {
-		x[ i ] = ( randu()*20.0 ) - 10.0;
-	}
+	x = filledarrayBy( len, 'float64', rand );
 	return benchmark;
 
 	function benchmark( b ) {

lib/node_modules/@stdlib/blas/ext/base/dapx/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 isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var Float64Array = require( '@stdlib/array/float64' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var pkg = require( './../package.json' ).name;
 
@@ -36,6 +36,7 @@ var dapx = tryRequire( resolve( __dirname, './../lib/dapx.native.js' ) );
 var opts = {
 	'skip': ( dapx instanceof Error )
 };
+var rand = uniform( -10.0, 10.0 );
 
 
 // FUNCTIONS //
@@ -49,12 +50,8 @@ var opts = {
 */
 function createBenchmark( len ) {
 	var x;
-	var i;
 
-	x = new Float64Array( len );
-	for ( i = 0; i < len; i++ ) {
-		x[ i ] = ( randu()*20.0 ) - 10.0;
-	}
+	x = filledarrayBy( len, 'float64', rand );
 	return benchmark;
 
 	function benchmark( b ) {

lib/node_modules/@stdlib/blas/ext/base/dapx/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 isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var Float64Array = require( '@stdlib/array/float64' );
 var pkg = require( './../package.json' ).name;
 var dapx = require( './../lib/ndarray.js' );
 
 
+// VARIABLES //
+
+var rand = uniform( -10.0, 10.0 );
+
+
 // FUNCTIONS //
 
 /**
@@ -40,12 +45,8 @@ var dapx = require( './../lib/ndarray.js' );
 */
 function createBenchmark( len ) {
 	var x;
-	var i;
 
-	x = new Float64Array( len );
-	for ( i = 0; i < len; i++ ) {
-		x[ i ] = ( randu()*20.0 ) - 10.0;
-	}
+	x = filledarrayBy( len, 'float64', rand );
 	return benchmark;
 
 	function benchmark( b ) {

lib/node_modules/@stdlib/blas/ext/base/dapx/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 isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var Float64Array = require( '@stdlib/array/float64' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var pkg = require( './../package.json' ).name;
 
@@ -36,6 +36,7 @@ var dapx = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) );
 var opts = {
 	'skip': ( dapx instanceof Error )
 };
+var rand = uniform( -10.0, 10.0 );
 
 
 // FUNCTIONS //
@@ -49,12 +50,8 @@ var opts = {
 */
 function createBenchmark( len ) {
 	var x;
-	var i;
 
-	x = new Float64Array( len );
-	for ( i = 0; i < len; i++ ) {
-		x[ i ] = ( randu()*20.0 ) - 10.0;
-	}
+	x = filledarrayBy( len, 'float64', rand );
 	return benchmark;
 
 	function benchmark( b ) {

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

@@ -9,7 +9,7 @@
     Indexing is relative to the first index. To introduce an offset, use typed
     array views.
 
-    If `N <= 0`, the function returns `x` unchanged.
+    If `N <= 0`, the function returns the strided array unchanged.
 
     Parameters
     ----------
@@ -23,12 +23,12 @@
         Input array.
 
     stride: integer
-        Index increment for `x`.
+        Index increment for the strided array.
 
     Returns
     -------
     x: Float64Array
-        Input array `x`.
+        Input array.
 
     Examples
     --------
@@ -40,23 +40,22 @@
 
     // Using `N` and `stride` parameters:
     > x = new {{alias:@stdlib/array/float64}}( [ -2.0, 1.0, 3.0, -5.0, 4.0, -1.0, -3.0 ] );
-    > var N = {{alias:@stdlib/math/base/special/floor}}( x.length / 2 );
     > alpha = 5.0;
     > var stride = 2;
-    > {{alias}}( N, alpha, x, stride )
+    > {{alias}}( 3, alpha, x, stride )
     <Float64Array>[ 3.0, 1.0, 8.0, -5.0, 9.0, -1.0, -3.0 ]
 
