maths.ts
Version:
Math utilities library for TypeScript, JavaScript and Node.js
40 lines (39 loc) • 1.5 kB
JavaScript
;
/**
* @author Hector J. Vasquez <ipi.vasquez@gmail.com>
*
* @licence
* 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
/**
* Gets a random natural number given a range.
* @param lowerBound The lowest number possible.
* @param upperBound The greatest number possible.
* @return A random natural number in [lowerBound, upperBound) range.
*/
function getRandomNatural(lowerBound, upperBound) {
return Math.floor(getRandomNumber(lowerBound, upperBound));
}
exports.getRandomNatural = getRandomNatural;
/**
* Gets a random real number given a range.
* @param lowerBound The lowest number possible.
* @param upperBound The greatest number possible.
* @return A random real number in [lowerBound, upperBound) range.
*/
function getRandomNumber(lowerBound, upperBound) {
return Math.floor(Math.random() * (upperBound - lowerBound + 1))
+ lowerBound;
}
exports.getRandomNumber = getRandomNumber;