#include <TMath.h>
-static const Double_t k2PI = 2*TMath::Pi();
-static const Double_t kDegrad = TMath::Pi()/180;
-static const Double_t kRaddeg = 180/TMath::Pi();
+static const Double_t k2PI = TMath::TwoPi();
+static const Double_t kDegrad = TMath::DegToRad();
+static const Double_t kRaddeg = TMath::RadToDeg();
#endif