MS VisualStudio .NET 7.0 has M_PI_4 in math.h

26 years ago · 6b206a66a4
1 changed files with 2 additions and 0 deletions
--- a/main/win95nt.h
+++ b/main/win95nt.h
@ -39,7 +39,9 @@ typedef long pid_t;
 #define M_PI             3.14159265358979323846
 #define M_TWOPI         (M_PI * 2.0)
 #define M_PI_2           1.57079632679489661923
+#ifndef M_PI_4
 #define M_PI_4           0.78539816339744830962
+#endif

 #if !PHP_DEBUG
 #ifdef inline