diff options
| -rw-r--r-- | common/math.h | 8 | ||||
| -rw-r--r-- | common/scummsys.h | 13 |
2 files changed, 13 insertions, 8 deletions
diff --git a/common/math.h b/common/math.h index b85ec0d22a..ba137101e4 100644 --- a/common/math.h +++ b/common/math.h @@ -52,14 +52,6 @@ #endif #endif -#ifndef M_SQRT1_2 - #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ -#endif - -#ifndef M_PI - #define M_PI 3.14159265358979323846 -#endif - #ifndef FLT_MIN #define FLT_MIN 1E-37 #endif diff --git a/common/scummsys.h b/common/scummsys.h index 291de87dc9..099b12b291 100644 --- a/common/scummsys.h +++ b/common/scummsys.h @@ -144,6 +144,19 @@ #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_SQRT1_2 + #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ +#endif + +#ifndef M_PI + #define M_PI 3.14159265358979323846 +#endif + // Include our C++11 compatability header for pre-C++11 compilers. #if __cplusplus < 201103L #include "common/c++11-compat.h" |