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@@ -251,9 +191,10 @@ <h1><a href="../../../../index.html">All files</a> / <a href="index.html">blas/b
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'use strict';
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- // VARIABLES //
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+ // MODULES //
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+ var stride2offset = require( '@stdlib/strided/base/stride2offset' );
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+ var ndarray = require( './ndarray.js' );
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// MAIN //
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* @param {PositiveInteger} N - number of indexed elements
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* @param {number} alpha - scalar
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* @param {Float64Array} x - input array
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* @returns {Float64Array} input array
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*
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* @example
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* // x => <Float64Array>[ -10.0, 5.0, 15.0, -25.0, 20.0, 0.0, -5.0, -15.0 ]
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*/
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function dscal( N, alpha, x, stride ) {
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- var m;
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-
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- if ( N <= 0 || stride <= 0 || alpha === 1.0 ) {
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- return x;
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- }
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- // Use loop unrolling if the stride is equal to `1`...
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- if ( stride === 1 ) {
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- m = N % M;
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-
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- // If we have a remainder, run a clean-up loop...
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- if ( m > 0 ) {
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- for ( i = 0; i < m; i++ ) {
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- x[ i ] *= alpha;
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- }
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- }
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- if ( N < M ) {
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- return x;
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- }
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- for ( i = m; i < N; i += M ) {
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- x[ i ] *= alpha;
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- x[ i+1 ] *= alpha;
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- x[ i+2 ] *= alpha;
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- x[ i+3 ] *= alpha;
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- x[ i+4 ] *= alpha;
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- }
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- return x;
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- }
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- N *= stride;
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- for ( i = 0; i < N; i += stride ) {
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- x[ i ] *= alpha;
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- }
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- return x;
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+ var ox = stride2offset( N, stride );
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+ return ndarray( N, alpha, x, stride, ox );
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}
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@@ -322,7 +232,7 @@ <h1><a href="../../../../index.html">All files</a> / <a href="index.html">blas/b
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< div class ='footer quiet pad2 space-top1 center small '>
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Code coverage generated by
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< a href ="https://istanbul.js.org/ " target ="_blank " rel ="noopener noreferrer "> istanbul</ a >
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- at 2024-06-09T00:00:20.071Z
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+ at 2024-09-21T00:47:34.358Z
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</ div >
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< script src ="../../../../prettify.js "> </ script >
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< script >
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