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-rw-r--r--test/math/ilogb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/math/ilogb.c b/test/math/ilogb.c
index e439f8c37..041e66b0e 100644
--- a/test/math/ilogb.c
+++ b/test/math/ilogb.c
@@ -1,4 +1,5 @@
#include <math.h>
+#include <float.h>
#include <stdlib.h>
#include <stdint.h>
#include <limits.h>