.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\"
+.\" %%%LICENSE_START(VERBATIM)
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
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+.\" %%%LICENSE_END
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.\" References consulted:
.\" Linux libc source code
a NaN with the sign bit of \fIy\fP is returned.
.SH ERRORS
No errors occur.
-.SH "CONFORMING TO"
+.SH CONFORMING TO
C99, POSIX.1-2001.
.\" 4.3BSD.
This function is defined in IEC 559 (and the appendix with
the
.BR copysign ()
functions may treat a negative zero as positive.
-.SH "SEE ALSO"
+.SH SEE ALSO
.BR signbit (3)