48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/*
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* Created by Brett on 04/01/23.
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* Licensed under GNU General Public License V3.0
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* See LICENSE file for license detail
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*/
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#ifndef BLT_RANDOM_H
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#define BLT_RANDOM_H
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#include <random>
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namespace blt {
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/**
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* Creates a container class for generating random number distributions
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* @tparam T numeric type
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* @tparam dist std::uniform_real_distribution or std::uniform_int_distribution
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*/
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template<typename T, template<typename = T> typename dist = std::uniform_real_distribution>
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class random {
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private:
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std::random_device rd; // obtain a random number from hardware
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std::mt19937 gen;
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dist<T>* distribution = nullptr;
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public:
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/**
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* Construct the random number generator.
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* @param min min value possible to generate. (default: 0)
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* @param max max value possible to generate. (default: 1)
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* @param seed seed to use in generating random values. (default: 0)
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*/
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explicit random(T min = (T)0, T max = (T)1, long seed = 0): gen(std::mt19937(seed)){
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distribution = new dist(min, max);
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}
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/**
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* Note the min/max are inclusive and defaults to a **uniform** distribution.
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* @return random number between the defined min/max or the default of [0,1].
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*/
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T get(){
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return (*distribution)(gen);
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}
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~random(){
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delete distribution;
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}
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};
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}
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#endif //BLT_RANDOM_H
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