| // |
| // Copyright (c) 2017 The Khronos Group Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| #ifndef _COMPAT_H_ |
| #define _COMPAT_H_ |
| |
| #if defined(_WIN32) && defined (_MSC_VER) |
| #include <Windows.h> |
| #endif |
| |
| #ifdef __cplusplus |
| #define EXTERN_C extern "C" |
| #else |
| #define EXTERN_C |
| #endif |
| |
| |
| // |
| // stdlib.h |
| // |
| |
| #include <stdlib.h> // On Windows, _MAX_PATH defined there. |
| |
| // llabs appeared in MS C v16 (VS 10/2010). |
| #if defined( _MSC_VER ) && _MSC_VER <= 1500 |
| EXTERN_C inline long long llabs(long long __x) { return __x >= 0 ? __x : -__x; } |
| #endif |
| |
| |
| // |
| // stdbool.h |
| // |
| |
| // stdbool.h appeared in MS C v18 (VS 12/2013). |
| #if defined( _MSC_VER ) && MSC_VER <= 1700 |
| #if !defined(__cplusplus) |
| typedef char bool; |
| #define true 1 |
| #define false 0 |
| #endif |
| #else |
| #include <stdbool.h> |
| #endif |
| |
| |
| |
| // |
| // stdint.h |
| // |
| |
| // stdint.h appeared in MS C v16 (VS 10/2010) and Intel C v12. |
| #if defined( _MSC_VER ) && ( ! defined( __INTEL_COMPILER ) && _MSC_VER <= 1500 || defined( __INTEL_COMPILER ) && __INTEL_COMPILER < 1200 ) |
| typedef unsigned char uint8_t; |
| typedef char int8_t; |
| typedef unsigned short uint16_t; |
| typedef short int16_t; |
| typedef unsigned int uint32_t; |
| typedef int int32_t; |
| typedef unsigned long long uint64_t; |
| typedef long long int64_t; |
| #else |
| #ifndef __STDC_LIMIT_MACROS |
| #define __STDC_LIMIT_MACROS |
| #endif |
| #include <stdint.h> |
| #endif |
| |
| |
| |
| // |
| // float.h |
| // |
| |
| #include <float.h> |
| |
| |
| |
| // |
| // fenv.h |
| // |
| |
| // fenv.h appeared in MS C v18 (VS 12/2013). |
| #if defined( _MSC_VER ) && _MSC_VER <= 1700 && ! defined( __INTEL_COMPILER ) |
| // reimplement fenv.h because windows doesn't have it |
| #define FE_INEXACT 0x0020 |
| #define FE_UNDERFLOW 0x0010 |
| #define FE_OVERFLOW 0x0008 |
| #define FE_DIVBYZERO 0x0004 |
| #define FE_INVALID 0x0001 |
| #define FE_ALL_EXCEPT 0x003D |
| int fetestexcept(int excepts); |
| int feclearexcept(int excepts); |
| #else |
| #include <fenv.h> |
| #endif |
| |
| |
| // |
| // math.h |
| // |
| |
| #if defined( __INTEL_COMPILER ) |
| #include <mathimf.h> |
| #else |
| #include <math.h> |
| #endif |
| |
| #ifndef M_PI |
| #define M_PI 3.14159265358979323846264338327950288 |
| #endif |
| |
| #if defined( _MSC_VER ) |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #ifndef NAN |
| #define NAN (INFINITY - INFINITY) |
| #endif |
| |
| #ifndef HUGE_VALF |
| #define HUGE_VALF (float)HUGE_VAL |
| #endif |
| |
| #ifndef INFINITY |
| #define INFINITY (FLT_MAX + FLT_MAX) |
| #endif |
| |
| #ifndef isfinite |
| #define isfinite(x) _finite(x) |
| #endif |
| |
| #ifndef isnan |
| #define isnan( x ) ((x) != (x)) |
| #endif |
| |
| #ifndef isinf |
| #define isinf( _x) ((_x) == INFINITY || (_x) == -INFINITY) |
| #endif |
| |
| #if _MSC_VER < 1900 && ! defined( __INTEL_COMPILER ) |
| |
| double rint( double x); |
| float rintf( float x); |
| long double rintl( long double x); |
| |
| float cbrtf( float ); |
| double cbrt( double ); |
| |
| int ilogb( double x); |
| int ilogbf (float x); |
| int ilogbl(long double x); |
| |
| double fmax(double x, double y); |
| double fmin(double x, double y); |
| float fmaxf( float x, float y ); |
| float fminf(float x, float y); |
| |
| double log2(double x); |
| long double log2l(long double x); |
| |
| double exp2(double x); |
| long double exp2l(long double x); |
