SunOS 4.0.3's printf and -0
Arthur David Olson
elsie!ado at ncifcrf.gov
Sun Aug 20 06:52:24 AEST 1989
An interesting result from SunOS 4.0.3's printf (with a tip of the hat to
IEEE):
Script started on Sat Aug 19 15:40:36 1989
elsie$ cat try.c
#include <stdio.h>
main()
{
float f, g, h, i;
f = -1;
g = 0;
h = f * g;
i = h;
(void) printf("%g %g\n", h, i);
if (i == 0)
i = 0;
(void) printf("%g %g\n", h, i);
return 0;
}
elsie$ cc try.c
elsie$ a.out
-0 -0
-0 0
elsie$ exit
script done on Sat Aug 19 15:40:52 1989
--
Arthur David Olson ado at alw.nih.gov ADO is a trademark of Ampex.
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