Re: boost float128 and Intel's _Quad with Tux Eigen

From: Alex.Durie (alex.durie_at_[hidden])
Date: 2020-02-04 17:51:35

Thanks John,

>It shouldn't be required but try adding -DBOOST_HAS_FLOAT128 to the
command line.

Unfortunately it now complains of the redefinition of the macro BOOST_HAS_FLOAT128 as well as the previous compile errors.

You mentioned that perhaps support was broken somewhere down the lines, would it work with an earlier version of boost do you think?

Many thanks,

Alex

________________________________
From: Boost-users <boost-users-bounces_at_[hidden]> on behalf of John Maddock via Boost-users <boost-users_at_[hidden]>
Sent: Tuesday, 4 February 2020, 16:47
To: Alex.Durie via Boost-users
Cc: John Maddock
Subject: Re: [Boost-users] boost float128 and Intel's _Quad with Tux Eigen

CAUTION: This mail comes from outside the University. Please consider this before opening attachments, clicking links, or acting on the content.

On 04/02/2020 15:37, Alex.Durie via Boost-users wrote:
> Thanks John,
>
> >The good news is that Intel on Linux does support GCC's __float128 type,
> >so my suggestion would be to:
> >* Remove the #define BOOST_MP_USE_QUAD
> >* Build with -std=gnu++14 rather than -std=c++14
> >* Remove the -Qoption,cpp,--extended_float_type option.
>
> Unfortunately that didn't work, I get the new compiler error;

It shouldn't be required but try adding -DBOOST_HAS_FLOAT128 to the
command line.

John.

