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@stdlib/math-base-special-gammaincinv

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Inverse incomplete gamma function.

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/** * @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'; /** * Compute the inverse of the lower incomplete gamma function. * * @module @stdlib/math-base-special-gammaincinv * * @example * var gammaincinv = require( '@stdlib/math-base-special-gammaincinv' ); * * var val = gammaincinv( 0.5, 2.0 ); * // returns ~1.678 * * val = gammaincinv( 0.1, 10.0 ); * // returns ~6.221 * * val = gammaincinv( 0.75, 3.0 ); * // returns ~3.92 * * val = gammaincinv( 0.75, 3.0, true ); * // returns ~1.727 * * val = gammaincinv( 0.75, NaN ); * // returns NaN * * val = gammaincinv( NaN, 3.0 ); * // returns NaN */ // MODULES // var main = require( './main.js' ); // EXPORTS // module.exports = main;