From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1443 invoked by alias); 22 Mar 2012 23:53:19 -0000 Received: (qmail 1426 invoked by uid 22791); 22 Mar 2012 23:53:18 -0000 X-SWARE-Spam-Status: No, hits=-1.9 required=5.0 tests=AWL,BAYES_00,TW_FN,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from hagrid.ecoscentric.com (HELO mail.ecoscentric.com) (212.13.207.197) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 22 Mar 2012 23:53:05 +0000 Received: by mail.ecoscentric.com (Postfix, from userid 48) id C0DA62F78009; Thu, 22 Mar 2012 23:53:04 +0000 (GMT) From: bugzilla-daemon@bugs.ecos.sourceware.org To: unassigned@bugs.ecos.sourceware.org Subject: [Bug 1001539] Single precision floating point math library X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: eCos X-Bugzilla-Component: Patches and contributions X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: ilijak@siva.com.mk X-Bugzilla-Status: NEW X-Bugzilla-Priority: low X-Bugzilla-Assigned-To: unassigned@bugs.ecos.sourceware.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: In-Reply-To: References: X-Bugzilla-URL: http://bugs.ecos.sourceware.org/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Date: Thu, 22 Mar 2012 23:53:00 -0000 Message-Id: <20120322235256.0DE772F7800A@mail.ecoscentric.com> Mailing-List: contact ecos-bugs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: ecos-bugs-owner@sourceware.org X-SW-Source: 2012/txt/msg00690.txt.bz2 Please do not reply to this email. Use the web interface provided at: http://bugs.ecos.sourceware.org/show_bug.cgi?id=1001539 --- Comment #21 from Ilija Kocho 2012-03-22 23:52:49 GMT --- (In reply to comment #20) > (In reply to comment #19) > > > Tests expect NaN for out-of-domain arguments, but functions return > > > something else. For instance asinf(10) returns 0. Here is a little > > > example: > > > > IMO, it can depend on libm compatibility, look at libm compat. > > wrappers (w_*.c), e.g. at w_asin{,f}.c. Though, I think in our case > > it should be a result of call __ieee754_asin{,f}(). And if libm > > compat mode is not IEEE? I'm looking at misc/standard.c > > (__kernel_standard)... > > Well, I understand what is wrong. Let's take `wf_asin.c', "i wonder" > hack: > > --- a/packages/language/c/libm/current/src/float/ieee754-api/wf_asin.c > +++ b/packages/language/c/libm/current/src/float/ieee754-api/wf_asin.c > @@ -88,8 +88,10 @@ > #ifdef CYGSEM_LIBM_COMPAT_IEEE_ONLY > return __ieee754_asinf(x); > #else > - double z; > + float z; > z = __ieee754_asinf(x); > + printf("__ieee754_asinf(%f)=%f\n", x, z); > + return z; > if(cyg_libm_get_compat_mode() == CYGNUM_LIBM_COMPAT_IEEE || isnanf(x)) > [snip] > FYI, import > > cdl_option CYGSEM_LIBM_COMPAT_IEEE_ONLY { > user_value 1 > }; > > breaks build of single precision tests. Some your headers have EDOM > used, but this value is not defined for such config conditions. Perhaps, > you need weak definition for that in `vector_support_float.h' header. > > // Not tested > #ifdef CYGSEM_LIBM_COMPAT_IEEE_ONLY > # ifndef EDOM > # define EDOM 33 > # endif > #endif > > Sergei Thank you for bringing this up Sergei. Now I am considering exclusion of EDOM cases from test for modes other than CYGSEM_LIBM_COMPAT_IEEE_ONLY. (tests/asin.h doesn't have them at all). Ilija -- Configure bugmail: http://bugs.ecos.sourceware.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug.