50 lines
1.2 KiB
JavaScript
50 lines
1.2 KiB
JavaScript
/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MAIN //
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/**
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* Prepends singleton dimensions in order to satisfy a minimum number of dimensions.
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*
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* @private
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* @param {NonNegativeInteger} ndims - number of dimensions
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* @param {Array} shape - array dimensions
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* @param {NonNegativeInteger} ndmin - minimum number of dimensions
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* @returns {Array} output shape array
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*/
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function expandShape( ndims, shape, ndmin ) {
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var out;
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var i;
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out = [];
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for ( i = 0; i < ndmin-ndims; i++ ) {
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out.push( 1 );
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}
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for ( i = 0; i < ndims; i++ ) {
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out.push( shape[ i ] );
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}
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return out;
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}
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// EXPORTS //
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module.exports = expandShape;
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