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author | Johannes Schickel | 2013-08-02 06:46:45 -0700 |
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committer | Johannes Schickel | 2013-08-02 06:46:45 -0700 |
commit | 5a7bba35ed5c4402d064d3cb95fef622a12b3001 (patch) | |
tree | ec79f276b89e2ae09cf6d73174cc57bd69e798d0 | |
parent | cb7e9774b0200a7aa58df4508a992287375b1e12 (diff) | |
parent | 17ccd18ed3a41702ac7de7e55fca09578f734ccb (diff) | |
download | scummvm-rg350-5a7bba35ed5c4402d064d3cb95fef622a12b3001.tar.gz scummvm-rg350-5a7bba35ed5c4402d064d3cb95fef622a12b3001.tar.bz2 scummvm-rg350-5a7bba35ed5c4402d064d3cb95fef622a12b3001.zip |
Merge pull request #363 from digitall/EnsurePI
Fix compilation with C++11 enabled on Win64 x86_64 toolchain... and probably others.
-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" |