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On Thu, 2002-06-27 at 05:29, Stephen L Moshier wrote: > > > Test "Real part of: cacosh (0.75 + 1.25 i) == > >1.13239363160530819522266333696834467 + > >1.11752014915610270578240049553777969 i": > >@@ -310,8 +308,8 @@ > > float: 3 > > idouble: 1 > > ifloat: 3 > >-ildouble: 37 > -ldouble: 37 > >+ildouble: 370 > >+ldouble: 370 > > This is due to arithmetic cancellation error inside the function routine. > It might be better to use the identity cacosh(x) = I * cacos(x) here. No, the excerpt from the patch is misleading. See the @@ line? The 370 ulps error is for cpow. -- ---------------. ,-. 1325 Chesapeake Terrace Ulrich Drepper \ ,-------------------' \ Sunnyvale, CA 94089 USA Red Hat `--' drepper at redhat.com `------------------------
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