optimize deg2rad

panda/src/linmath/deg_2_rad.h

@@ -24,11 +24,11 @@
 #include "mathNumbers.h"
 
 BEGIN_PUBLISH
-INLINE_LINMATH double deg_2_rad( double f ) { return f * (MathNumbers::pi / 180.0); }
-INLINE_LINMATH double rad_2_deg( double f ) { return f * (180.0 / MathNumbers::pi); }
+INLINE_LINMATH double deg_2_rad( double f ) { return f * MathNumbers::deg_2_rad; }
+INLINE_LINMATH double rad_2_deg( double f ) { return f * MathNumbers::rad_2_deg; }
 
-INLINE_LINMATH float deg_2_rad( float f ) { return f * (MathNumbers::pi_f / 180.0f); }
-INLINE_LINMATH float rad_2_deg( float f ) { return f * (180.0f / MathNumbers::pi_f); }
+INLINE_LINMATH float deg_2_rad( float f ) { return f * MathNumbers::deg_2_rad_f; }
+INLINE_LINMATH float rad_2_deg( float f ) { return f * MathNumbers::rad_2_deg_f; }
 END_PUBLISH
 
 #endif

panda/src/linmath/mathNumbers.cxx

@@ -21,6 +21,11 @@
 
 const double MathNumbers::pi = 4.0 * atan(1.0);
 const double MathNumbers::ln2 = log(2.0);
+const double MathNumbers::rad_2_deg = 180.0 / MathNumbers::pi;
+const double MathNumbers::deg_2_rad = MathNumbers::pi / 180.0;
 
 const float MathNumbers::pi_f = 4.0 * atan(1.0);
 const float MathNumbers::ln2_f = log(2.0);
+const float MathNumbers::rad_2_deg_f = 180.0 / MathNumbers::pi;
+const float MathNumbers::deg_2_rad_f = MathNumbers::pi / 180.0;
+

panda/src/linmath/mathNumbers.h

@@ -23,10 +23,14 @@
 class EXPCL_PANDA MathNumbers {
 PUBLISHED:
   static const float pi_f;
+  static const float rad_2_deg_f;
+  static const float deg_2_rad_f;
   static const float ln2_f;
 
   static const double pi;
   static const double ln2;
+  static const double rad_2_deg;
+  static const double deg_2_rad;
 };
 
 #endif