[PATCH] Print sign of NaN values to nano-vfprintf.

[Kumar Gala]

Signed-off-by: Kumar Gala <***@linaro.org>
---
newlib/libc/stdio/nano-vfprintf_float.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/newlib/libc/stdio/nano-vfprintf_float.c b/newlib/libc/stdio/nano-vfprintf_float.c
index 98893e97b..071a09edc 100644
--- a/newlib/libc/stdio/nano-vfprintf_float.c
+++ b/newlib/libc/stdio/nano-vfprintf_float.c
@@ -213,6 +213,8 @@ _printf_float (struct _reent *data,
}
if (isnan (_fpvalue))
{
+ if (_fpvalue < 0)
+ pdata->l_buf[0] = '-';
if (code <= 'G') /* 'A', 'E', 'F', or 'G'. */
cp = "NAN";
else

[Corinna Vinschen]

Post by Kumar Gala
---
newlib/libc/stdio/nano-vfprintf_float.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/newlib/libc/stdio/nano-vfprintf_float.c b/newlib/libc/stdio/nano-vfprintf_float.c
index 98893e97b..071a09edc 100644
--- a/newlib/libc/stdio/nano-vfprintf_float.c
+++ b/newlib/libc/stdio/nano-vfprintf_float.c
@@ -213,6 +213,8 @@ _printf_float (struct _reent *data,
}
if (isnan (_fpvalue))
{
+ if (_fpvalue < 0)
+ pdata->l_buf[0] = '-';
if (code <= 'G') /* 'A', 'E', 'F', or 'G'. */
cp = "NAN";
else
--
2.14.4

Any comment from the nano-printf guys?

Thanks,
Corinna

[Corinna Vinschen]

Post by Kumar Gala
---
newlib/libc/stdio/nano-vfprintf_float.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/newlib/libc/stdio/nano-vfprintf_float.c b/newlib/libc/stdio/nano-vfprintf_float.c
index 98893e97b..071a09edc 100644
--- a/newlib/libc/stdio/nano-vfprintf_float.c
+++ b/newlib/libc/stdio/nano-vfprintf_float.c
@@ -213,6 +213,8 @@ _printf_float (struct _reent *data,
}
if (isnan (_fpvalue))
{
+ if (_fpvalue < 0)
+ pdata->l_buf[0] = '-';
if (code <= 'G') /* 'A', 'E', 'F', or 'G'. */
cp = "NAN";
else
--
2.14.4

Pushed.


Thanks,
Corinna