[Bug math/6792] log1p() does not set errno n error

[mtk dot manpages at gmail dot com]

------- Additional Comments From mtk dot manpages at gmail dot com  2008-07-31 09:26 -------
Created an attachment (id=2854)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=2854&action=view)
test program

Sample runs demonstrating the problem

$ /tmp/mt_log1p -- -1
errno == 0
fetestexcept() says:  FE_DIVBYZERO
log1p(-1.00000000000000000e+00)=-inf
0 FE_DIVBYZERO -inf

$ /tmp/mt_log1p -- -2
errno == 0
fetestexcept() says:  FE_INVALID
log1p(-2.00000000000000000e+00)=nan
0 FE_INVALID nan


-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=6792

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