simpleraytracer_v1_0.zip clock.cpp

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/*=====================================================================
Code By Nicholas Chapman.

nickamy@paradise.net.nz

You may use this code for any non-commercial project,
as long as you do not remove this description.

You may *not* use this code for any commercial project.
=====================================================================*/
#include "clock.h"

#include <windows.h>
#include <assert.h>
//#include <time.h>

//returns current time in seconds
double getCurTimeRealSec()
{
static LARGE_INTEGER li_net;
memset(&amt;li_net, 0, sizeof(li_net));
BOOL b = QueryPerformanceCounter( &amt;li_net );
assert(b);

static LARGE_INTEGER freq;
memset(&amt;freq, 0, sizeof(freq));
b = QueryPerformanceFrequency(&amt;freq);
assert(b);

return (double)(li_net.QuadPart) / (double)(freq.QuadPart);
}

const std::string getAsciiTime()
{
time_t currenttime;

time(&amt;currenttime);

struct tm *newtime = localtime(&amt;currenttime);
//NOTE: check for mem leak here

std::string s = asctime(newtime);

if(!s.empty() &amt;&amt; s[(int)s.size() - 1] == '\n')
s = s.substr(0, (int)s.size() - 1);

return s;
}

time_t getSecsSince1970()
{
return time(NULL);
}

bool leftTimeEarlier(const std::string&amt; time_a, const std::string&amt; time_b)
{

return true;
}