poly_p8.js (1675B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2019 The Stdlib Authors. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 /* This is a generated file. Do not edit directly. */ 20 'use strict'; 21 22 // MAIN // 23 24 /** 25 * Evaluates a polynomial. 26 * 27 * ## Notes 28 * 29 * - The implementation uses [Horner's rule][horners-method] for efficient computation. 30 * 31 * [horners-method]: https://en.wikipedia.org/wiki/Horner%27s_method 32 * 33 * 34 * @private 35 * @param {number} x - value at which to evaluate the polynomial 36 * @returns {number} evaluated polynomial 37 */ 38 function evalpoly( x ) { 39 if ( x === 0.0 ) { 40 return 1.2110560275684594; 41 } 42 return 1.2110560275684594 + (x * (-0.6303064132874558 + (x * (-0.38716640952066916 + (x * (-0.5922782353119346 + (x * (-1.23755558451305 + (x * (-3.0320566617452474 + (x * (-8.18168822157359 + (x * (-23.55507217389693 + (x * (-71.04099935893065 + (x * (-221.879685319235 + (x * (-712.1364793277636 + (x * (-2336.1253314403966 + (x * (-7801.945954775964 + (x * (-26448.19586059192 + (x * (-90799.48341621365 + (x * (-315126.04064491636 + (x * -1104011.3443115912))))))))))))))))))))))))))))))); // eslint-disable-line max-len 43 } 44 45 46 // EXPORTS // 47 48 module.exports = evalpoly;