| |
| double fdim(double x, double y); |
| float fdimf(float x, float y); |
| long double fdiml(long double x, long double y); |
| |
| double remquo( double x, double y, int *quo); |
| float remquof( float x, float y, int *quo); |
| long double remquol( long double x, long double y, int *quo); |
| |
| long double scalblnl(long double x, long n); |
| |
| float hypotf(float x, float y); |
| long double hypotl(long double x, long double y) ; |
| double lgamma(double x); |
| float lgammaf(float x); |
| |
| double trunc(double x); |
| float truncf(float x); |
| |
| double log1p(double x); |
| float log1pf(float x); |
| long double log1pl(long double x); |
| |
| double copysign(double x, double y); |
| float copysignf(float x, float y); |
| long double copysignl(long double x, long double y); |
| |
| long lround(double x); |
| long lroundf(float x); |
| //long lroundl(long double x) |
| |
| double round(double x); |
| float roundf(float x); |
| long double roundl(long double x); |
| |
| int cf_signbit(double x); |
| int cf_signbitf(float x); |
| |
| // Added in _MSC_VER == 1800 (Visual Studio 2013) |
| #if _MSC_VER < 1800 |
| static int signbit(double x) { return cf_signbit(x); } |
| #endif |
| static int signbitf(float x) { return cf_signbitf(x); } |
| |
| long int lrint (double flt); |
| long int lrintf (float flt); |
| |
| float int2float (int32_t ix); |
| int32_t float2int (float fx); |
| |
| #endif // _MSC_VER < 1900 && ! defined( __INTEL_COMPILER ) |
| |
| #if _MSC_VER < 1900 && ( ! defined( __INTEL_COMPILER ) || __INTEL_COMPILER < 1300 ) |
| // These functions appeared in Intel C v13 and Visual Studio 2015 |
| float nanf( const char* str); |
| double nan( const char* str); |
| long double nanl( const char* str); |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |
| |
| #if defined( __ANDROID__ ) |
| #define log2(X) (log(X)/log(2)) |
| #endif |
| |
| |
| |
| // |
| // stdio.h |
| // |
| |
| #if defined(_MSC_VER) |
| // snprintf added in _MSC_VER == 1900 (Visual Studio 2015) |
| #if _MSC_VER < 1900 |
| #define snprintf sprintf_s |
| #endif |
| #endif |
| |
| |
| |
| // |
| // unistd.h |
| // |
| |
| #if defined( _MSC_VER ) |
| EXTERN_C unsigned int sleep( unsigned int sec ); |
| EXTERN_C int usleep( int usec ); |
| #endif |
| |
| |
| |
| // |
| // syscall.h |
| // |
| |
| #if defined( __ANDROID__ ) |
| // Android bionic's isn't providing SYS_sysctl wrappers. |
| #define SYS__sysctl __NR__sysctl |
| #endif |
| |
| |
| |
| // Some tests use _malloca which defined in malloc.h. |
| #if !defined (__APPLE__) |
| #include <malloc.h> |
| #endif |
| |
| |
| // |
| // ??? |
| // |
| |
| #if defined( _MSC_VER ) |
| |
| #define MAXPATHLEN _MAX_PATH |
| |
| EXTERN_C uint64_t ReadTime( void ); |
| EXTERN_C double SubtractTime( uint64_t endTime, uint64_t startTime ); |
| |
| /** Returns the number of leading 0-bits in x, |
| starting at the most significant bit position. |
| If x is 0, the result is undefined. |
| */ |
| EXTERN_C int __builtin_clz(unsigned int pattern); |
| |
| #endif |
| |
| #ifndef MIN |
| #define MIN(x,y) (((x)<(y))?(x):(y)) |
| #endif |
| #ifndef MAX |
| #define MAX(x,y) (((x)>(y))?(x):(y)) |
| #endif |
| |
| |
| /* |
| ------------------------------------------------------------------------------------------------ |
| WARNING: DO NOT USE THESE MACROS: MAKE_HEX_FLOAT, MAKE_HEX_DOUBLE, MAKE_HEX_LONG. |
| |
| This is a typical usage of the macros: |
| |
| double yhi = MAKE_HEX_DOUBLE(0x1.5555555555555p-2,0x15555555555555LL,-2); |
