From 7d58530341304d403a6626d7f7a1913165fe2f32 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 22 Dec 2004 20:09:42 +0000
Subject: Test for stack alignment.

---
 misc/qefgcvt_r.c  | 12 ++++++++++++
 misc/tst-efgcvt.c |  7 ++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

(limited to 'misc')

diff --git a/misc/qefgcvt_r.c b/misc/qefgcvt_r.c
index 66cc049..d5b2a79 100644
--- a/misc/qefgcvt_r.c
+++ b/misc/qefgcvt_r.c
@@ -24,6 +24,7 @@
 #define FUNC_PREFIX q
 #define FLOAT_FMT_FLAG "L"
 #define FLOAT_NAME_EXT l
+#define FLOAT_MIN_10_EXP LDBL_MIN_10_EXP
 #if LDBL_MANT_DIG == 64
 # define NDIGIT_MAX 21
 #elif LDBL_MANT_DIG == 53
@@ -40,5 +41,16 @@
 # error "NDIGIT_MAX must be precomputed"
 # define NDIGIT_MAX (lrint (ceil (M_LN2 / M_LN10 * LDBL_MANT_DIG + 1.0)))
 #endif
+#if LDBL_MIN_10_EXP == -37
+# define FLOAT_MIN_10_NORM	1.0e-37L
+#elif LDBL_MIN_10_EXP == -307
+# define FLOAT_MIN_10_NORM	1.0e-307L
+#elif LDBL_MIN_10_EXP == -4931
+# define FLOAT_MIN_10_NORM	1.0e-4931L
+#else
+/* libc can't depend on libm.  */
+# error "FLOAT_MIN_10_NORM must be precomputed"
+# define FLOAT_MIN_10_NORM	exp10l (LDBL_MIN_10_EXP)
+#endif
 
 #include "efgcvt_r.c"
diff --git a/misc/tst-efgcvt.c b/misc/tst-efgcvt.c
index 91e5cf9..30ab0f1 100644
--- a/misc/tst-efgcvt.c
+++ b/misc/tst-efgcvt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 2000, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -20,6 +20,7 @@
 # define _GNU_SOURCE	1
 #endif
 
+#include <float.h>
 #include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -59,6 +60,10 @@ static testcase ecvt_tests[] =
   { 123.01, -4, 3, "" },
   { 126.71, -4, 3, "" },
   { 0.0, 4, 1, "0000" },
+#if DBL_MANT_DIG == 53
+  { 0x1p-1074, 3, -323, "494" },
+  { -0x1p-1074, 3, -323, "494" },
+#endif
   /* -1.0 is end marker.  */
   { -1.0, 0, 0, "" }
 };
-- 
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