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* @license Apache-2.0
*
* Copyright (c) 2026 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 //
/**
* Evaluates the quantile function for a negative binomial distribution with number of successes until experiment is stopped `r` and success probability `p` at a probability `k`.
*
* @private
* @param {Probability} k - input value
* @param {PositiveNumber} r - number of successes until experiment is stopped
* @param {Probability} p - success probability
* @returns {NonNegativeInteger} evaluated quantile function
*
* @example
* var y = quantile( 0.9, 20.0, 0.2 );
* // returns 106
*
* @example
* var y = quantile( 0.9, 20.0, 0.8 );
* // returns 8
*
* @example
* var y = quantile( 0.5, 10.0, 0.4 );
* // returns 14
*
* @example
* var y = quantile( 0.0, 10.0, 0.9 );
* // returns 0
*
* @example
* var y = quantile( 1.1, 20.0, 0.5 );
* // returns NaN
*
* @example
* var y = quantile( -0.1, 20.0, 0.5 );
* // returns NaN
*
* @example
* var y = quantile( 0.5, 0.0, 0.5 );
* // returns NaN
*
* @example
* var y = quantile( 0.5, -2.0, 0.5 );
* // returns NaN
*
* @example
* var y = quantile( 0.5, 20.0, 0.0 );
* // returns NaN
*
* @example
* var y = quantile( 0.3, 20.0, -1.0 );
* // returns NaN
*
* @example
* var y = quantile( 0.3, 20.0, 1.5 );
* // returns NaN
*
* @example
* var y = quantile( NaN, 20.0, 0.5 );
* // returns NaN
*
* @example
* var y = quantile( 0.3, NaN, 0.5 );
* // returns NaN
*
* @example
* var y = quantile( 0.3, 20.0, NaN );
* // returns NaN
*/
function quantile( k, r, p ) {
return addon( k, r, p );
}
// EXPORTS //
module.exports = quantile;
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