poly_p1.js (1487B)
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 1.5509733517804722; 41 } 42 return 1.5509733517804722 + (x * (-0.4003010201031985 + (x * (-0.07849861944294194 + (x * (-0.034318853117591995 + (x * (-0.0197180433173655 + (x * (-0.01305950773199331 + (x * (-0.009442372874146548 + (x * (-0.007246728512402157 + (x * (-0.00580742401295609 + (x * -0.004809187786009338))))))))))))))))); // eslint-disable-line max-len 43 } 44 45 46 // EXPORTS // 47 48 module.exports = evalpoly;