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Fix description of bogus underflow exception for -large, 

Describing bogus invalid exception for certain +large.
This commit is contained in:
Michael Kerrisk 2008-08-04 05:00:32 +00:00
parent a19492526e
commit 19dffabe26
1 changed files with 14 additions and 5 deletions
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19
man3/expm1.3
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@ -129,13 +129,22 @@ C99, POSIX.1-2001.
.SH BUGS
For some large negative
.I x
values (where the function result approaches \-1),
.BR expm1 ()
raises a bogus underflow exception.
.\" FIXME .
.\" Bug raised: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6778
For some large positive
.I x
values,
.BR expm1 ()
raises
.\" FIXME . expm1() gives a bogus underflow error for -large
.\" (where function result approaches -1).
.\" Bug raised: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6778
.\"
raises a bogus invalid exception in addition to the expected
overflow exception, and returns a NaN instead of positive infinity.
.\" FIXME .
.\" Bug raised: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6814
.\" e.g., expm1(1e5) through expm1(1.00199970127e5),
.\" but not expm1(1.00199970128e5) and beyond.
.SH "SEE ALSO"
.BR exp (3),
.BR log (3),