diff options
Diffstat (limited to 'common/scummsys.h')
| -rw-r--r-- | common/scummsys.h | 74 |
1 files changed, 71 insertions, 3 deletions
diff --git a/common/scummsys.h b/common/scummsys.h index 291de87dc9..b8cf7678a4 100644 --- a/common/scummsys.h +++ b/common/scummsys.h @@ -8,12 +8,12 @@ * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. - + * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. @@ -23,6 +23,10 @@ #ifndef COMMON_SCUMMSYS_H #define COMMON_SCUMMSYS_H +#ifndef __has_feature // Optional of course. + #define __has_feature(x) 0 // Compatibility with non-clang compilers. +#endif + // This is a convenience macro to test whether the compiler used is a GCC // version, which is at least major.minor. #define GCC_ATLEAST(major, minor) (defined(__GNUC__) && (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))) @@ -42,7 +46,7 @@ #if defined(WIN32) - #ifdef _MSC_VER + #if defined(_MSC_VER) && _MSC_VER <= 1800 // FIXME: The placement of the workaround functions for MSVC below // require us to include stdio.h and stdarg.h for MSVC here. This @@ -144,6 +148,63 @@ #endif #endif +// The following math constants are usually defined by the system math.h header, but +// they are not part of the ANSI C++ standards and so can NOT be relied upon to be +// present i.e. when -std=c++11 is passed to GCC, enabling strict ANSI compliance. +// As we rely on these being present, we define them if they are not set. + +#ifndef M_E + #define M_E 2.7182818284590452354 /* e */ +#endif + +#ifndef M_LOG2E + #define M_LOG2E 1.4426950408889634074 /* log_2 e */ +#endif + +#ifndef M_LOG10E + #define M_LOG10E 0.43429448190325182765 /* log_10 e */ +#endif + +#ifndef M_LN2 + #define M_LN2 0.69314718055994530942 /* log_e 2 */ +#endif + +#ifndef M_LN10 + #define M_LN10 2.30258509299404568402 /* log_e 10 */ +#endif + +#ifndef M_PI + #define M_PI 3.14159265358979323846 /* pi */ +#endif + +#ifndef M_PI_2 + #define M_PI_2 1.57079632679489661923 /* pi/2 */ +#endif + +#ifndef M_PI_4 + #define M_PI_4 0.78539816339744830962 /* pi/4 */ +#endif + +#ifndef M_1_PI + #define M_1_PI 0.31830988618379067154 /* 1/pi */ +#endif + +#ifndef M_2_PI + #define M_2_PI 0.63661977236758134308 /* 2/pi */ +#endif + +#ifndef M_2_SQRTPI + #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */ +#endif + +#ifndef M_SQRT2 + #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ +#endif + +#ifndef M_SQRT1_2 + #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ +#endif + // Include our C++11 compatability header for pre-C++11 compilers. #if __cplusplus < 201103L #include "common/c++11-compat.h" @@ -344,6 +405,13 @@ typedef unsigned int uint32; typedef signed int int32; typedef unsigned int uint; + #ifdef __PLAYSTATION2__ + typedef signed long int64; + typedef unsigned long uint64; + #else + typedef signed long long int64; + typedef unsigned long long uint64; + #endif #endif |