diff options
Diffstat (limited to 'third_party/rust/glslopt/glsl-optimizer/include/c99_math.h')
| -rw-r--r-- | third_party/rust/glslopt/glsl-optimizer/include/c99_math.h | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/third_party/rust/glslopt/glsl-optimizer/include/c99_math.h b/third_party/rust/glslopt/glsl-optimizer/include/c99_math.h deleted file mode 100644 index e906c26aa5..0000000000 --- a/third_party/rust/glslopt/glsl-optimizer/include/c99_math.h +++ /dev/null @@ -1,211 +0,0 @@ -/************************************************************************** - * - * Copyright 2007-2015 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -/** - * Wrapper for math.h which makes sure we have definitions of all the c99 - * functions. - */ - - -#ifndef _C99_MATH_H_ -#define _C99_MATH_H_ - -#include <math.h> -#include "c99_compat.h" - - -/* This is to ensure that we get M_PI, etc. definitions */ -#if defined(_MSC_VER) && !defined(_USE_MATH_DEFINES) -#error _USE_MATH_DEFINES define required when building with MSVC -#endif - - -#if !defined(_MSC_VER) && \ - __STDC_VERSION__ < 199901L && \ - (!defined(_XOPEN_SOURCE) || _XOPEN_SOURCE < 600) && \ - !defined(__cplusplus) - -static inline long int -lrint(double d) -{ - long int rounded = (long int)(d + 0.5); - - if (d - floor(d) == 0.5) { - if (rounded % 2 != 0) - rounded += (d > 0) ? -1 : 1; - } - - return rounded; -} - -static inline long int -lrintf(float f) -{ - long int rounded = (long int)(f + 0.5f); - - if (f - floorf(f) == 0.5f) { - if (rounded % 2 != 0) - rounded += (f > 0) ? -1 : 1; - } - - return rounded; -} - -static inline long long int -llrint(double d) -{ - long long int rounded = (long long int)(d + 0.5); - - if (d - floor(d) == 0.5) { - if (rounded % 2 != 0) - rounded += (d > 0) ? -1 : 1; - } - - return rounded; -} - -static inline long long int -llrintf(float f) -{ - long long int rounded = (long long int)(f + 0.5f); - - if (f - floorf(f) == 0.5f) { - if (rounded % 2 != 0) - rounded += (f > 0) ? -1 : 1; - } - - return rounded; -} - -static inline float -exp2f(float f) -{ - return powf(2.0f, f); -} - -static inline double -exp2(double d) -{ - return pow(2.0, d); -} - -#endif /* C99 */ - - -/* - * signbit() is a macro on Linux. Not available on Windows. - */ -#ifndef signbit -#define signbit(x) ((x) < 0.0f) -#endif - - -#ifndef M_PI -#define M_PI (3.14159265358979323846) -#endif - -#ifndef M_E -#define M_E (2.7182818284590452354) -#endif - -#ifndef M_LOG2E -#define M_LOG2E (1.4426950408889634074) -#endif - -#ifndef FLT_MAX_EXP -#define FLT_MAX_EXP 128 -#endif - - -#if defined(fpclassify) -/* ISO C99 says that fpclassify is a macro. Assume that any implementation - * of fpclassify, whether it's in a C99 compiler or not, will be a macro. - */ -#elif defined(__cplusplus) -/* For C++, fpclassify() should be defined in <cmath> */ -#elif defined(_MSC_VER) -/* Not required on VS2013 and above. Oddly, the fpclassify() function - * doesn't exist in such a form on MSVC. This is an implementation using - * slightly different lower-level Windows functions. - */ -#include <float.h> - -static inline enum {FP_NAN, FP_INFINITE, FP_ZERO, FP_SUBNORMAL, FP_NORMAL} -fpclassify(double x) -{ - switch(_fpclass(x)) { - case _FPCLASS_SNAN: /* signaling NaN */ - case _FPCLASS_QNAN: /* quiet NaN */ - return FP_NAN; - case _FPCLASS_NINF: /* negative infinity */ - case _FPCLASS_PINF: /* positive infinity */ - return FP_INFINITE; - case _FPCLASS_NN: /* negative normal */ - case _FPCLASS_PN: /* positive normal */ - return FP_NORMAL; - case _FPCLASS_ND: /* negative denormalized */ - case _FPCLASS_PD: /* positive denormalized */ - return FP_SUBNORMAL; - case _FPCLASS_NZ: /* negative zero */ - case _FPCLASS_PZ: /* positive zero */ - return FP_ZERO; - default: - /* Should never get here; but if we do, this will guarantee - * that the pattern is not treated like a number. - */ - return FP_NAN; - } -} -#else -#error "Need to include or define an fpclassify function" -#endif - - -/* Since C++11, the following functions are part of the std namespace. Their C - * counteparts should still exist in the global namespace, however cmath - * undefines those functions, which in glibc 2.23, are defined as macros rather - * than functions as in glibc 2.22. - */ -#if __cplusplus >= 201103L && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 23)) -#include <cmath> - -using std::fpclassify; -using std::isfinite; -using std::isinf; -using std::isnan; -using std::isnormal; -using std::signbit; -using std::isgreater; -using std::isgreaterequal; -using std::isless; -using std::islessequal; -using std::islessgreater; -using std::isunordered; -#endif - - -#endif /* #define _C99_MATH_H_ */ |