X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_nan_inf.c;h=ce0873e5ed37003c7e4c12dd7ae29866870aae0a;hb=d8c6bad0b7fa3852c16c1bdd65f9ce079e6920c7;hp=9fc3b616ff010d8d86b2c15b19f71f674c68cb4a;hpb=334f12e572cba1d189fba8ac28fbeceb9ae306d2;p=rrdtool.git

diff --git a/src/rrd_nan_inf.c b/src/rrd_nan_inf.c
index 9fc3b61..ce0873e 100644
--- a/src/rrd_nan_inf.c
+++ b/src/rrd_nan_inf.c
@@ -2,6 +2,8 @@
 
 #if defined(WIN32)
 
+#include <math.h>
+
 double set_to_DNAN(void) { return (double)fmod(0.0,0.0); }
 double set_to_DINF(void) { return (double)fabs((double)log(0.0)); }