[GiNaC-devel] Code for distinct degree factorization fails to compile.

Alexei Sheplyakov varg at theor.jinr.ru
Wed Nov 5 18:30:30 CET 2008


Hello,

On Wed, Nov 05, 2008 at 12:52:28PM +0100, Jens Vollinga wrote:

> commit e989719ca767691eb75b34785baaaed716ea2624
> Author: Jens Vollinga <jensv at balin.nikhef.nl>
> Date:   Mon Nov 3 15:50:31 2008 +0100
> 
>     Added code for distinct degree factorization.

Thanks to stupid^W standard floating-integral conversions it fails to compile:

make[2]: Entering directory `/home/pc7135/varg/tmp/build/ginac/ginac'
/bin/sh ../libtool --tag=CXX   --mode=compile ccache g++-4.1 -DHAVE_CONFIG_H -I. -I../config -I../../../../work/sw/ginac-official/ginac   -I/usr/local/include    -Wall -O2 -g -pipe -funroll-loops -ffast-math -finline-limit=1200 -m64 -march=k8 -mfpmath=sse -msse2 -MT factor.lo -MD -MP -MF .deps/factor.Tpo -c -o factor.lo ../../../../work/sw/ginac-official/ginac/factor.cpp
libtool: compile:  ccache g++-4.1 -DHAVE_CONFIG_H -I. -I../config -I../../../../work/sw/ginac-official/ginac -I/usr/local/include -Wall -O2 -g -pipe -funroll-loops -ffast-math -finline-limit=1200 -m64 -march=k8 -mfpmath=sse -msse2 -MT factor.lo -MD -MP -MF .deps/factor.Tpo -c ../../../../work/sw/ginac-official/ginac/factor.cpp  -fPIC -DPIC -o .libs/factor.o
../../../../work/sw/ginac-official/ginac/factor.cpp: In function ‘void GiNaC::<unnamed>::distinct_degree_factor_BSGS(const GiNaC::<unnamed>::umodpoly&, GiNaC::<unnamed>::upvec&)’:
../../../../work/sw/ginac-official/ginac/factor.cpp:901: warning: converting to ‘int’ from ‘double’
../../../../work/sw/ginac-official/ginac/factor.cpp:903: error: call of overloaded ‘pow(int&, int&)’ is ambiguous
/usr/include/bits/mathcalls.h:154: note: candidates are: double pow(double, double)
/usr/lib/gcc/x86_64-linux-gnu/4.1.2/../../../../include/c++/4.1.2/cmath:345: note:                 float std::pow(float, float)
/usr/lib/gcc/x86_64-linux-gnu/4.1.2/../../../../include/c++/4.1.2/cmath:349: note:                 long double std::pow(long double, long double)
/usr/lib/gcc/x86_64-linux-gnu/4.1.2/../../../../include/c++/4.1.2/cmath:353: note:                 double std::pow(double, int)
/usr/lib/gcc/x86_64-linux-gnu/4.1.2/../../../../include/c++/4.1.2/cmath:357: note:                 float std::pow(float, int)
/usr/lib/gcc/x86_64-linux-gnu/4.1.2/../../../../include/c++/4.1.2/cmath:361: note:                 long double std::pow(long double, int)

Best regards,
	Alexei

-- 
All science is either physics or stamp collecting.

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