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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 5044x 5044x 5044x 5044x 861917x 33100x 33100x 861917x 5044x 5044x 2x 2x 2x 2x 2x | /**
* @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';
/**
* Generates a binomially distributed pseudorandom number by computing the sum of Bernoulli random variables.
*
* @private
* @param {PRNG} rand - PRNG for uniformly distributed numbers
* @param {PositiveInteger} n - number of trials
* @param {Probability} p - success probability
* @returns {NonNegativeInteger} pseudorandom number
*/
function sample( rand, n, p ) {
var sum = 0;
var i;
for ( i = 0; i < n; i++ ) {
if ( rand() <= p ) {
sum += 1;
}
}
return sum;
}
// EXPORTS //
module.exports = sample;
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