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Date: | Tue, 15 Jun 2010 06:57:45 +0000 (GMT) |
From: | Marco Atzeri <marco_atzeri AT yahoo DOT it> |
Subject: | Re: bug in NINT() in gfortran |
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--- Sab 12/6/10, Dave Korn ha scritto: > On 12/06/2010 15:13, Marco Atzeri > wrote: > > --- Sab 12/6/10, Dave Korn=A0 ha scritto: >=20 > >> yesterday, and my investigations so far suggest > that it's actually a > >> problem in the underlying maths functions in > newlib.=A0=20 >=20 > > it seems a fault coming from newlib lround >=20 > =A0 Yes, that's what I did in my "investigations so > far".=A0 I've now tracked it > down to undefined behaviour (a right-shift by 32 bits) in > newlib; a patch will > follow shortly. >=20 > =A0 =A0 cheers, > =A0 =A0 =A0 DaveK >=20 >=20 I see.=20 Testing similar functions I found that we have=20=20 "undefined reference to `_llround'" "undefined reference to `_llroundf'" It seems that we are incorrectly looking in newlib/libm/machine/spu while the functionalities exist in newlib/libm/common/s_llround.c newlib/libm/common/sf_llround.c llrint and llrintf have not such problem. Marco =20 -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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