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-rw-r--r--Python/pymath.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/Python/pymath.c b/Python/pymath.c
index 7c00106..5cf61ab 100644
--- a/Python/pymath.c
+++ b/Python/pymath.c
@@ -35,6 +35,8 @@ copysign(double x, double y)
#endif /* HAVE_COPYSIGN */
#ifndef HAVE_LOG1P
+#include <float.h>
+
double
log1p(double x)
{