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/*
* random_test.cpp
*
* Created on: Dec 11, 2009
* Author: Ben Langmead
*/
#include <iostream>
#include <string.h>
#include "random_source.h"
using namespace std;
int main(void) {
RandomSource rand;
rand.init(0);
uint32_t ts[32];
memset(ts, 0, 32*sizeof(uint32_t));
uint32_t r = rand.nextU32();
cout << "Without reseeding:" << endl;
for(int i = 0; i < 10000; i++) {
uint32_t nr = rand.nextU32();
for(int j = 0; j < 32; j++) {
if(((r >> j) & 1) != ((nr >> j) & 1)) {
ts[j]++;
}
}
}
for(int j = 0; j < 32; j++) {
cout << ts[j] << endl;
}
memset(ts, 0, 32*sizeof(uint32_t));
rand.init(0);
r = rand.nextU32();
cout << "With reseeding:" << endl;
for(int i = 0; i < 10000; i++) {
rand.init(i+1);
uint32_t nr = rand.nextU32();
for(int j = 0; j < 32; j++) {
if(((r >> j) & 1) != ((nr >> j) & 1)) {
ts[j]++;
}
}
}
for(int j = 0; j < 32; j++) {
cout << ts[j] << endl;
}
}
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