/** * @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'; /** * Natural logarithm of `1/2`. * * @module @stdlib/constants/float64/ln-half * @type {number} * * @example * var LN_HALF = require( '@stdlib/constants/float64/ln-half' ); * // returns -0.6931471805599453 */ // MAIN // /** * Natural logarithm of `1/2`. * * ```tex * \ln (1/2) * ``` * * @constant * @type {number} * @default -0.6931471805599453 */ var LN_HALF = -0.69314718055994530941723212145817656807550013436025525412; // EXPORTS // module.exports = LN_HALF;