1 /* 2 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) 3 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice including the dates of first publication and 13 * either this permission notice or a reference to 14 * http://oss.sgi.com/projects/FreeB/ 15 * shall be included in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 22 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Except as contained in this notice, the name of Silicon Graphics, Inc. 26 * shall not be used in advertising or otherwise to promote the sale, use or 27 * other dealings in this Software without prior written authorization from 28 * Silicon Graphics, Inc. 29 */ 30 31 /* 32 * mymath.h 33 * 34 */ 35 36 #ifndef __glumymath_h_ 37 #define __glumymath_h_ 38 39 #ifdef GLBUILD 40 #define sqrtf gl_fsqrt 41 #endif 42 43 #if defined(GLBUILD) || defined(STANDALONE) 44 #define M_SQRT2 1.41421356237309504880 45 #define ceilf myceilf 46 #define floorf myfloorf 47 #define sqrtf sqrt 48 extern "C" double sqrt(double); 49 extern "C" float ceilf(float); 50 extern "C" float floorf(float); 51 #define NEEDCEILF 52 #endif 53 54 #ifdef LIBRARYBUILD 55 #include <math.h> 56 #endif 57 58 #if !defined sqrtf 59 # define sqrtf(x) ((float)sqrt(x)) 60 #endif 61 #if !defined ceilf 62 # define ceilf(x) ((float)ceil(x)) 63 #endif 64 #if !defined floorf 65 # define floorf(x) ((float)floor(x)) 66 #endif 67 68 #endif /* __glumymath_h_ */ 69