55 lines
1.2 KiB
JavaScript
55 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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* Returns the arithmetic range.
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*
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* @private
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* @param {ndarrayLike} arr - input array
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* @param {number} j - column index for which to get the range
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* @param {number} len - number of rows in arr
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* @returns {NumericArray} arithmetic range
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*/
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function range( arr, j, len ) {
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var min;
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var max;
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var x;
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var i;
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min = arr.get( 0, j );
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max = min;
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for ( i = 1; i < len; i++ ) {
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x = arr.get( i, j );
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if ( x < min ) {
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min = x;
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} else if ( x > max ) {
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max = x;
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}
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}
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return [ min, max ];
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}
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// EXPORTS //
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module.exports = range;
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