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2525 < div class ='fl pad1y space-right2 '>
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4646 < div class ='fl pad1y space-right2 '>
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@@ -303,8 +205,8 @@ <h1><a href="../../../../../index.html">All files</a> / <a href="index.html">bla
303205
304206// MODULES //
305207
306- var isnan = require( '@stdlib/math /base/assert/is-nan ' );
307- var abs = require( '@stdlib/math/base/special/abs ' );
208+ var stride2offset = require( '@stdlib/strided /base/stride2offset ' );
209+ var ndarray = require( './ndarray.js ' );
308210
309211
310212// MAIN //
@@ -322,68 +224,19 @@ <h1><a href="../../../../../index.html">All files</a> / <a href="index.html">bla
322224*
323225* @param {PositiveInteger} N - number of indexed elements
324226* @param {Float64Array} x - input array
325- * @param {integer} stride - stride length
227+ * @param {integer} strideX - stride length
326228* @returns {number} sum
327229*
328230* @example
329231* var Float64Array = require( '@stdlib/array/float64' );
330232*
331233* var x = new Float64Array( [ 1.0, -2.0, NaN, 2.0 ] );
332- * var N = x.length;
333234*
334- * var v = dnansumkbn2( N , x, 1 );
235+ * var v = dnansumkbn2( x.length , x, 1 );
335236* // returns 1.0
336237*/
337- function dnansumkbn2( N, x, stride ) {
338- var sum;
339- var ccs;
340- var ix;
341- var cs;
342- var cc;
343- var v;
344- var t;
345- var c;
346- var i;
347-
348- if ( N <= 0 ) {
349- return 0.0;
350- }
351- if ( N === 1 || stride === 0 ) {
352- if ( isnan( x[ 0 ] ) ) {
353- return 0.0;
354- }
355- return x[ 0 ];
356- }
357- if ( stride < 0 ) {
358- ix = (1-N) * stride;
359- } else {
360- ix = 0;
361- }
362- sum = 0.0;
363- ccs = 0.0; // second order correction term for lost low order bits
364- cs = 0.0; // first order correction term for lost low order bits
365- for ( i = 0; i < N; i++ ) {
366- v = x[ ix ];
367- if ( isnan( v ) === false ) {
368- t = sum + v;
369- if ( abs( sum ) >= abs( v ) ) {
370- c = (sum-t) + v;
371- } else {
372- c = (v-t) + sum;
373- }
374- sum = t;
375- t = cs + c;
376- if ( abs( cs ) >= abs( c ) ) {
377- cc = (cs-t) + c;
378- } else {
379- cc = (c-t) + cs;
380- }
381- cs = t;
382- ccs += cc;
383- }
384- ix += stride;
385- }
386- return sum + cs + ccs;
238+ function dnansumkbn2( N, x, strideX ) {
239+ return ndarray( N, x, strideX, stride2offset( N, strideX ) );
387240}
388241
389242
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397250 < div class ='footer quiet pad2 space-top1 center small '>
398251 Code coverage generated by
399252 < a href ="https://istanbul.js.org/ " target ="_blank " rel ="noopener noreferrer "> istanbul</ a >
400- at 2024-03-29T15:52:00.712Z
253+ at 2024-10-30T01:07:20.613Z
401254 </ div >
402255 < script src ="../../../../../prettify.js "> </ script >
403256 < script >
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