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* @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 numel = require( '@stdlib/ndarray/base/numel' );
var vind2bind = require( '@stdlib/ndarray/base/vind2bind' );
// VARIABLES //
var MODE = 'throw';
// MAIN //
/**
* Assigns a scalar value to every element of a reinterpreted complex number output ndarray.
*
* @private
* @param {number} re - real component
* @param {number} im - imaginary component
* @param {Object} y - object containing output ndarray meta data
* @param {*} y.dtype - data type
* @param {Collection} y.data - data buffer
* @param {NonNegativeIntegerArray} y.shape - dimensions
* @param {IntegerArray} y.strides - stride lengths
* @param {NonNegativeInteger} y.offset - index offset
* @param {string} y.order - specifies whether `y` is row-major (C-style) or column-major (Fortran-style)
* @returns {void}
*
* @example
* var Float64Array = require( '@stdlib/array/float64' );
*
* // Create a data buffer:
* var ybuf = new Float64Array( 12 );
*
* // Define the shape of the output array:
* var shape = [ 3, 1, 2 ];
*
* // Define the array strides:
* var sy = [ 4, 4, 2 ];
*
* // Define the index offset:
* var oy = 0;
*
* // Create the output ndarray-like object:
* var y = {
* 'dtype': 'float64',
* 'data': ybuf,
* 'shape': shape,
* 'strides': sy,
* 'offset': oy,
* 'order': 'row-major'
* };
*
* // Assign scalar:
* assignnd( 2.0, 2.0, y );
*
* console.log( y.data );
* // => <Float64Array>[ 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0 ]
*/
function assignnd( re, im, y ) {
var ybuf;
var ordy;
var len;
var sh;
var sy;
var oy;
var iy;
var i;
sh = y.shape;
// Compute the total number of elements over which to iterate:
len = numel( sh );
// Cache a reference to the output ndarray buffer:
ybuf = y.data;
// Cache a reference to the stride array:
sy = y.strides;
// Cache the index of the first indexed element:
oy = y.offset;
// Cache the array order:
ordy = y.order;
// Iterate over each element based on the linear **view** index, regardless as to how the data is stored in memory...
for ( i = 0; i < len; i++ ) {
iy = vind2bind( sh, sy, oy, ordy, i, MODE );
ybuf[ iy ] = re;
ybuf[ iy+1 ] = im;
}
}
// EXPORTS //
module.exports = assignnd;
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