Bausager
6b8a7ab582
Sync public mirror / sync (push) Failing after 29s
almost complete. Need to doublecheck names for functions in *_serial.h
64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
#pragma once
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#include <cstdint> //uint64_t
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//#include <stdexcept> // std::runtime_error
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#include <random>
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#include <type_traits>
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#include "../utils/vector.h"
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#include "../utils/matrix.h"
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namespace numerics::detail{
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// Shared engine
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inline std::mt19937& rng() {
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static std::random_device rd;
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static std::mt19937 gen(rd());
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return gen;
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}
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// Integral overload
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template <
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typename T,
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typename std::enable_if<std::is_integral<T>::value, int>::type = 0
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>
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inline T random(const T low, const T high) {
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std::uniform_int_distribution<T> dist(low, high);
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return dist(rng());
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}
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// Floating-point overload
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template <
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typename T,
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typename std::enable_if<std::is_floating_point<T>::value, int>::type = 0
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>
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inline T random(const T low, const T high) {
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std::uniform_real_distribution<T> dist(low, high);
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return dist(rng());
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}
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// ---------------- Matrix ----------------
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template <typename T>
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inline void inplace_random_serial(utils::Matrix<T>& A, const T low, const T high) {
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const uint64_t rows = A.rows();
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const uint64_t cols = A.cols();
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for (uint64_t i = 0; i < rows; ++i){
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for (uint64_t j = 0; j < cols; ++j){
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A(i,j) = random(low, high);
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}
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}
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}
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// ---------------- Vector ----------------
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template <typename T>
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inline void inplace_random_serial(utils::Vector<T>& v, const T low, const T high) {
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const uint64_t N = v.size();
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for (uint64_t i = 0; i < N; ++i){
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v[i] = random(low, high);
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}
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}
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} // namespace numerics
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