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author | Joel Bodenmann <joel@seriouslyembedded.com> | 2015-11-04 07:11:25 +0100 |
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committer | Joel Bodenmann <joel@seriouslyembedded.com> | 2015-11-04 07:11:25 +0100 |
commit | 96789916e3c6b8db8f4b1aba4ff5c36b0137bf3f (patch) | |
tree | 51b848c65d1fcbe7115759435176447a85df4b7b /demos/3rdparty/doom/m_fixed.c | |
parent | d4f43afcd2309b0c6205826b571ecf7ab8f33071 (diff) | |
download | uGFX-96789916e3c6b8db8f4b1aba4ff5c36b0137bf3f.tar.gz uGFX-96789916e3c6b8db8f4b1aba4ff5c36b0137bf3f.tar.bz2 uGFX-96789916e3c6b8db8f4b1aba4ff5c36b0137bf3f.zip |
Removing doom demo (will become part of a dedicated demo-projects-repo)
Diffstat (limited to 'demos/3rdparty/doom/m_fixed.c')
-rw-r--r-- | demos/3rdparty/doom/m_fixed.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/demos/3rdparty/doom/m_fixed.c b/demos/3rdparty/doom/m_fixed.c deleted file mode 100644 index 4e0792d6..00000000 --- a/demos/3rdparty/doom/m_fixed.c +++ /dev/null @@ -1,87 +0,0 @@ -// 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. -// -// $Log:$ -// -// DESCRIPTION: -// Fixed point implementation. -// -//----------------------------------------------------------------------------- - - -static const char -rcsid[] = "$Id: m_bbox.c,v 1.1 1997/02/03 22:45:10 b1 Exp $"; - -#include "stdlib.h" - -#include "doomtype.h" -#include "i_system.h" - -#ifdef __GNUG__ -#pragma implementation "m_fixed.h" -#endif -#include "m_fixed.h" - - - - -// Fixme. __USE_C_FIXED__ or something. - -fixed_t -FixedMul -( fixed_t a, - fixed_t b ) -{ - return ((long long) a * (long long) b) >> FRACBITS; -} - - - -// -// FixedDiv, C version. -// - -fixed_t -FixedDiv -( fixed_t a, - fixed_t b ) -{ - if ( (abs(a)>>14) >= abs(b)) - return (a^b)<0 ? MININT : MAXINT; - return FixedDiv2 (a,b); -} - - - -fixed_t -FixedDiv2 -( fixed_t a, - fixed_t b ) -{ -#if 0 - long long c; - c = ((long long)a<<16) / ((long long)b); - return (fixed_t) c; -#endif - - double c; - - c = ((double)a) / ((double)b) * FRACUNIT; - - if (c >= 2147483648.0 || c < -2147483648.0) - I_Error("FixedDiv: divide by zero"); - return (fixed_t) c; -} |