add const

2 files changed, 2 insertions, 2 deletions

diff --git a/src/Panorama.H b/src/Panorama.H
index d6fedcd..cb6327b 100644
--- a/src/Panorama.H
+++ b/src/Panorama.H
@@ -41,7 +41,7 @@ class Panorama {
 
 		double alpha(const Hill *m);
 
-		double nick(Hill *m);
+		double nick(const Hill *m);
 
 		double comp_center_angle(double alph_a, double alph_b, double d1, double d2);
 
diff --git a/src/Panorama.cxx b/src/Panorama.cxx
index 7d357f1..0b99282 100644
--- a/src/Panorama.cxx
+++ b/src/Panorama.cxx
@@ -430,7 +430,7 @@ Panorama::alpha(const Hill *m) {
 
 
 double
-Panorama::nick(Hill *m) {
+Panorama::nick(const Hill *m) {
 	double a, b, c;
 	double beta;