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annotate src/libm/math.h @ 4870:d275c95ddc05

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Added atan2 implementation from uClibc
author Sam Lantinga <slouken@libsdl.org>
date Sun, 29 Aug 2010 16:05:34 -0700
parents f7b03b6838cb
children 67ad1c88dda0
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23 #include "SDL_stdinc.h"
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24
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25 /* Math routines from uClibc: http://www.uclibc.org */
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26
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27 #ifndef HAVE_ATAN2
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28 #define __ieee754_atan2 SDL_atan2
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29 #endif
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30
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31 #ifdef HAVE_COPYSIGN
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32 #define copysign SDL_uclibc_copysign
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33 #else
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34 #define copysign SDL_copysign
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35 #endif
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36
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37 #ifdef HAVE_COS
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38 #define cos SDL_uclibc_cos
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39 #else
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40 #define cos SDL_cos
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41 #endif
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42
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43 #ifdef HAVE_FABS
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44 #define fabs SDL_uclibc_fabs
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45 #else
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46 #define fabs SDL_fabs
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47 #endif
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48
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49 #ifdef HAVE_FLOOR
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50 #define floor SDL_uclibc_floor
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51 #else
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52 #define floor SDL_floor
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53 #endif
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54
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55 #ifndef HAVE_LOG
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56 #define __ieee754_log SDL_log
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57 #endif
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58
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59 #ifndef HAVE_POW
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60 #define __ieee754_pow SDL_pow
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61 #endif
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62
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63 #ifdef HAVE_SCALBN
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64 #define scalbn SDL_uclibc_scalbn
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65 #else
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66 #define scalbn SDL_scalbn
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67 #endif
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68
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69 #ifdef HAVE_SIN
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70 #define sin SDL_uclibc_sin
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71 #else
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72 #define sin SDL_sin
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73 #endif
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74
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75 #ifndef HAVE_SQRT
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76 #define __ieee754_sqrt SDL_sqrt
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77 #endif
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78
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79 /* vi: set ts=4 sw=4 expandtab: */