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* stdio-common/printf_fp.c (___printf_fp): Don't print negative sign

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for exponent 0.
	* stdio-common/tfformat.c (sprint_doubles): Add a new test.
This commit is contained in:
Ulrich Drepper 2007-04-30 22:33:44 +00:00
parent 37f02b1da5
commit b866373d82
3 changed files with 13 additions and 1 deletions
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4
ChangeLog
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@ -1,5 +1,9 @@
2007-04-30 Jakub Jelinek <jakub@redhat.com>
* stdio-common/printf_fp.c (___printf_fp): Don't print negative sign
for exponent 0.
* stdio-common/tfformat.c (sprint_doubles): Add a new test.
[BZ #4439]
* resolv/inet_ntop.c (inet_ntop4): Take terminating '\0' into
account in the size check.

8
stdio-common/printf_fp.c
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@ -793,7 +793,7 @@ ___printf_fp (FILE *fp,
else
{
/* This is a special case. We don't need a factor because the
numbers are in the range of 0.0 <= fp < 8.0. We simply
numbers are in the range of 1.0 <= |fp| < 8.0. We simply
shift it to the right place and divide it by 1.0 to get the
leading digit. (Of course this division is not really made.) */
assert (0 <= exponent && exponent < 3 &&
@ -1013,6 +1013,12 @@ ___printf_fp (FILE *fp,
{
*wstartp = '1';
exponent += expsign == 0 ? 1 : -1;
/* The above exponent adjustment could lead to 1.0e-00,
e.g. for 0.999999999. Make sure exponent 0 always
uses + sign. */
if (exponent == 0)
expsign = 0;
}
else if (intdig_no == dig_max)
{

2
stdio-common/tfformat.c
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@ -4021,6 +4021,8 @@ sprint_double_type sprint_doubles[] =
{__LINE__, 0.000098, "0.0001", "%#.0g"},
{__LINE__, 0.0000996, "0.00010", "%#.2g"},
{__LINE__, 9.999999999999999e-05, "0.0001", "%g"},
{__LINE__, 1.0, "1.000000e+00", "%e"},
{__LINE__, .9999999999999999, "1.000000e+00", "%e"},
{0 }