>
> /home/alex/boost/boost_1_71_0/boost/multiprecision/detail/number_base.hpp(216):
> error: static assertion failed with "is_integral<T>::value ||
> is_enum<T>::value || std::numeric_limits<T>::is_specialized"
> BOOST_STATIC_ASSERT(is_integral<T>::value || is_enum<T>::value ||
> std::numeric_limits<T>::is_specialized);
>
> Are you able to help?
>
> Many thanks,
>
> Alex
>
> ------------------------------------------------------------------------
> *From:* Boost-users <boost-users-bounces_at_[hidden]> on behalf of
> boost-users-request_at_[hidden] <boost-users-request_at_[hidden]>
> *Sent:* 04 February 2020 10:56
> *To:* boost-users_at_[hidden] <boost-users_at_[hidden]>
> *Subject:* Boost-users Digest, Vol 5318, Issue 1
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> Today's Topics:
>
>    1. boost float128 and Intel's _Quad with Tux Eigen (Alex.Durie)
>    2. [boost build] - How to create symbols (.pdb) files on windows
>       using VS2017 Community Edition? (Eko palypse)
>    3. Re: [boost build] - How to create symbols (.pdb) files on
>       windows using VS2017 Community Edition? (Mateusz Loskot)
>    4. Re: [boost build] - How to create symbols (.pdb) files on
>       windows using VS2017 Community Edition? (Eko palypse)
>    5. Re: boost float128 and Intel's _Quad with Tux Eigen (John Maddock)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 3 Feb 2020 21:33:13 +0000
> From: Alex.Durie <alex.durie_at_[hidden]>
> To: "boost-users_at_[hidden]" <boost-users_at_[hidden]>
> Subject: [Boost-users] boost float128 and Intel's _Quad with Tux Eigen
> Message-ID:
> <CWLP265MB0244A9FE67071B7EE7C7E2BFA3000_at_[hidden]>
>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi,
> I have written a short program utilising boost::float128 together with
> tux Eigen which successfully compiles and runs using g++, however it
> fails when I use icc.
> The compiler error is
>
> /home/alex/boost/boost_1_71_0/boost/multiprecision/float128.hpp(727):
> error: no suitable constructor exists to convert from "const _Quad" to
> "boost::multiprecision::number<boost::multiprecision::backends::float128_backend,
> boost::multiprecision::et_off>"
>      static number_type (min)() BOOST_NOEXCEPT { return
> BOOST_MP_QUAD_MIN; }
>                                                         ^
> How can I resolve this?
>
> My example code is;
> #include <iostream>
> #include <cmath>
> #include <Eigen/Dense>
> #include <Eigen/Eigenvalues>
> #include <iomanip>
> #include <boost/cstdfloat.hpp>
> #include <boost/multiprecision/float128.hpp>
> #include <boost/math/special_functions.hpp>
> #include <boost/math/constants/constants.hpp>
> #include <quadmath.h>
> #define BOOST_MP_USE_QUAD
>
> using namespace Eigen;
> using namespace std;
>
> int main(){
>   typedef Matrix<complex<boost::multiprecision::float128>, Dynamic,
> Dynamic> MatrixXcmp;
>   MatrixXcmp C = MatrixXcmp::Random(8,8);
> cout<<setprecision(128)<<C<<endl<<endl;
>   ComplexEigenSolver<MatrixXcmp> ces;
>   ces.compute(C);
>   return 0;
> }
>
> It only fails compilation when I put in the line 'ces.compute(C);'.
>
> I compile with
> icpc quadtest.cpp -std=c++14 -Qoption,cpp,--extended_float_type -O2
> -DMKL_LP64 -lmkl_intel_lp64 -fp-model precise -lmkl_sequential
> -lmkl_core -lpthread -lm -ldl -lquadmath
>
> Many thanks in advance,
>
> Alex
> -------------- next part --------------
> HTML attachment scrubbed and removed
>
> ------------------------------
>
> Message: 2
> Date: Mon, 3 Feb 2020 23:23:31 +0100
> From: Eko palypse <ekopalypse_at_[hidden]>
> To: boost-users_at_[hidden]
> Subject: [Boost-users] [boost build] - How to create symbols (.pdb)
>         files on windows using VS2017 Community Edition?
> Message-ID:
> <CAD8XV+3=PM0yvD5W+RP+dGDubUB9gJcsvS+BTci893zc7y08JQ_at_[hidden]>
> Content-Type: text/plain; charset="utf-8"
>
> How can I build pdb files using b2 tool?
> If I run b2 -a --with-regex toolset=msvc-14.1 debug-symbols=on
> address-model=64 architecture=ia64 variant=debug
> it creates the needed lib but no pdb files are created.
>
> Thank you
> Eren
> -------------- next part --------------
> HTML attachment scrubbed and removed
>
> ------------------------------
>
> Message: 3
> Date: Tue, 4 Feb 2020 00:06:43 +0100
> From: Mateusz Loskot <mateusz_at_[hidden]>
> To: boost-users_at_[hidden]
