[Bug math/6809] tgamma() sets errno inconsistently for domain error

[mtk dot manpages at gmail dot com]

------- Additional Comments From mtk dot manpages at gmail dot com  2008-07-31 13:35 -------
Created an attachment (id=2881)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=2881&action=view)
test program

Test runs demonstrating the problem:

$ /tmp/mt_tgamma -- -1
errno == EDOM
fetestexcept() says:  FE_INVALID
tgamma(-1.00000000000000000e+00)=nan
EDOM FE_INVALID nan

$ /tmp/mt_tgamma -- -inf
errno == 0
fetestexcept() says:  FE_INVALID
tgamma(-inf)=nan
0 FE_INVALID nan


-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=6809

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