1998-04-07 00:00:00 +00:00
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// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// $Id:$
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//
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// Copyright (C) 1993-1996 by id Software, Inc.
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//
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// This source is available for distribution and/or modification
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// only under the terms of the DOOM Source Code License as
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// published by id Software. All rights reserved.
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//
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// The source is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
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// for more details.
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//
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// DESCRIPTION:
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// Fixed point arithemtics, implementation.
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//
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//-----------------------------------------------------------------------------
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#ifndef __M_FIXED__
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#define __M_FIXED__
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//
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// Fixed point, 32bit as 16.16.
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//
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#define FRACBITS 16
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#define FRACUNIT (1<<FRACBITS)
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typedef int fixed_t;
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1998-04-07 00:00:00 +00:00
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fixed_t FixedMul_ASM (fixed_t a, fixed_t b);
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fixed_t FixedDiv_ASM (fixed_t a, fixed_t b);
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fixed_t FixedMul_C (fixed_t a, fixed_t b);
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fixed_t FixedDiv_C (fixed_t a, fixed_t b);
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#ifdef USEASM
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#define FixedMul(a,b) FixedMul_ASM(a,b)
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#define FixedDiv(a,b) FixedDiv_ASM(a,b)
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#else
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#define FixedMul(a,b) FixedMul_C(a,b)
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#define FixedDiv(a,b) FixedDiv_C(a,b)
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#endif
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1998-04-07 00:00:00 +00:00
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#endif
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//-----------------------------------------------------------------------------
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//
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// $Log:$
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//
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//-----------------------------------------------------------------------------
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