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-rw-r--r--src/backend/port/isinf.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/backend/port/isinf.c b/src/backend/port/isinf.c
index a704c39bf49..80b05f7a748 100644
--- a/src/backend/port/isinf.c
+++ b/src/backend/port/isinf.c
@@ -1,4 +1,4 @@
-/* $Id: isinf.c,v 1.7 1999/07/15 22:39:38 momjian Exp $ */
+/* $Id: isinf.c,v 1.8 1999/07/16 04:59:35 momjian Exp $ */
#include <math.h>
@@ -26,6 +26,7 @@ isinf(double d)
#if defined(HAVE_FP_CLASS) || defined(HAVE_FP_CLASS_D)
#if HAVE_FP_CLASS_H
+#include <fp_class.h>
#endif
int
isinf(x)