From 1bc2d544b979164a276f9e6052f0b6d23af59b60 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Mon, 15 Mar 2004 03:29:22 +0000
Subject: Localize our dependencies on the way to create NAN or INFINITY. Per
 recent proposal to pghackers.

---
 src/backend/utils/adt/numeric.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

(limited to 'src/backend/utils/adt/numeric.c')

diff --git a/src/backend/utils/adt/numeric.c b/src/backend/utils/adt/numeric.c
index f093c414ee5..341bd9cc4c5 100644
--- a/src/backend/utils/adt/numeric.c
+++ b/src/backend/utils/adt/numeric.c
@@ -14,7 +14,7 @@
  * Copyright (c) 1998-2003, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/numeric.c,v 1.71 2004/02/04 01:11:47 neilc Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/numeric.c,v 1.72 2004/03/15 03:29:22 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -42,15 +42,6 @@
  */
 
 
-/* ----------
- * Local definitions
- * ----------
- */
-#ifndef NAN
-#define NAN		(0.0/0.0)
-#endif
-
-
 /* ----------
  * Local data types
  *
@@ -1790,7 +1781,7 @@ numeric_float8(PG_FUNCTION_ARGS)
 	Datum		result;
 
 	if (NUMERIC_IS_NAN(num))
-		PG_RETURN_FLOAT8(NAN);
+		PG_RETURN_FLOAT8(get_float8_nan());
 
 	tmp = DatumGetCString(DirectFunctionCall1(numeric_out,
 											  NumericGetDatum(num)));
@@ -1811,7 +1802,7 @@ numeric_float8_no_overflow(PG_FUNCTION_ARGS)
 	double		val;
 
 	if (NUMERIC_IS_NAN(num))
-		PG_RETURN_FLOAT8(NAN);
+		PG_RETURN_FLOAT8(get_float8_nan());
 
 	val = numeric_to_double_no_overflow(num);
 
@@ -1850,7 +1841,7 @@ numeric_float4(PG_FUNCTION_ARGS)
 	Datum		result;
 
 	if (NUMERIC_IS_NAN(num))
-		PG_RETURN_FLOAT4((float4) NAN);
+		PG_RETURN_FLOAT4(get_float4_nan());
 
 	tmp = DatumGetCString(DirectFunctionCall1(numeric_out,
 											  NumericGetDatum(num)));
-- 
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