fix.h Source File

00001 /*
00002  * Copyright (C) Volition, Inc. 1999.  All rights reserved.
00003  *
00004  * All source code herein is the property of Volition, Inc. You may not sell 
00005  * or otherwise commercially exploit the source or things you created based on the 
00006  * source.
00007  *
00008 */ 
00009 
00010 /*
00011  * $Logfile: /Freespace2/code/Math/fix.h $
00012  * $Revision: 2 $
00013  * $Date: 10/07/98 10:53a $
00014  * $Author: Dave $
00015  *
00016  * Routines for fixed point math
00017  *
00018  * $Log: /Freespace2/code/Math/fix.h $
00019  * 
00020  * 2     10/07/98 10:53a Dave
00021  * Initial checkin.
00022  * 
00023  * 1     10/07/98 10:49a Dave
00024  * 
00025  * 4     2/17/97 5:18p John
00026  * Added a bunch of RCS headers to a bunch of old files that don't have
00027  * them.
00028  *
00029  * $NoKeywords: $
00030  */
00031 
00032 #ifndef _FIX_H
00033 #define _FIX_H
00034 
00035 //#include "PsTypes.h"
00036 
00037 #define F1_0 65536
00038 #define f1_0 65536
00039 
00040 fix fixmul(fix a, fix b);
00041 fix fixdiv(fix a, fix b);
00042 fix fixmuldiv(fix a, fix b, fix c);
00043 
00044 #define f2i(a) ((int)((a)>>16))
00045 #define i2f(a) ((fix)((a)<<16))
00046 
00047 #endif