On Nov 28, 8:32 pm, "Kate Minola" <[EMAIL PROTECTED]> wrote:
> William,
Hello Kate,
>
> Using gcc-4.2.2, sage-2.8.14 builds and passes all tests on my
> x86-Linux (pentium4-fc6) box.
>
> ***
> On ia64-Linux, it fails to build with an Internal Compiler Error
> when compiling flint-0.9-r1075.p1/ZmodF_mul.c; specifically
> the compile line is
>
> gcc -std=c99 -I/home/kate/sage/sage-2.8.14-ia64-Linux/local/include/
> -I/home/kate/sage/sage-2.8.14-ia64-Linux/local/include
> -I/home/kate/sage/sage-2.8.14-ia64-Linux/local/include -funroll-loops
> -fexpensive-optimizations -fPIC -O3 -c ZmodF_mul.c -o ZmodF_mul.o
>
> I isolated and reported the problem to the gcc folks (bug # 34266),
> the problem goes
> away if either -funroll-loops is removed, or if optimization is
> reduced from level 3 to level 2.
> The bug has been fixed in gcc-4.3-20071123.
We should tell Bill about this to set optimization to -O2 on Itanium.
At least we should do so in the next flint.spkg
>
> Unfortunately trying to build sage-2.8.14 with gcc-4.3-20071123 fails
> in cremona-20071124.p2.
So far gcc 4.3 is unsupported. I did some work in that direction, but
didn't get very far, i.e. LinBox is still a problem and who knows what
is past that.
>
> ***
> On x86_64-Linux (again Fedora Core 6), the following test fails:
>
> sage -t devel/sage-main/sage/rings/real_rqdf.pyx
> **********************************************************************
> File "real_rqdf.pyx", line 12:
> sage: RQDF( 123.2) + RR (1.0)
> Expected:
> 124.200000000000
> Got:
> NaN
> **********************************************************************
> File "real_rqdf.pyx", line 14:
> sage: RQDF( 12.2) + RDF (0.56)
> Expected:
> 12.76
> Got:
> nan
> **********************************************************************
> File "real_rqdf.pyx", line 16:
> sage: RQDF( 12.2) + (9)
> Expected:
> 21.19999999999999928945726423989981412887573242187500000000000000
> Got:
> NaN
> *******************************************************
> File "real_rqdf.pyx", line 18:
> sage: RQDF( 12.2) + (9/3)
> Expected:
> 15.19999999999999928945726423989981412887573242187500000000000000
> Got:
> NaN
> **********************************************************************
> File "real_rqdf.pyx", line 24:
> sage: RQDF( 123.2) * RR (.543)
> Expected:
> 66.89760000000000624851281827432114309792736749325567465385058291
> Got:
> NaN
> **********************************************************************
> File "real_rqdf.pyx", line 32:
> sage: RQDF(a)
> Expected:
> 0.868588963806503655302257837833210164588794011607333132228907565
> Got:
> NaN
> **********************************************************************
> File "real_rqdf.pyx", line 461:
> sage: RQDF(RR(1091.34342))
> Expected:
> 1091.343419999999923675204627215862274169921875000000000000000000
> Got:
> NaN
> **********************************************************************
> File "real_rqdf.pyx", line 650:
> sage: RQDF(10.1)/RQDF(0)
> Expected:
> inf
> Got:
> NaN
> **********************************************************************
> File "real_rqdf.pyx", line 874:
> sage: RQDF(0.49).round()
> Expected:
> 0.000000000000000000000000000000000000000000000000000000000000000
> Got:
> NaN
> **********************************************************************
> File "real_rqdf.pyx", line 876:
> sage: RQDF(0.51).round()
> Expected:
> 1.000000000000000000000000000000000000000000000000000000000000000
> Got:
> NaN
> **********************************************************************
> File "real_rqdf.pyx", line 902:
> sage: RQDF(2.99).floor()
> Expected:
> 2
> Got:
> 0
> **********************************************************************
> File "real_rqdf.pyx", line 904:
> sage: RQDF(2.00).floor()
> Expected:
> 2
> Got:
> 0
> **********************************************************************
> File "real_rqdf.pyx", line 922:
> sage: RQDF(2.99).ceil()
> Expected:
> 3
> Got:
> 0**********************************************************************
> File "real_rqdf.pyx", line 924:
> sage: RQDF(2.00).ceil()
> Expected:
> 2
> Got:
> 0
> **********************************************************************
> File "real_rqdf.pyx", line 952:
> sage: RQDF(2.99).trunc()
> Expected:
> 2.000000000000000000000000000000000000000000000000000000000000000
> Got:
> 0.000000000000000000000000000000000000000000000000000000000000000
> **********************************************************************
> File "real_rqdf.pyx", line 954:
> sage: RQDF(-2.00).trunc()
> Expected:
> -2.000000000000000000000000000000000000000000000000000000000000000
> Got:
> 0.000000000000000000000000000000000000000000000000000000000000000
> **********************************************************************
> File "real_rqdf.pyx", line 971:
> sage: RQDF(2.50).frac()
> Expected:
> 0.500000000000000000000000000000000000000000000000000000000000000
> Got:
> NaN
> **********************************************************************
> File "real_rqdf.pyx", line 1007:
> sage: n._rpy_()
> Expected:
> 2.0
> Got:
> nan
> **********************************************************************
> File "real_rqdf.pyx", line 1299:
> sage: r = RQDF(125.0); r.cube_root()
> Expected:
> 5.000000000000000000000000000000000000000000000000000000000000000
> Got:
> NaN
> **********************************************************************
> File "real_rqdf.pyx", line 1313:
> sage: r = RQDF(125.0); r.nth_root(3)
> Expected: 5.000000000000000000000000000000000000000000000000000000000000000
> Got:
> NaN
> **********************************************************************
> File "real_rqdf.pyx", line 1315:
> sage: r.nth_root(5)
> Expected:
> 2.626527804403767236455131266496479582115662802810898530034436330
> Got:
> NaN
> **********************************************************************
Odd. What happens if you do "export SAGE_CHECK=yes" and then rebuild
mpfr.spkg? Does the test suite pass?
> Kate
Cheers,
Michael
> --
> Kate Minola
> University of Maryland, College Park
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