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-rw-r--r--src/scalar.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/scalar.c b/src/scalar.c
index 3ecd446..07dc77b 100644
--- a/src/scalar.c
+++ b/src/scalar.c
@@ -29,6 +29,10 @@
#include <math.h>
#include <limits.h>
+#ifndef DBL_MAX
+#include <float.h> /* on Linux DBL_MAX is in float.h */
+#endif
+
#include "dywapitchtrack/dywapitchtrack.h"
#include "../xtract/libxtract.h"