src/util/numeric.h

@@ -27,6 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "irr_aabb3d.h"
 #include "SColor.h"
 #include <matrix4.h>
+#include <cmath>
 
 #define rangelim(d, min, max) ((d) < (min) ? (min) : ((d) > (max) ? (max) : (d)))
 #define myfloor(x) ((x) < 0.0 ? (int)(x) - 1 : (int)(x))
@@ -195,30 +196,10 @@ struct MeshGrid {
  *
  *  \note This is also used in cases where degrees wrapped to the range [0, 360]
  *  is innapropriate (e.g. pitch needs negative values)
- *
- *  \internal functionally equivalent -- although precision may vary slightly --
- *  to fmodf((f), 360.0f) however empirical tests indicate that this approach is
- *  faster.
  */
 inline float modulo360f(float f)
 {
-	int sign;
-	int whole;
-	float fraction;
-
-	if (f < 0) {
-		f = -f;
-		sign = -1;
-	} else {
-		sign = 1;
-	}
-
-	whole = f;
-
-	fraction = f - whole;
-	whole %= 360;
-
-	return sign * (whole + fraction);
+	return fmodf(f, 360.0f);
 }