1 #ifndef _OS_H 2 #define _OS_H 3 /************************************************************************ 4 * Copyright (C) 2002-2009, Xiph.org Foundation 5 * Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * * Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * * Redistributions in binary form must reproduce the above 15 * copyright notice, this list of conditions and the following disclaimer 16 * in the documentation and/or other materials provided with the 17 * distribution. 18 * * Neither the names of the Xiph.org Foundation nor Pinknoise 19 * Productions Ltd nor the names of its contributors may be used to 20 * endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 ************************************************************************ 35 36 function: #ifdef jail to whip a few platforms into the UNIX ideal. 37 38 ************************************************************************/ 39 40 #include <math.h> 41 #include "os_types.h" 42 43 #ifndef _V_IFDEFJAIL_H_ 44 # define _V_IFDEFJAIL_H_ 45 46 # ifdef __GNUC__ 47 # define STIN static __inline__ 48 # elif _WIN32 49 # define STIN static __inline 50 # endif 51 #else 52 # define STIN static 53 #endif 54 55 #ifndef M_PI 56 # define M_PI (3.1415926536f) 57 #endif 58 59 #ifdef _WIN32 60 # include <malloc.h> 61 # define rint(x) (floor((x)+0.5f)) 62 # define NO_FLOAT_MATH_LIB 63 # define FAST_HYPOT(a, b) sqrt((a)*(a) + (b)*(b)) 64 #endif 65 66 #ifdef HAVE_ALLOCA_H 67 # include <alloca.h> 68 #endif 69 70 #ifdef USE_MEMORY_H 71 # include <memory.h> 72 #endif 73 74 #ifndef min 75 # define min(x,y) ((x)>(y)?(y):(x)) 76 #endif 77 78 #ifndef max 79 # define max(x,y) ((x)<(y)?(y):(x)) 80 #endif 81 82 #endif /* _OS_H */ 83
