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From: Corinna Vinschen <corinna@sourceware.org> To: newlib-cvs@sourceware.org Subject: [newlib-cygwin] nano-vfprintf_float.c: Fix check if negative for nans. Date: Thu, 13 Dec 2018 12:16:00 -0000 [thread overview] Message-ID: <20181213121634.55679.qmail@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=b3692aed5e48b6107afba6aab21d03191dc80117 commit b3692aed5e48b6107afba6aab21d03191dc80117 Author: Jon Beniston <jon@beniston.com> Date: Tue Dec 11 21:03:03 2018 +0000 nano-vfprintf_float.c: Fix check if negative for nans. Diff: --- newlib/libc/stdio/nano-vfprintf_float.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/newlib/libc/stdio/nano-vfprintf_float.c b/newlib/libc/stdio/nano-vfprintf_float.c index 071a09e..524f67a 100644 --- a/newlib/libc/stdio/nano-vfprintf_float.c +++ b/newlib/libc/stdio/nano-vfprintf_float.c @@ -39,6 +39,7 @@ #include <string.h> #include <limits.h> #include <stdint.h> +#include <math.h> #include <wchar.h> #include <sys/lock.h> #include <stdarg.h> @@ -213,7 +214,7 @@ _printf_float (struct _reent *data, } if (isnan (_fpvalue)) { - if (_fpvalue < 0) + if (signbit (_fpvalue)) pdata->l_buf[0] = '-'; if (code <= 'G') /* 'A', 'E', 'F', or 'G'. */ cp = "NAN";
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