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- // Emacs style mode select -*- C++ -*-
- //-----------------------------------------------------------------------------
- //
- // $Id:$
- //
- // Copyright (C) 1993-1996 by id Software, Inc.
- //
- // This source is available for distribution and/or modification
- // only under the terms of the DOOM Source Code License as
- // published by id Software. All rights reserved.
- //
- // The source is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
- // for more details.
- //
- // DESCRIPTION:
- // Fixed point arithemtics, implementation.
- //
- //-----------------------------------------------------------------------------
-
-
- #ifndef __M_FIXED__
- #define __M_FIXED__
-
-
- #ifdef __GNUG__
- #pragma interface
- #endif
-
-
- //
- // Fixed point, 32bit as 16.16.
- //
- #define FRACBITS 16
- #define FRACUNIT (1<<FRACBITS)
- #define FRACINV 1.525878906E-5
-
- typedef int fixed_t;
-
- void SetFPMode (void);
-
- fixed_t FixedMul (fixed_t a, fixed_t b);
- fixed_t FixedDiv (fixed_t a, fixed_t b);
-
- #endif
- //-----------------------------------------------------------------------------
- //
- // $Log:$
- //
- //-----------------------------------------------------------------------------
-