1 files changed, 1 insertions, 0 deletions
diff --git a/src/muon.h b/src/muon.h
index a8d2ea1..8e1d39e 100644
--- a/src/muon.h
+++ b/src/muon.h
@@ -30,6 +30,7 @@
  * FIXME: Actually determine what this is. */
 #define MUON_PHOTONS_PER_MEV 7368.0
 
+double muon_get_max_energy(void);
 double muon_get_shower_photons(double T0, double rad);
 void muon_get_position_distribution_parameters(double T0, double *a, double *b);
 double muon_get_angular_distribution_alpha(double T0);