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* [newlib-cygwin] Print sign of NaN values.
@ 2017-06-07 9:58 Corinna Vinschen
0 siblings, 0 replies; only message in thread
From: Corinna Vinschen @ 2017-06-07 9:58 UTC (permalink / raw)
To: newlib-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=beb17b264b69e35763fbdf0a68fbf67343cfbb58
commit beb17b264b69e35763fbdf0a68fbf67343cfbb58
Author: Kito Cheng <kito.cheng@gmail.com>
Date: Sat Jun 3 21:41:29 2017 +0800
Print sign of NaN values.
Diff:
---
newlib/libc/stdio/vfprintf.c | 4 ++++
newlib/libc/stdio/vfwprintf.c | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/newlib/libc/stdio/vfprintf.c b/newlib/libc/stdio/vfprintf.c
index ed92bb2..3585423 100644
--- a/newlib/libc/stdio/vfprintf.c
+++ b/newlib/libc/stdio/vfprintf.c
@@ -1245,6 +1245,8 @@ reswitch: switch (ch) {
break;
}
if (isnan (_fpvalue)) {
+ if (signbit (_fpvalue))
+ sign = '-';
if (ch <= 'G') /* 'A', 'E', 'F', or 'G' */
cp = "NAN";
else
@@ -1276,6 +1278,8 @@ reswitch: switch (ch) {
break;
}
if (expt == 1) {
+ if (signbit (_fpvalue))
+ sign = '-';
if (ch <= 'G') /* 'A', 'E', 'F', or 'G' */
cp = "NAN";
else
diff --git a/newlib/libc/stdio/vfwprintf.c b/newlib/libc/stdio/vfwprintf.c
index f0179a0..4786ed6 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
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2017-06-07 9:58 [newlib-cygwin] Print sign of NaN values Corinna Vinschen
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