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nextafter.3: Since glibc 2.23, these functions do set errno 

Modify DESCRIPTION appropriately and add BUGS section.

See https://www.sourceware.org/bugzilla/show_bug.cgi?id=6799.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2020-05-23 12:09:45 +02:00
parent 4cc51f5e5a
commit 839c0fe92a
1 changed files with 11 additions and 11 deletions
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22
man3/nextafter.3
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@ -149,26 +149,21 @@ The following errors can occur:
.TP
Range error: result overflow
.\" e.g., nextafter(DBL_MAX, HUGE_VAL);
.\" .I errno
.\" is set to
.\" .BR ERANGE .
.I errno
is set to
.BR ERANGE .
An overflow floating-point exception
.RB ( FE_OVERFLOW )
is raised.
.TP
Range error: result is subnormal or underflows
.\" e.g., nextafter(DBL_MIN, 0.0);
.\" .I errno
.\" is set to
.\" .BR ERANGE .
.I errno
is set to
.BR ERANGE .
An underflow floating-point exception
.RB ( FE_UNDERFLOW )
is raised.
.PP
These functions do not set
.IR errno .
.\" FIXME . Is it intentional that these functions do not set errno?
.\" Bug raised: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6799
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
@ -197,5 +192,10 @@ In glibc version 2.5 and earlier, these functions do not raise an underflow
floating-point
.RB ( FE_UNDERFLOW )
exception when an underflow occurs.
.SH BUGS
Before glibc version 2.23
.\" https://www.sourceware.org/bugzilla/show_bug.cgi?id=6799
these functions did not set
.IR errno .
.SH SEE ALSO
.BR nearbyint (3)