1 files changed, 6 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h
index 7622269..706928d 100644
--- a/src/util.h
+++ b/src/util.h
@@ -6,8 +6,13 @@
 #define UTIL_H
 
 #include <QPoint>
+#include <QString>
 #include <cmath>
 
+#ifndef M_PI
+#define M_PI 3.14159265358979323846264338327950288
+#endif
+
 // interpolate on a cubic bezier curve
 float bezierInterpolate(float dist, float c0, float c1, float c2, float c3);
 QPointF bezierInterpolateFull (float dist, QPointF c0, QPointF c1, QPointF c2, QPointF c3);
@@ -15,6 +20,7 @@ QPointF bezierInterpolateFull (float dist, QPointF c0, QPointF c1, QPointF c2, Q
 // rounding
 float roundToNearest(float stepSize, float val);
 float radiansToDegrees (float radians);
+QString floatToString(float f);
 
 // angles
 float degreesToRadians(float degrees);