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Boost Users : |
Subject: Re: [Boost-users] [boost][multiprecision] compile error with gcc 4.8.4
From: Rob Conde (rob.conde_at_[hidden])
Date: 2016-09-16 14:50:20
The first case (int -> float) was fixed, but the second (float->int) wasn't.
Rob
________________________________
From: Boost-users <boost-users-bounces_at_[hidden]> on behalf of John Maddock <jz.maddock_at_[hidden]>
Sent: Friday, September 16, 2016 7:54:26 AM
To: boost-users_at_[hidden]
Subject: Re: [Boost-users] [boost][multiprecision] compile error with gcc 4.8.4
On 15/09/2016 17:20, Rob Conde wrote:
>
> I tried with 1.62 beta and ran into the following problems:
>
I think this fixes these:
https://github.com/boostorg/multiprecision/commit/b2108867c7415cc1ed28244843555289fdb8d356
Or at least it does for me, can you verify with your setup as well please?
Whether there is time for this to make 1.62 is another matter....
John.
>
> Building with std=c++98 for the following case:
>
>
> --------------------------------------------------------------------------------
>
> #include <boost/multiprecision/cpp_int.hpp>
> #include <boost/multiprecision/cpp_bin_float.hpp>
>
> typedef boost::multiprecision::int128_t int128_t;
> typedef boost::multiprecision::cpp_bin_float_quad float128_t;
>
> void func()
> {
> int128_t iVal;
> float128_t floatVal(iVal.convert_to<float128_t>());
> }
> --------------------------------------------------------------------------------
>
> In file included from
> ./boost/type_traits/detail/common_type_impl.hpp:12:0,
> from ./boost/type_traits/common_type.hpp:18,
> from ./boost/multiprecision/cpp_int.hpp:22,
> from mpTest.cpp:1:
> ./boost/type_traits/detail/common_arithmetic_type.hpp: In
> instantiation of ‘class
> boost::type_traits_detail::common_arithmetic_type<boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>, __int128
> unsigned>’:
> ./boost/type_traits/detail/common_type_impl.hpp:99:35: required from
> ‘struct
> boost::type_traits_detail::common_type_impl5<boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>, __int128
> unsigned>’
> ./boost/type_traits/detail/common_type_impl.hpp:90:35: required from
> ‘struct
> boost::type_traits_detail::common_type_impl4<boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>, __int128
> unsigned>’
> ./boost/type_traits/detail/common_type_impl.hpp:79:35: required from
> ‘struct
> boost::type_traits_detail::common_type_impl3<boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>, __int128
> unsigned>’
> ./boost/type_traits/detail/common_type_impl.hpp:52:35: required from
> ‘struct
> boost::type_traits_detail::common_type_class<boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>, __int128
> unsigned>’
> ./boost/type_traits/detail/common_type_impl.hpp:68:35: required from
> ‘struct
> boost::type_traits_detail::common_type_impl<boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>, __int128
> unsigned>’
> ./boost/type_traits/common_type.hpp:133:37: required from ‘struct
> boost::type_traits_detail::common_type_decay_helper<boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>, __int128
> unsigned,
> boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>, __int128
> unsigned>’
> ./boost/type_traits/common_type.hpp:139:37: required from ‘struct
> boost::common_type<boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>, __int128
> unsigned, void, void, void, void, void, void, void>’
> ./boost/multiprecision/cpp_int/misc.hpp:547:138: required from
> ‘typename
> boost::enable_if_c<(boost::multiprecision::backends::is_trivial_cpp_int<boost::multiprecision::backends::cpp_int_backend<MinBits1,
> MaxBits1, SignType1, Checked1, Allocator1> >::value &&
> boost::multiprecision::is_signed_number<boost::multiprecision::backends::cpp_int_backend<MinBits1,
> MaxBits1, SignType1, Checked1, Allocator1> >::value)>::type
> boost::multiprecision::backends::eval_convert_to(R*, const
> boost::multiprecision::backends::cpp_int_backend<MinBits1, MaxBits1,
> SignType1, Checked1, Allocator1>&) [with R =
> boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>; unsigned int
> MinBits1 = 128u; unsigned int MaxBits1 = 128u;
