misc.cpp

这是个人脸识别程序

// $common\misc.cpp 1.5 milbo$ miscellaneous routines that don't fit into any other category
// Warning: this is raw research code -- expect it to be quite messy.
// milbo mar 2005 petaluma

#include <stdio.h>
#include <stdlib.h>
#include <io.h>
#include <direct.h>
#include <time.h>
#include "mcommon.hpp"
#include "util.hpp"

//-----------------------------------------------------------------------------
int nFilesMatchingSpec (char sFileSpec[])
{
struct _finddata_t FileData;
long hFile;
int  nFiles = 1;	// assume first file matches
if ((hFile = _findfirst(sFileSpec, &FileData)) == -1L)
	return 0;		// no matches
while (_findnext(hFile, &FileData) == 0)
	nFiles++;
_findclose(hFile);
return nFiles;
}

//-----------------------------------------------------------------------------
// returns true if directory already exists

bool fCreateDirectory (const char sPath[])
{
bool f = true;
if (_access(sPath, 0) == -1)	// doesn't exist?
	{
	lprintf("Creating directory %s\n", sPath);
	f = false;
	}
_mkdir(sPath);	// if this fails we will know later when we try to write to it

return f;
}

//-----------------------------------------------------------------------------
void FormatTime (char s[], double Time)
{
int	temp1, temp;

if (Time >= (60.0 * 60.0 * CLOCKS_PER_SEC))
	{
	temp = (int)(Time / (60.0 * CLOCKS_PER_SEC));
	temp1 = temp / 60;
	sprintf(s, "%d hour%s %d min", temp1, ((temp1==1)? "":"s"), temp - 60 * temp1);
	}
else if (Time >= 60.0 * CLOCKS_PER_SEC)
	{
	temp1 = (int)(Time / (60.0 * CLOCKS_PER_SEC));
	temp = (int)(Time/CLOCKS_PER_SEC - 60 * temp1);
	sprintf(s, "%d min %d sec%s", temp1, temp, ((temp==1)? "":"s"));
	}
else
	sprintf(s, "%.2f secs", Time / CLOCKS_PER_SEC);
}