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Reproducing random floating point number generation in different languages
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rand('state', 0); | |
rand(); | |
rand(); | |
// Output: | |
// 0.84442 | |
// 0.75795 |
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from random import * | |
seed(0, version=1) | |
print(random()) | |
print(random()) | |
# Output: | |
# 0.8444218515250481 | |
# 0.7579544029403025 |
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import numpy as np | |
np.random.seed(0) | |
print(np.random.random()) | |
print(np.random.random()) | |
# Output: | |
# 0.5488135039273248 | |
# 0.7151893663724195 |
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import 'random' | |
srand(0) | |
p rand() | |
p rand() | |
# Output | |
# 0.5488135039273248 | |
# 0.7151893663724195 |
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#include <iostream> | |
#include <chrono> | |
#include <random> | |
#include <iomanip> | |
int main () | |
{ | |
std::mt19937 generator (0.0); | |
std::uniform_real_distribution<float> dis(0.0, 1.0); | |
std::cout << std::setprecision(15); | |
std::cout << std::setiosflags (std::ios::fixed); | |
std::cout << dis(generator) << std::endl; | |
std::cout << dis(generator) << std::endl; | |
std::cout << dis(generator) << std::endl; | |
// Output: | |
// 0.548813521862030 | |
// 0.592844605445862 | |
// 0.715189337730408 | |
return 0; | |
} |
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using System; | |
using MathNet.Numerics.Random; | |
namespace random | |
{ | |
class Program | |
{ | |
static void Main(string[] args) | |
{ | |
double[] arr = MersenneTwister.Doubles(3, 0); | |
Console.WriteLine(arr[0]); | |
Console.WriteLine(arr[1]); | |
Console.WriteLine(arr[2]); | |
// Output: | |
// 0.548813502304256 | |
// 0.5928446163889021 | |
// 0.715189364971593 | |
} | |
} | |
} |
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#!/usr/bin/perl -w | |
use strict; | |
use feature 'say'; | |
use Math::Random::MT; | |
my $r = Math::Random::MT->new(0); | |
say $r->rand(); | |
say $r->rand(); | |
say $r->rand(); | |
# Output: | |
# 0.548813502304256 | |
# 0.592844616388902 | |
# 0.715189364971593 |
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