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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:09:42 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:09:42 +0000
commit7d58530341304d403a6626d7f7a1913165fe2f32 (patch)
tree471ef022d415c89ff4b5544a5e0239a9ac45d841 /misc
parentec8c29dc013a5e0ca3330ce5e4ae989e811491e6 (diff)
downloadglibc-7d58530341304d403a6626d7f7a1913165fe2f32.tar.gz
Test for stack alignment.
Diffstat (limited to 'misc')
-rw-r--r--misc/qefgcvt_r.c12
-rw-r--r--misc/tst-efgcvt.c7
2 files changed, 18 insertions, 1 deletions
diff --git a/misc/qefgcvt_r.c b/misc/qefgcvt_r.c
index 66cc049ec8..d5b2a799b3 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 91e5cf929e..30ab0f17a0 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, "" }
};