> Subject: Re: [Boost-users] [boost build] - How to create symbols
>         (.pdb) files on windows using VS2017 Community Edition?
> Message-ID:
> <CABUeae_nDj4CaC0+_gSBjEts_ebfEfkf2rVb7jXhxGVFADr64g_at_[hidden]>
> Content-Type: text/plain; charset="UTF-8"
>
> On Mon, 3 Feb 2020 at 23:23, Eko palypse via Boost-users
> <boost-users_at_[hidden]> wrote:
> >
> > How can I build pdb files using b2 tool?
> > If I run b2 -a --with-regex toolset=msvc-14.1 debug-symbols=on
> address-model=64 architecture=ia64 variant=debug
> > it creates the needed lib but no pdb files are created.
>
> Additionally to
> debug-symbols=on
> add
> debug-store=database
>
> You should find PDBs in sub-folder(s) called debug-store-database.
>
> You may find some additional useful info here
> https://github.com/boostorg/build/issues/492
>
> Best regards,
> --
> Mateusz Loskot, http://mateusz.loskot.net
>
>
> ------------------------------
>
> Message: 4
> Date: Tue, 4 Feb 2020 00:28:37 +0100
> From: Eko palypse <ekopalypse_at_[hidden]>
> To: boost-users_at_[hidden]
> Subject: Re: [Boost-users] [boost build] - How to create symbols
>         (.pdb) files on windows using VS2017 Community Edition?
> Message-ID:
> <CAD8XV+0zHmkbsGWJzF2ToiAPWfOXfPVbZM1KbHn0-yHQtrdpEQ_at_[hidden]>
> Content-Type: text/plain; charset="utf-8"
>
> Thank you very much Mateusz,
> works like a charm.
>
> Thank you
> Eren
> -------------- next part --------------
> HTML attachment scrubbed and removed
>
> ------------------------------
>
> Message: 5
> Date: Tue, 4 Feb 2020 10:56:54 +0000
> From: John Maddock <jz.maddock_at_[hidden]>
> To: "Alex.Durie via Boost-users" <boost-users_at_[hidden]>
> Subject: Re: [Boost-users] boost float128 and Intel's _Quad with Tux
>         Eigen
> Message-ID: <6894ea21-796d-30b9-9375-fee540fa6ef5_at_[hidden]>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
>
> On 03/02/2020 21:33, Alex.Durie via Boost-users wrote:
> > Hi,
> > I have written a short program utilising boost::float128 together with
> > tux Eigen which successfully compiles and runs using g++, however it
> > fails when I use icc.
> > The compiler error is
> >
> > /home/alex/boost/boost_1_71_0/boost/multiprecision/float128.hpp(727):
> > error: no suitable constructor exists to convert from "const _Quad" to
> >
> "boost::multiprecision::number<boost::multiprecision::backends::float128_backend,
> > boost::multiprecision::et_off>"
> > ? ? ?static number_type (min)() BOOST_NOEXCEPT { return
> > BOOST_MP_QUAD_MIN; }
> > ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ^
> > How can I resolve this?
>
> I fear due to a lack of consistent testing support for the Intel
> compiler, we may well have dropped the ball and broken support for
> Intel's _Quad type.
>
>
> The good news is that Intel on Linux does support GCC's __float128 type,
> so my suggestion would be to:
>
>
> * Remove the #define BOOST_MP_USE_QUAD
>
> * Build with -std=gnu++14 rather than -std=c++14
>
> * Remove the -Qoption,cpp,--extended_float_type option.
>
>
> HTH, John.
>
>
> >
> > My example code is;
> > #include <iostream>
> > #include <cmath>
> > #include <Eigen/Dense>
> > #include <Eigen/Eigenvalues>
> > #include <iomanip>
> > #include <boost/cstdfloat.hpp>
> > #include <boost/multiprecision/float128.hpp>
> > #include <boost/math/special_functions.hpp>
> > #include <boost/math/constants/constants.hpp>
> > #include <quadmath.h>
> > #define BOOST_MP_USE_QUAD
> >
> > using namespace Eigen;
> > using namespace std;
> >
> > int main(){
> > ? typedef Matrix<complex<boost::multiprecision::float128>, Dynamic,
> > Dynamic> MatrixXcmp;
> > ? MatrixXcmp C = MatrixXcmp::Random(8,8);
> > cout<<setprecision(128)<<C<<endl<<endl;
> > ? ComplexEigenSolver<MatrixXcmp> ces;
> > ? ces.compute(C);
> > ? return 0;
> > }
> >
> > It only fails compilation when I put in the line 'ces.compute(C);'.
> >
> > I compile with
> > icpc quadtest.cpp -std=c++14 -Qoption,cpp,--extended_float_type -O2
> > -DMKL_LP64 -lmkl_intel_lp64 -fp-model precise -lmkl_sequential
> > -lmkl_core -lpthread -lm -ldl -lquadmath
> >
> > Many thanks in advance,
> >
> > Alex
> >
> > _______________________________________________
> > Boost-users mailing list
> > Boost-users_at_[hidden]
> > https://lists.boost.org/mailman/listinfo.cgi/boost-users
>
>
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