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Print sign of NaN values.

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This commit is contained in:
Ulrich Drepper
2009-08-23 11:57:52 -07:00
parent 659a63fb7b
commit 003c9895a8
4 changed files with 124 additions and 20 deletions
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9
stdio-common/printf_fp.c
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@@ -28,6 +28,7 @@
#include <float.h>
#include <gmp-mparam.h>
#include <gmp.h>
#include <ieee754.h>
#include <stdlib/gmp-impl.h>
#include <stdlib/longlong.h>
#include <stdlib/fpioconst.h>
@@ -335,6 +336,8 @@ ___printf_fp (FILE *fp,
/* Check for special values: not a number or infinity. */
if (__isnanl (fpnum.ldbl))
{
union ieee854_long_double u = { .d = fpnum.ldbl };
is_neg = u.ieee.negative != 0;
if (isupper (info->spec))
{
special = "NAN";
@@ -345,10 +348,10 @@ ___printf_fp (FILE *fp,
special = "nan";
wspecial = L"nan";
}
is_neg = 0;
}
else if (__isinfl (fpnum.ldbl))
{
is_neg = fpnum.ldbl < 0;
if (isupper (info->spec))
{
special = "INF";
@@ -359,7 +362,6 @@ ___printf_fp (FILE *fp,
special = "inf";
wspecial = L"inf";
}
is_neg = fpnum.ldbl < 0;
}
else
{
@@ -379,7 +381,8 @@ ___printf_fp (FILE *fp,
/* Check for special values: not a number or infinity. */
if (__isnan (fpnum.dbl))
{
is_neg = 0;
union ieee754_double u = { .d = fpnum.dbl };
is_neg = u.ieee.negative != 0;
if (isupper (info->spec))
{
special = "NAN";