> boost::multiprecision::cpp_integer_type SignType1 =
> (boost::multiprecision::cpp_integer_type)1u;
> boost::multiprecision::cpp_int_check_type Checked1 =
> (boost::multiprecision::cpp_int_check_type)0u; Allocator1 = void;
> typename
> boost::enable_if_c<(boost::multiprecision::backends::is_trivial_cpp_int<boost::multiprecision::backends::cpp_int_backend<MinBits1,
> MaxBits1, SignType1, Checked1, Allocator1> >::value &&
> boost::multiprecision::is_signed_number<boost::multiprecision::backends::cpp_int_backend<MinBits1,
> MaxBits1, SignType1, Checked1, Allocator1> >::value)>::type = void]’
> ./boost/multiprecision/number.hpp:585:40: required from ‘void
> boost::multiprecision::number<Backend,
> ExpressionTemplates>::convert_to_imp(T*) const [with T =
> boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>; Backend =
> boost::multiprecision::backends::cpp_int_backend<128u, 128u,
> (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void>;
> boost::multiprecision::expression_template_option ExpressionTemplates
> = (boost::multiprecision::expression_template_option)0u]’
> ./boost/multiprecision/number.hpp:601:29: required from ‘T
> boost::multiprecision::number<Backend,
> ExpressionTemplates>::convert_to() const [with T =
> boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>; Backend =
> boost::multiprecision::backends::cpp_int_backend<128u, 128u,
> (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void>;
> boost::multiprecision::expression_template_option ExpressionTemplates
> = (boost::multiprecision::expression_template_option)0u]’
> mpTest.cpp:11:52: required from here
> ./boost/type_traits/detail/common_arithmetic_type.hpp:211:60: error:
> no match for ternary ‘operator?:’ (operand types are ‘bool’,
> ‘boost::multiprecision::number<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>,
> (boost::multiprecision::expression_template_option)0u>’, and ‘__int128
> unsigned’)
> typedef typename arithmetic_type< sizeof(select( cond()? T(): U()
> )) >::type type;
>
>
>
> Building without a std specified I get the following case:
>
>
> --------------------------------------------------------------------------------
>
> #include <boost/multiprecision/cpp_int.hpp>
> #include <boost/multiprecision/cpp_bin_float.hpp>
>
> typedef boost::multiprecision::int128_t int128_t;
> typedef boost::multiprecision::cpp_bin_float_quad float128_t;
>
> void func()
> {
> float128_t floatVal;
>
> int128_t roundedNanoseconds(floatVal.convert_to<int128_t>());
> }
> --------------------------------------------------------------------------------
>
> In file included from
> ./boost/multiprecision/detail/generic_interconvert.hpp:9:0,
> from ./boost/multiprecision/number.hpp:22,
> from ./boost/multiprecision/cpp_int.hpp:12,
> from mpTest.cpp:1:
> ./boost/multiprecision/detail/default_ops.hpp: In instantiation of
> ‘void
> boost::multiprecision::default_ops::eval_convert_to(boost::multiprecision::default_ops::terminal<boost::multiprecision::number<B1,
> et> >*, const B2&) [with B1 =
> boost::multiprecision::backends::cpp_int_backend<128u, 128u,
> (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void>; B2 =
> boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>; boost::multiprecision::expression_template_option et =
> (boost::multiprecision::expression_template_option)0u]’:
> ./boost/multiprecision/detail/default_ops.hpp:896:31: required from
> ‘void boost::multiprecision::default_ops::eval_convert_to(R*, const
> B&) [with R =
> boost::multiprecision::number<boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void> >; B =
> boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>]’
> ./boost/multiprecision/number.hpp:585:40: required from ‘void
> boost::multiprecision::number<Backend,
> ExpressionTemplates>::convert_to_imp(T*) const [with T =
> boost::multiprecision::number<boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void> >; Backend =
> boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>; boost::multiprecision::expression_template_option
> ExpressionTemplates =
> (boost::multiprecision::expression_template_option)0u]’
> ./boost/multiprecision/number.hpp:601:29: required from ‘T
