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-rw-r--r--trek/trek.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/trek/trek.h b/trek/trek.h
index 99c61e48..36dbb444 100644
--- a/trek/trek.h
+++ b/trek/trek.h
@@ -47,6 +47,8 @@
/********************* GALAXY **************************/
+#include <float.h>
+
/* galactic parameters */
#define NSECTS 10 /* dimensions of quadrant in sectors */
#define NQUADS 8 /* dimension of galazy in quadrants */