1 files changed, 41 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/angle.h b/Build/source/utils/asymptote/angle.h
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index 00000000000..0adaa4a3d31
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+++ b/Build/source/utils/asymptote/angle.h
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+/*****
+ * angle.h
+ * Andy Hammerlindl 2004/04/29
+ *
+ * For degree to radian conversion and visa versa.
+ *****/
+
+#ifndef ANGLE_H
+#define ANGLE_H
+
+#include <cmath>
+#include "camperror.h"
+
+namespace camp {
+
+const double PI=acos(-1.0);
+
+const double Cpiby180=PI/180.0;
+const double C180bypi=180.0/PI;
+  
+inline double radians(double theta)
+{
+  return theta*Cpiby180;
+}
+
+inline double degrees(double theta)
+{
+  return theta*C180bypi;
+}
+
+// Wrapper for atan2 with sensible (lexical) argument order and (0,0) check
+inline double angle(double x, double y)
+{
+  if(x == 0.0 && y == 0.0)
+    reportError("taking angle of (0,0)");
+  return atan2(y,x);
+}
+  
+} //namespace camp
+
+#endif