From d805d82f2058fbaccdd2a137a2f4fead1fe18229 Mon Sep 17 00:00:00 2001
From: kleink <kleink@NetBSD.org>
Date: Fri, 24 Oct 2003 15:54:46 +0000
Subject: [PATCH] Make this test the currently libc-internal isnanl() as well.
 While I'm here, turn these into assert(3)-based tests.

---
 regress/lib/libc/ieeefp/nan/Makefile |  6 +++++-
 regress/lib/libc/ieeefp/nan/nan.c    | 12 ++++++------
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/regress/lib/libc/ieeefp/nan/Makefile b/regress/lib/libc/ieeefp/nan/Makefile
index 92ef41e25c10..be1fa5ec7031 100644
--- a/regress/lib/libc/ieeefp/nan/Makefile
+++ b/regress/lib/libc/ieeefp/nan/Makefile
@@ -1,9 +1,13 @@
-#	$NetBSD: Makefile,v 1.3 2002/09/18 05:41:39 lukem Exp $
+#	$NetBSD: Makefile,v 1.4 2003/10/24 15:54:46 kleink Exp $
 
 NOMAN=		# defined
 
 PROG=		nan
 
+# the next two lines are required for _isnanl(), which is internal to libc
+CPPFLAGS+=	-I${NETBSDSRCDIR}/lib/libc/include
+CPPFLAGS+=	-D_LIBC
+
 regress: ${PROG}
 	./${PROG}
 
diff --git a/regress/lib/libc/ieeefp/nan/nan.c b/regress/lib/libc/ieeefp/nan/nan.c
index 181674cb883e..73b3cf4a69b0 100644
--- a/regress/lib/libc/ieeefp/nan/nan.c
+++ b/regress/lib/libc/ieeefp/nan/nan.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: nan.c,v 1.2 2003/10/22 23:57:04 kleink Exp $	*/
+/*	$NetBSD: nan.c,v 1.3 2003/10/24 15:54:46 kleink Exp $	*/
 
 /*
  * This file is in the Public Domain.
@@ -10,19 +10,19 @@
 
 /*
  * Check that NAN (alias __nanf) really is not-a-number.
- * Alternatively, check that isnan() minimally works.
+ * Alternatively, check that isnan() and _isnanl() minimally work.
  */
 
-#include <err.h>
+#include "namespace.h"
+#include <assert.h>
 #include <math.h>
-#include <stdlib.h>
 
 int
 main(int argc, char **argv)
 {
 
 	/* NAN is meant to be a NaN. */
-	if (!isnan(NAN))
-		errx(1, "NAN is a number");
+	assert(isnan(NAN));
+	assert(_isnanl(NAN));
 	return 0;
 }