UNPKG

@stdlib/math-base-special-fresnels

Version:

Compute the Fresnel integral S(x).

63 lines (53 loc) 1.22 kB
/** * @license Apache-2.0 * * Copyright (c) 2024 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 addon = require( './../src/addon.node' ); // MAIN // /** * Computes the Fresnel integral S(x). * * @private * @param {number} x - input value * @returns {number} S(x) * * @example * var v = fresnels( 0.0 ); * // returns 0.0 * * @example * var v = fresnels( 1.0 ); * // returns ~0.438 * * @example * var v = fresnels( Infinity ); * // returns ~0.5 * * @example * var v = fresnels( -Infinity ); * // returns ~-0.5 * * @example * var v = fresnels( NaN ); * // returns NaN */ function fresnels( x ) { return addon( x ); } // EXPORTS // module.exports = fresnels;