1 files changed, 11 insertions, 1 deletions
diff --git a/src/muon.h b/src/muon.h
index e95cb3c..253a9df 100644
--- a/src/muon.h
+++ b/src/muon.h
@@ -1,10 +1,20 @@
 #ifndef MUON_H
 #define MUON_H
 
+#include <stddef.h> /* for size_t */
+
 #define EULER_CONSTANT 0.57721
 
+typedef struct muon_energy {
+    double *x;
+    double *T;
+    size_t n;
+} muon_energy;
+
+muon_energy *muon_init_energy(double T0, double rho, size_t n);
+double muon_get_energy(double x, muon_energy *m);
+void muon_free_energy(muon_energy *m);
 double get_range(double T, double rho);
-double get_T(double T0, double x, double rho);
 double get_dEdx(double T, double rho);
 double get_expected_charge(double x, double T, double T0, double *pos, double *dir, double *pmt_pos, double *pmt_normal, double r);