Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 36x 36x 36x 36x 36x 36x 36x 36x 36x 4x 4x 32x 32x 36x 12x 12x 12x 20x 20x 20x 20x 36x 12x 12x 12x 12x 4x 10x 10x 10x 10x 4x 12x 4x 4x 12x 140x 140x 140x 140x 140x 140x 140x 140x 8x 8x 36x 24x 24x 24x 24x 8x 36x 3x 3x 3x 3x 3x | /**
* @license Apache-2.0
*
* Copyright (c) 2026 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MODULES //
var arraylike2object = require( '@stdlib/array/base/arraylike2object' );
var accessors = require( './accessors.js' );
// VARIABLES //
var M = 5;
// MAIN //
/**
* Divides elements of a strided array `x` by the corresponding elements of a strided array `y` and assigns the results to `y` using alternative indexing semantics.
*
* @param {PositiveInteger} N - number of indexed elements
* @param {NumericArray} x - input array
* @param {integer} strideX - `x` stride length
* @param {NonNegativeInteger} offsetX - starting `x` index
* @param {NumericArray} y - output array
* @param {integer} strideY - `y` stride length
* @param {NonNegativeInteger} offsetY - starting `y` index
* @returns {NumericArray} output array
*
* @example
* var x = [ 4.0, 6.0, 12.0, 20.0, 30.0 ];
* var y = [ 2.0, 3.0, 4.0, 5.0, 6.0 ];
*
* gxdy( x.length, x, 1, 0, y, 1, 0 );
* // y => [ 2.0, 2.0, 3.0, 4.0, 5.0 ]
*/
function gxdy( N, x, strideX, offsetX, y, strideY, offsetY ) {
var ix;
var iy;
var ox;
var oy;
var m;
var i;
if ( N <= 0 ) {
return y;
}
ox = arraylike2object( x );
oy = arraylike2object( y );
if ( ox.accessorProtocol || oy.accessorProtocol ) {
accessors( N, ox, strideX, offsetX, oy, strideY, offsetY );
return y;
}
ix = offsetX;
iy = offsetY;
// Use loop unrolling if both strides are equal to `1`...
if ( strideX === 1 && strideY === 1 ) {
m = N % M;
// If we have a remainder, run a clean-up loop...
if ( m > 0 ) {
for ( i = 0; i < m; i++ ) {
y[ iy ] = x[ ix ] / y[ iy ];
ix += strideX;
iy += strideY;
}
}
if ( N < M ) {
return y;
}
for ( i = m; i < N; i += M ) {
y[ iy ] = x[ ix ] / y[ iy ];
y[ iy+1 ] = x[ ix+1 ] / y[ iy+1 ];
y[ iy+2 ] = x[ ix+2 ] / y[ iy+2 ];
y[ iy+3 ] = x[ ix+3 ] / y[ iy+3 ];
y[ iy+4 ] = x[ ix+4 ] / y[ iy+4 ];
ix += M;
iy += M;
}
return y;
}
for ( i = 0; i < N; i++ ) {
y[ iy ] = x[ ix ] / y[ iy ];
ix += strideX;
iy += strideY;
}
return y;
}
// EXPORTS //
module.exports = gxdy;
|