1 files changed, 1 insertions, 0 deletions
diff --git a/muon.h b/muon.h
index 461339b..d8efcb9 100644
--- a/muon.h
+++ b/muon.h
@@ -2,6 +2,7 @@
 #define MUON_H
 
 double get_range(double T, double rho);
+double get_E(double T, double x, double rho);
 double get_dEdx(double T, double rho);
 
 #endif