From a7d4ccbde10be9c14ae690d3c9a21627195cfaa5 Mon Sep 17 00:00:00 2001
From: "Dr. Orion Lawlor" <lawlor@alaska.edu>
Date: Mon, 17 Apr 2017 21:42:05 -0800
Subject: Fix warnings by including <math.h>

---
 src/survive_data.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/survive_data.c')

diff --git a/src/survive_data.c b/src/survive_data.c
index 0273532..7b9d051 100644
--- a/src/survive_data.c
+++ b/src/survive_data.c
@@ -4,6 +4,7 @@
 #include "survive_internal.h"
 #include <stdint.h>
 #include <string.h>
+#include <math.h> /* for sqrt */
 
 #define USE_TURVEYBIGUATOR
 
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