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Diffstat (limited to 'sysdeps/ieee754/dbl-64/s_tan.c')
-rw-r--r--sysdeps/ieee754/dbl-64/s_tan.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_tan.c b/sysdeps/ieee754/dbl-64/s_tan.c
index 7b5dc4f3da..88aabfd05a 100644
--- a/sysdeps/ieee754/dbl-64/s_tan.c
+++ b/sysdeps/ieee754/dbl-64/s_tan.c
@@ -36,6 +36,8 @@
 #include "dla.h"
 #include "mpa.h"
 #include "MathLib.h"
+#include "math.h"
+
 static double tanMp(double);
 void __mptan(double, mp_no *, int);