New dmnsn_radians() and dmnsn_degrees() conversion functions.

1 files changed, 13 insertions, 1 deletions

diff --git a/libdimension/dimension/geometry.h b/libdimension/dimension/geometry.h
index d55126d..c9f036f 100644
--- a/libdimension/dimension/geometry.h
+++ b/libdimension/dimension/geometry.h
@@ -70,7 +70,7 @@ static const dmnsn_vector dmnsn_x    = { 1.0, 0.0, 0.0 };
 static const dmnsn_vector dmnsn_y    = { 0.0, 1.0, 0.0 };
 static const dmnsn_vector dmnsn_z    = { 0.0, 0.0, 1.0 };
 
-/* Min/max macros */
+/* Scalar functions */
 
 DMNSN_INLINE double
 dmnsn_min(double a, double b)
@@ -84,6 +84,18 @@ dmnsn_max(double a, double b)
   return a > b ? a : b;
 }
 
+DMNSN_INLINE double
+dmnsn_radians(double degrees)
+{
+  return degrees*M_PI/180.0;
+}
+
+DMNSN_INLINE double
+dmnsn_degrees(double radians)
+{
+  return radians*180.0/M_PI;
+}
+
 /* Shorthand for vector/matrix construction */
 
 DMNSN_INLINE dmnsn_vector