diff options
Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/wtf/MathExtras.h')
| -rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/wtf/MathExtras.h | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/MathExtras.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/MathExtras.h index a18949e..fc5676a 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/MathExtras.h +++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/MathExtras.h @@ -27,6 +27,7 @@ #define WTF_MathExtras_h #include <float.h> +#include <limits> #include <math.h> #include <stdlib.h> @@ -39,13 +40,6 @@ #include <machine/ieee.h> #endif -#if COMPILER(MSVC) -#if OS(WINCE) -#include <stdlib.h> -#endif -#include <limits> -#endif - #ifndef M_PI const double piDouble = 3.14159265358979323846; const float piFloat = 3.14159265358979323846f; @@ -186,4 +180,26 @@ inline float deg2turn(float d) { return d / 360.0f; } inline float rad2grad(float r) { return r * 200.0f / piFloat; } inline float grad2rad(float g) { return g * piFloat / 200.0f; } +#if COMPILER(MINGW64) && (!defined(__MINGW64_VERSION_RC) || __MINGW64_VERSION_RC < 1) +inline double wtf_pow(double x, double y) +{ + // MinGW-w64 has a custom implementation for pow. + // This handles certain special cases that are different. + if ((x == 0.0 || isinf(x)) && isfinite(y)) { + double f; + if (modf(y, &f) != 0.0) + return ((x == 0.0) ^ (y > 0.0)) ? std::numeric_limits<double>::infinity() : 0.0; + } + + if (x == 2.0) { + int yInt = static_cast<int>(y); + if (y == yInt) + return ldexp(1.0, yInt); + } + + return pow(x, y); +} +#define pow(x, y) wtf_pow(x, y) +#endif // COMPILER(MINGW64) && (!defined(__MINGW64_VERSION_RC) || __MINGW64_VERSION_RC < 1) + #endif // #ifndef WTF_MathExtras_h |