time-to-botec

Benchmark sampling in different programming languages
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normal.js (1030B)


      1 /**
      2 * @license Apache-2.0
      3 *
      4 * Copyright (c) 2018 The Stdlib Authors.
      5 *
      6 * Licensed under the Apache License, Version 2.0 (the "License");
      7 * you may not use this file except in compliance with the License.
      8 * You may obtain a copy of the License at
      9 *
     10 *    http://www.apache.org/licenses/LICENSE-2.0
     11 *
     12 * Unless required by applicable law or agreed to in writing, software
     13 * distributed under the License is distributed on an "AS IS" BASIS,
     14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15 * See the License for the specific language governing permissions and
     16 * limitations under the License.
     17 */
     18 
     19 'use strict';
     20 
     21 /**
     22 * Returns a pseudorandom number from a normal distribution with parameters `mu` and `sigma`.
     23 *
     24 * @private
     25 * @param {PRNG} rand - pseudorandom number generator
     26 * @param {number} mu - mean
     27 * @param {PositiveNumber} sigma - standard deviation
     28 * @returns {number} pseudorandom number
     29 */
     30 function normal( rand, mu, sigma ) {
     31 	return mu + (sigma*rand());
     32 }
     33 
     34 
     35 // EXPORTS //
     36 
     37 module.exports = normal;