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-rw-r--r--src/backend/port/qnx/rint.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/backend/port/qnx/rint.c b/src/backend/port/qnx/rint.c
new file mode 100644
index 00000000000..8d717425b2e
--- /dev/null
+++ b/src/backend/port/qnx/rint.c
@@ -0,0 +1,31 @@
+/*-------------------------------------------------------------------------
+ *
+ * rint.c
+ * rint() implementation
+ *
+ * Copyright (c) 1999, repas AEG Automation GmbH
+ *
+ *
+ * IDENTIFICATION
+ * $Header: /cvsroot/pgsql/src/backend/port/qnx/Attic/rint.c,v 1.1 1999/12/16 01:25:06 momjian Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include <math.h>
+#include "os.h"
+
+double rint(double x)
+{
+ double f, n = 0.;
+
+ f = modf( x, &n );
+
+ if( x > 0. ) {
+ if( f > .5 ) n += 1.;
+ }
+ else if( x < 0. ) {
+ if( f < -.5 ) n -= 1.;
+ }
+ return n;
+}