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| 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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 17x 5x 5x 12x 17x 5x 1x 1x 1x 1x 1x | /** * @license Apache-2.0 * * Copyright (c) 2018 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 incrmaxabs = require( '@stdlib/stats/incr/maxabs' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); // MAIN // /** * Returns an accumulator function which incrementally computes a maximum absolute value, ignoring `NaN` value. * * @returns {Function} accumulator function * * @example * var accumulator = incrnanmaxabs(); * * var max = accumulator(); * // returns null * * max = accumulator( 3.14 ); * // returns 3.14 * * max = accumulator( -5.0 ); * // returns 5.0 * * max = accumulator( 10.1 ); * // returns 10.1 * * max = accumulator( NaN ); //Ignored * // returns 10.1 * * max = accumulator(); * // returns 10.1 */ function incrnanmaxabs() { var max = incrmaxabs(); return accumulator; /** * If provided a value, the accumulator function returns an updated maximum absolute value. If not provided a value, the accumulator function returns the current maximum absolute value. * * @private * @param {number} [x] - new value * @returns {(number|null)} maximum absolute value or null */ function accumulator( x ) { if ( arguments.length === 0 || isnan(x) ) { return max(); } return max( x ); } } // EXPORTS // module.exports = incrnanmaxabs; |