1 files changed, 0 insertions, 29 deletions
diff --git a/src/backend/port/qnx4/isnan.c b/src/backend/port/qnx4/isnan.c
deleted file mode 100644
index e11147265b9..00000000000
--- a/src/backend/port/qnx4/isnan.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * isnan.c
- *	  isnan() implementation
- *
- * Copyright (c) 1999, repas AEG Automation GmbH
- *
- *
- * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/port/qnx4/isnan.c,v 1.5 2004/03/15 03:29:22 tgl Exp $
- *
- *-------------------------------------------------------------------------
- */
-
-#include "c.h"
-
-#include <math.h>
-
-#ifndef __nan_bytes
-#define __nan_bytes			{ 0, 0, 0, 0, 0, 0, 0xf8, 0x7f }
-#endif   /* __nan_bytes */
-
-static unsigned char __nan[8] = __nan_bytes;
-
-int
-isnan(double dsrc)
-{
-	return memcmp(&dsrc, __nan, sizeof(double)) == 0;
-}