1 files changed, 5 insertions, 1 deletions
diff --git a/src/quad.h b/src/quad.h
index 51ff6ee..e95ae37 100644
--- a/src/quad.h
+++ b/src/quad.h
@@ -19,12 +19,16 @@
 
 #include "event.h"
 #include <stdlib.h> /* for size_t */
+#include <gsl/gsl_rng.h>
 
 /* Maximum number of quad cloud points. */
 #define QUAD_MAX 10000
 
+/* Maximum number of PE to consider when calculating P(> 1 hit|q) */
+#define QUAD_MAX_PE 10
+
 extern char quad_err[256];
 
-int quad(event *ev, double *pos, double *t0, size_t npoints);
+int quad(event *ev, double *pos, double *t0, size_t npoints, double f);
 
 #endif