Mercurial > sdl-ios-xcode
annotate src/libm/s_fabs.c @ 2960:91708bc14aab
It's probably not worth pushing palettized textures. The memory optimization
isn't worth the effort on modern hardware with the sorts of games that would
be using the SDL 1.3 texture API.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Fri, 02 Jan 2009 09:27:36 +0000 |
parents | a98604b691c8 |
children | dc1eb82ffdaa |
rev | line source |
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a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
parents:
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1 /* @(#)s_fabs.c 5.1 93/09/24 */ |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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2 /* |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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3 * ==================================================== |
a98604b691c8
Expanded the libm support and put it into a separate directory.
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4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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5 * |
a98604b691c8
Expanded the libm support and put it into a separate directory.
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6 * Developed at SunPro, a Sun Microsystems, Inc. business. |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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7 * Permission to use, copy, modify, and distribute this |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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8 * software is freely granted, provided that this notice |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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9 * is preserved. |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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10 * ==================================================== |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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11 */ |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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12 |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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13 #if defined(LIBM_SCCS) && !defined(lint) |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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14 static char rcsid[] = "$NetBSD: s_fabs.c,v 1.7 1995/05/10 20:47:13 jtc Exp $"; |
a98604b691c8
Expanded the libm support and put it into a separate directory.
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15 #endif |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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16 |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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17 /* |
a98604b691c8
Expanded the libm support and put it into a separate directory.
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18 * fabs(x) returns the absolute value of x. |
a98604b691c8
Expanded the libm support and put it into a separate directory.
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parents:
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19 */ |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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20 |
a98604b691c8
Expanded the libm support and put it into a separate directory.
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21 #include "math.h" |
a98604b691c8
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22 #include "math_private.h" |
a98604b691c8
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23 |
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24 libm_hidden_proto(fabs) |
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25 #ifdef __STDC__ |
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26 double fabs(double x) |
a98604b691c8
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27 #else |
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28 double fabs(x) |
a98604b691c8
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29 double x; |
a98604b691c8
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30 #endif |
a98604b691c8
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31 { |
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32 u_int32_t high; |
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33 GET_HIGH_WORD(high, x); |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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34 SET_HIGH_WORD(x, high & 0x7fffffff); |
a98604b691c8
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35 return x; |
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Expanded the libm support and put it into a separate directory.
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36 } |
a98604b691c8
Expanded the libm support and put it into a separate directory.
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37 |
a98604b691c8
Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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38 libm_hidden_def(fabs) |