#include <iostream>
#include <cmath>
#ifdef _WIN32
#include <intrin.h>
uint64_t rdtsc(){
return __rdtsc();
}
#else
#include <x86intrin.h>
uint64_t rdtsc(){
unsigned int lo,hi;
__asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi));
return ((uint64_t)hi << 32) | lo;
}
#endif
using namespace std;
float rnd1()
{
return fmod(1.0+sin(rdtsc())*0.5,1.0);
}
float rnd2()
{
return fmod(rdtsc()*0.004,1.0);
}
int main()
{
int a[40]={0,0,0,0,0,0,0,0,0,0};
for (int i=3000; i>0; i--) {
int v = round(rnd1()*39);
a[v]++;
}
int max=0;
for (int i=39; i>=0; i--)
if (a[i]>max) max=a[i];
cout<<"rnd1 distributions:\n\n";
for (int j=6; j>=0; j--) {
for (int i=39; i>=0; i--) {
if (a[i]*6.0/max<j)
cout<<" ";
else
cout<<"0";
}
cout<<"\n";
}
cout<<"\nrnd1 values:\n\n";
for (int i=30; i>0; i--) {
cout<<round(rnd1()*39)<<" ";
}
cout<<"\n\n";
for (int i=39; i>=0; i--)
a[i]=0;
for (int i=3000; i>0; i--) {
int v = round(rnd2()*39);
a[v]++;
}
max=0;
for (int i=39; i>=0; i--)
if (a[i]>max) max=a[i];
cout<<"\nrnd2 distributions:\n\n";
for (int j=6; j>=0; j--) {
for (int i=39; i>=0; i--) {
if (a[i]*6.0/max<j)
cout<<" ";
else
cout<<"0";
}
cout<<"\n";
}
cout<<"\nrnd2 values:\n\n";
for (int i=30; i>0; i--) {
cout<<round(rnd2()*39)<<" ";
}
cout<<"\n\n";
return 0;
}
