Mercurial > sdl-ios-xcode

annotate src/libm/s_fabs.c @ 2992:dbff5769d742

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The core pointer is comprised of merging the inputs of all mice. If there are other mice, they should show up in the device list, and we want to report events from those devices instead of the core events. However, if XInput isn't supported or we can't find other mice in the device list, we'll add the core pointer and interpret normal mouse events.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 04 Jan 2009 18:29:20 +0000
parents a98604b691c8
children dc1eb82ffdaa
rev   line source
2756
a98604b691c8 Expanded the libm support and put it into a separate directory.
Sam Lantinga <slouken@libsdl.org>
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1 /* @(#)s_fabs.c 5.1 93/09/24 */
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2 /*
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3 * ====================================================
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4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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5 *
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6 * Developed at SunPro, a Sun Microsystems, Inc. business.
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7 * Permission to use, copy, modify, and distribute this
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8 * software is freely granted, provided that this notice
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9 * is preserved.
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10 * ====================================================
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11 */
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12
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13 #if defined(LIBM_SCCS) && !defined(lint)
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14 static char rcsid[] = "$NetBSD: s_fabs.c,v 1.7 1995/05/10 20:47:13 jtc Exp $";
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15 #endif
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16
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17 /*
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18 * fabs(x) returns the absolute value of x.
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19 */
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20
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21 #include "math.h"
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22 #include "math_private.h"
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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)
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27 #else
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28 double fabs(x)
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29 double x;
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30 #endif
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31 {
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32 u_int32_t high;
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33 GET_HIGH_WORD(high, x);
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34 SET_HIGH_WORD(x, high & 0x7fffffff);
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35 return x;
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36 }
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37
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38 libm_hidden_def(fabs)