// Timer stuff.
// Written by Nils Liaaen Corneliusen 2019.
// https://www.ignorantus.com
// License: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication license
#include <stdio.h>

#include <Windows.h>

double PCFreq = 0.0;
__int64 CounterStart = 0;

void StartCounter()
{
    LARGE_INTEGER li;
    if(!QueryPerformanceFrequency(&li)) {
        printf( "doh" );
        exit( 1 );
    }

    PCFreq = double(li.QuadPart)/1000.0;

    printf( "Frequency: %f\n", PCFreq );

    QueryPerformanceCounter(&li);
    CounterStart = li.QuadPart;
}

double GetCounter()
{
    LARGE_INTEGER li;
    QueryPerformanceCounter(&li);
    return double(li.QuadPart-CounterStart)/PCFreq;
}