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-rw-r--r--lib/libm/__math_uflow.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libm/__math_uflow.c b/lib/libm/__math_uflow.c
index b90594ae..6bf63f36 100644
--- a/lib/libm/__math_uflow.c
+++ b/lib/libm/__math_uflow.c
@@ -1,4 +1,6 @@
-#include "libm.h"
+#include "libm.h" // for __math_xflow, __math_uflow
+
+#include <stdint.h> // for uint32_t
double __math_uflow(uint32_t sign)
{