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Print sign of NaN values.

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This commit is contained in:
Kito Cheng 2017-06-03 21:41:29 +08:00 committed by Corinna Vinschen
parent 105436dead
commit beb17b264b
2 changed files with 8 additions and 0 deletions
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4
newlib/libc/stdio/vfprintf.c
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@ -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

4
newlib/libc/stdio/vfwprintf.c
View File

@ -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