diff options
| author | Kito Cheng <kito.cheng@gmail.com> | 2017-06-03 21:41:29 +0800 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2017-06-07 11:50:31 +0200 |
| commit | beb17b264b69e35763fbdf0a68fbf67343cfbb58 (patch) | |
| tree | f3dabd096824b8404843e128bf8779cc6a7c84ff /newlib/libc/stdio/vfwprintf.c | |
| parent | 105436deada6be04d1df199e7281f1d0dbb929b0 (diff) | |
| download | cygnal-beb17b264b69e35763fbdf0a68fbf67343cfbb58.tar.gz cygnal-beb17b264b69e35763fbdf0a68fbf67343cfbb58.tar.bz2 cygnal-beb17b264b69e35763fbdf0a68fbf67343cfbb58.zip | |
Print sign of NaN values.
Diffstat (limited to 'newlib/libc/stdio/vfwprintf.c')
| -rw-r--r-- | newlib/libc/stdio/vfwprintf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/newlib/libc/stdio/vfwprintf.c b/newlib/libc/stdio/vfwprintf.c index f0179a014..4786ed6a9 100644 --- a/newlib/libc/stdio/vfwprintf.c +++ b/newlib/libc/stdio/vfwprintf.c @@ -970,6 +970,8 @@ reswitch: switch (ch) { break; } if (isnan (_fpvalue)) { + if (signbit (_fpvalue)) + sign = L'-'; if (ch <= L'G') /* 'A', 'E', 'F', or 'G' */ cp = L"NAN"; else @@ -1001,6 +1003,8 @@ reswitch: switch (ch) { break; } if (expt == 1) { + if (signbit (_fpvalue)) + sign = L'-'; if (ch <= L'G') /* 'A', 'E', 'F', or 'G' */ cp = L"NAN"; else |