63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
//------------------------------------------------------------------------
|
|
// Macros
|
|
//------------------------------------------------------------------------
|
|
//
|
|
// Eureka DOOM Editor
|
|
//
|
|
// Copyright (C) 2006-2008 Andrew Apted
|
|
//
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU General Public License
|
|
// as published by the Free Software Foundation; either version 2
|
|
// of the License, or (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
//------------------------------------------------------------------------
|
|
|
|
#ifndef __SYS_MACRO_H__
|
|
#define __SYS_MACRO_H__
|
|
|
|
// basic macros
|
|
|
|
#ifndef NULL
|
|
#define NULL ((void*) 0)
|
|
#endif
|
|
|
|
#ifndef M_PI
|
|
#define M_PI 3.14159265358979323846
|
|
#endif
|
|
|
|
#ifndef MAX
|
|
#define MAX(a,b) ((a) > (b) ? (a) : (b))
|
|
#endif
|
|
|
|
#ifndef MIN
|
|
#define MIN(a,b) ((a) < (b) ? (a) : (b))
|
|
#endif
|
|
|
|
#ifndef ABS
|
|
#define ABS(a) ((a) < 0 ? -(a) : (a))
|
|
#endif
|
|
|
|
#ifndef SGN
|
|
#define SGN(a) ((a) < 0 ? -1 : (a) > 0 ? +1 : 0)
|
|
#endif
|
|
|
|
#ifndef I_ROUND
|
|
#define I_ROUND(x) ((int) (((x) < 0.0f) ? ((x) - 0.5f) : ((x) + 0.5f)))
|
|
#endif
|
|
|
|
#ifndef CLAMP
|
|
#define CLAMP(low,x,high) \
|
|
((x) < (low) ? (low) : (x) > (high) ? (high) : (x))
|
|
#endif
|
|
|
|
#endif /* __SYS_MACRO_H__ */
|
|
|
|
//--- editor settings ---
|
|
// vi:ts=4:sw=4:noexpandtab
|