     // Using view offsets:
     > var x0 = new {{alias:@stdlib/array/float64}}( [ 1.0, -2.0, 3.0, -4.0, 5.0, -6.0 ] );
     > var x1 = new {{alias:@stdlib/array/float64}}( x0.buffer, x0.BYTES_PER_ELEMENT*1 );
-    > N = {{alias:@stdlib/math/base/special/floor}}( x0.length / 2 );
     > alpha = 5.0;
     > stride = 2;
-    > {{alias}}( N, alpha, x1, stride )
+    > {{alias}}( 3, alpha, x1, stride )
     <Float64Array>[ 3.0, 3.0, 1.0, 5.0, -1.0 ]
     > x0
     <Float64Array>[ 1.0, 3.0, 3.0, 1.0, 5.0, -1.0 ]
 
+
 {{alias}}.ndarray( N, alpha, x, stride, offset )
     Adds a constant to each element in a double-precision floating-point strided
     array using alternative indexing semantics.
@@ -77,15 +76,15 @@
         Input array.
 
     stride: integer
-        Index increment for `x`.
+        Index increment for the strided array.
 
     offset: integer
-        Starting index of `x`.
+        Starting index of the strided array.
 
     Returns
     -------
     x: Float64Array
-        Input array `x`.
+        Input array.
 
     Examples
     --------
@@ -97,10 +96,9 @@
 
     // Using an index offset:
     > x = new {{alias:@stdlib/array/float64}}( [ 1.0, -2.0, 3.0, -4.0, 5.0, -6.0 ] );
-    > var N = {{alias:@stdlib/math/base/special/floor}}( x.length / 2 );
     > alpha = 5.0;
     > var stride = 2;
-    > {{alias}}.ndarray( N, alpha, x, stride, 1 )
+    > {{alias}}.ndarray( 3, alpha, x, stride, 1 )
     <Float64Array>[ 1.0, 3.0, 3.0, 1.0, 5.0, -1.0 ]
 
     See Also

lib/node_modules/@stdlib/blas/ext/base/dapx/docs/types/index.d.ts

@@ -29,7 +29,7 @@ interface Routine {
 	* @param alpha - constant
 	* @param x - input array
 	* @param stride - stride length
-	* @returns `x`
+	* @returns input array
 	*
 	* @example
 	* var Float64Array = require( '@stdlib/array/float64' );
@@ -49,7 +49,7 @@ interface Routine {
 	* @param x - input array
 	* @param stride - stride length
 	* @param offset - starting index
-	* @returns `x`
+	* @returns input array
 	*
 	* @example
 	* var Float64Array = require( '@stdlib/array/float64' );
@@ -69,7 +69,7 @@ interface Routine {
 * @param alpha - constant
 * @param x - input array
 * @param stride - stride length
-* @returns `x`
+* @returns input array
 *
 * @example
 * var Float64Array = require( '@stdlib/array/float64' );

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

@@ -18,27 +18,13 @@
 
 'use strict';
 
-var round = require( '@stdlib/math/base/special/round' );
-var randu = require( '@stdlib/random/base/randu' );
-var Float64Array = require( '@stdlib/array/float64' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' ).factory;
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var dapx = require( './../lib' );
 
-var rand;
-var sign;
-var x;
-var i;
+var rand = discreteUniform( -100, 100 );
 
-x = new Float64Array( 10 );
-for ( i = 0; i < x.length; i++ ) {
-	rand = round( randu()*100.0 );
-	sign = randu();
-	if ( sign < 0.5 ) {
-		sign = -1.0;
-	} else {
-		sign = 1.0;
-	}
-	x[ i ] = sign * rand;
-}
+var x = filledarrayBy( 10, 'float64', rand );
 console.log( x );
 
 dapx( x.length, 5.0, x, 1 );

lib/node_modules/@stdlib/blas/ext/base/dapx/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/dapx/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( './dapx.native.js' );
 
 
@@ -47,10 +48,8 @@ var addon = require( './dapx.native.js' );
 */
 function dapx( N, alpha, x, stride, offset ) {
 	var view;
-	if ( stride < 0 ) {
-		offset += (N-1) * stride;
-	}
-	view = new Float64Array( x.buffer, x.byteOffset+(x.BYTES_PER_ELEMENT*offset), x.length-offset ); // eslint-disable-line max-len
+	offset = minViewBufferIndex( N, stride, offset );
+	view = offsetView( x, offset );
 	addon( N, alpha, view, stride );
 	return x;
 }