hackthelobby/libcaca/caca/caca_prof.h

47 lines
1.2 KiB
C

/*
* libcaca Colour ASCII-Art library
* Copyright (c) 2009-2012 Sam Hocevar <sam@hocevar.net>
* All Rights Reserved
*
* This library is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What the Fuck You Want
* to Public License, Version 2, as published by Sam Hocevar. See
* http://www.wtfpl.net/ for more details.
*/
/*
* This file contains profiling functions.
*/
#ifndef __CACA_PROF_H__
#define __CACA_PROF_H__
#if defined PROF && !defined __KERNEL__
# define PROFILING_VARS
# define STAT_IADD(_s, _n) \
do \
{ \
struct caca_stat *s = _s; \
int i, n = _n; \
for (i = STAT_VALUES - 1; i > 0; i--) \
s->itable[i] = s->itable[i - 1]; \
s->itable[0] = n; \
s->imean = (s->imean * 63 + (int64_t)n * 64 + 32) / 64; \
} \
while(0)
# define START_PROF(obj, fn)
# define STOP_PROF(obj, fn)
#else
# define PROFILING_VARS
# define STAT_IADD(_s, _n) do { } while(0)
# define START_PROF(obj, fn) do { } while(0)
# define STOP_PROF(obj, fn) do { } while(0)
#endif
#endif /* __CACA_PROF_H__ */