Re: regression in tgamma?
Paul Zimmermann <[email protected]>
| Newsgroups | gmane.comp.lib.newlib |
|---|---|
| Message-ID | <[email protected]> |
Hi Jeff, > From: Jeff Johnston <[email protected]> > Date: Wed, 16 Dec 2020 15:31:47 -0500 > > Hi Paul, > > I believe I found the problem. > > The __ieee754_tgamma functions are not declared in fdlibm.h so the calls in > tgamma and tgammaf are using > default parms and getting things wrong. My test calling __ieee754_tgamma > directly only worked after I added > a declaration to __ieee754_tgamma locally. > > I have pushed a change to master. Please try it out. > > -- Jeff J. with revision 865cd30 I now get: zimmerma@tomate:/tmp/newlib-cygwin$ ./a.out x=-0x0p+0 y=inf x=-0x1.53f198fe3b278p+7 y=0x1.fd6d312572d9cp-1015 The double value is ok, however the float result should be -inf. This should have been fixed by Keith Packard in commit 4641693. Paul