#10042: Doctest failure in sage/rings/polynomial/polynomial_element.pyx
------------------------------+---------------------------------------------
Reporter: mpatel | Owner: mvngu
Type: defect | Status: positive_review
Priority: blocker | Milestone: sage-4.6
Component: doctest | Keywords:
Author: Dima Pasechnik | Upstream: N/A
Reviewer: Leif Leonhardy | Merged:
Work_issues: |
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Comment(by dimpase):
> I thus suggest to recompile Lapack with {{{-ffloat-store}}} and try
again.
I tried this on MacOSX 10.5 PPC (G4) with gfortran 4.2.1, and saw no
difference.
Basically, there seems to be no appropriate fortran compiler options
available for this platform (Apple did not work on a Fortran compiler to
use the better FP (altivec) on G4 processors; IBM did have a Fortran
compiler, xlf (?) for that chip of them, but it is no longer sold).
The following must be telling the story:
{{{
(sage subshell) cantor:dgeev dima$ sage_fortran -faltivec -llapack -lblas
$SAGE_LOCAL/lib/libgfortran.a dgt.f dgeev.f
f951: warning: command line option "-faltivec" is valid for
C/C++/ObjC/ObjC++ but not for Fortran
f951: warning: command line option "-faltivec" is valid for
C/C++/ObjC/ObjC++ but not for Fortran
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10042#comment:85>
Sage <http://www.sagemath.org>
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