| |
| (taken from math_brute_force/reference_math.c). There are two problems: |
| |
| 1. There is an error here. On Windows in will produce incorrect result |
| `0x1.5555555555555p+50'. To have a correct result it should be written as |
| `MAKE_HEX_DOUBLE(0x1.5555555555555p-2,0x15555555555555LL,-54)'. A proper value of the |
| third argument is not obvious -- sometimes it should be the same as exponent of the |
| first argument, but sometimes not. |
| |
| 2. Information is duplicated. It is easy to make a mistake. |
| |
| Use HEX_FLT, HEX_DBL, HEX_LDBL macros instead (see them in the bottom of the file). |
| ------------------------------------------------------------------------------------------------ |
| */ |
| #if defined ( _MSC_VER ) && ! defined( __INTEL_COMPILER ) |
| |
| #define MAKE_HEX_FLOAT(x,y,z) ((float)ldexp( (float)(y), z)) |
| #define MAKE_HEX_DOUBLE(x,y,z) ldexp( (double)(y), z) |
| #define MAKE_HEX_LONG(x,y,z) ((long double) ldexp( (long double)(y), z)) |
| |
| #else |
| |
| // Do not use these macros in new code, use HEX_FLT, HEX_DBL, HEX_LDBL instead. |
| #define MAKE_HEX_FLOAT(x,y,z) x |
| #define MAKE_HEX_DOUBLE(x,y,z) x |
| #define MAKE_HEX_LONG(x,y,z) x |
| |
| #endif |
| |
| |
| /* |
| ------------------------------------------------------------------------------------------------ |
| HEX_FLT, HEXT_DBL, HEX_LDBL -- Create hex floating point literal of type float, double, long |
| double respectively. Arguments: |
| |
| sm -- sign of number, |
| int -- integer part of mantissa (without `0x' prefix), |
| fract -- fractional part of mantissa (without decimal point and `L' or `LL' suffixes), |
| se -- sign of exponent, |
| exp -- absolute value of (binary) exponent. |
| |
| Example: |
| |
| double yhi = HEX_DBL( +, 1, 5555555555555, -, 2 ); // == 0x1.5555555555555p-2 |
| |
| Note: |
| |
| We have to pass signs as separate arguments because gcc pass negative integer values |
| (e. g. `-2') into a macro as two separate tokens, so `HEX_FLT( 1, 0, -2 )' produces result |
| `0x1.0p- 2' (note a space between minus and two) which is not a correct floating point |
| literal. |
| ------------------------------------------------------------------------------------------------ |
| */ |
| #if defined ( _MSC_VER ) && ! defined( __INTEL_COMPILER ) |
| // If compiler does not support hex floating point literals: |
| #define HEX_FLT( sm, int, fract, se, exp ) sm ldexpf( (float)( 0x ## int ## fract ## UL ), se exp + ilogbf( (float) 0x ## int ) - ilogbf( ( float )( 0x ## int ## fract ## UL ) ) ) |
| #define HEX_DBL( sm, int, fract, se, exp ) sm ldexp( (double)( 0x ## int ## fract ## ULL ), se exp + ilogb( (double) 0x ## int ) - ilogb( ( double )( 0x ## int ## fract ## ULL ) ) ) |
| #define HEX_LDBL( sm, int, fract, se, exp ) sm ldexpl( (long double)( 0x ## int ## fract ## ULL ), se exp + ilogbl( (long double) 0x ## int ) - ilogbl( ( long double )( 0x ## int ## fract ## ULL ) ) ) |
| #else |
| // If compiler supports hex floating point literals: just concatenate all the parts into a literal. |
| #define HEX_FLT( sm, int, fract, se, exp ) sm 0x ## int ## . ## fract ## p ## se ## exp ## F |
| #define HEX_DBL( sm, int, fract, se, exp ) sm 0x ## int ## . ## fract ## p ## se ## exp |
| #define HEX_LDBL( sm, int, fract, se, exp ) sm 0x ## int ## . ## fract ## p ## se ## exp ## L |
| #endif |
| |
| #if defined(__MINGW32__) |
| #include <Windows.h> |
| #define sleep(sec) Sleep((sec) * 1000) |
| #endif |
| |
| #endif // _COMPAT_H_ |