> boost::multiprecision::number<Backend,
> ExpressionTemplates>::convert_to() const [with T =
> boost::multiprecision::number<boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void> >; Backend =
> boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>; boost::multiprecision::expression_template_option
> ExpressionTemplates =
> (boost::multiprecision::expression_template_option)0u]’
> mpTest.cpp:11:62: required from here
> ./boost/multiprecision/detail/default_ops.hpp:922:134: error: no
> matching function for call to
> ‘generic_interconvert(boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void>&, const
> boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383>&,
> boost::multiprecision::number_category<boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void> >,
> boost::multiprecision::number_category<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383> >)’
> boost::multiprecision::detail::generic_interconvert(result->value.backend(),
> backend, number_category<B1>(), number_category<B2>());
> ^
> ./boost/multiprecision/detail/default_ops.hpp:922:134: note:
> candidates are:
> In file included from ./boost/multiprecision/number.hpp:22:0,
> from ./boost/multiprecision/cpp_int.hpp:12,
> from mpTest.cpp:1:
> ./boost/multiprecision/detail/generic_interconvert.hpp:30:6: note:
> template<class To, class From> void
> boost::multiprecision::detail::generic_interconvert(To&, const From&,
> const mpl_::int_<1>&, const mpl_::int_<0>&)
> void generic_interconvert(To& to, const From& from, const
> mpl::int_<number_kind_floating_point>& /*to_type*/, const
> mpl::int_<number_kind_integer>& /*from_type*/)
> ^
> ./boost/multiprecision/detail/generic_interconvert.hpp:30:6: note:
> template argument deduction/substitution failed:
> In file included from
> ./boost/multiprecision/detail/generic_interconvert.hpp:9:0,
> from ./boost/multiprecision/number.hpp:22,
> from ./boost/multiprecision/cpp_int.hpp:12,
> from mpTest.cpp:1:
> ./boost/multiprecision/detail/default_ops.hpp:922:134: note: cannot
> convert
> ‘boost::multiprecision::number_category<boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void> >()’ (type
> ‘boost::multiprecision::number_category<boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void> >’) to type
> ‘const mpl_::int_<1>&’
> boost::multiprecision::detail::generic_interconvert(result->value.backend(),
> backend, number_category<B1>(), number_category<B2>());
> ^
> In file included from ./boost/multiprecision/number.hpp:22:0,
> from ./boost/multiprecision/cpp_int.hpp:12,
> from mpTest.cpp:1:
> ./boost/multiprecision/detail/generic_interconvert.hpp:78:6: note:
> template<class To, class From> void
> boost::multiprecision::detail::generic_interconvert(To&, const From&,
> const mpl_::int_<0>&, const mpl_::int_<0>&)
> void generic_interconvert(To& to, const From& from, const
> mpl::int_<number_kind_integer>& /*to_type*/, const
> mpl::int_<number_kind_integer>& /*from_type*/)
> ^
> ./boost/multiprecision/detail/generic_interconvert.hpp:78:6: note:
> template argument deduction/substitution failed:
> In file included from
> ./boost/multiprecision/detail/generic_interconvert.hpp:9:0,
> from ./boost/multiprecision/number.hpp:22,
> from ./boost/multiprecision/cpp_int.hpp:12,
> from mpTest.cpp:1:
> ./boost/multiprecision/detail/default_ops.hpp:922:134: note: cannot
> convert
> ‘boost::multiprecision::number_category<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383> >()’ (type
> ‘boost::multiprecision::number_category<boost::multiprecision::backends::cpp_bin_float<113u,
> (boost::multiprecision::backends::digit_base_type)2u, void, short int,
> -16382, 16383> >’) to type ‘const mpl_::int_<0>&’
> boost::multiprecision::detail::generic_interconvert(result->value.backend(),
> backend, number_category<B1>(), number_category<B2>());
> ^
> In file included from ./boost/multiprecision/number.hpp:22:0,
> from ./boost/multiprecision/cpp_int.hpp:12,
> from mpTest.cpp:1:
> ./boost/multiprecision/detail/generic_interconvert.hpp:126:6: note:
> template<class To, class From> void
> boost::multiprecision::detail::generic_interconvert(To&, const From&,
> const mpl_::int_<1>&, const mpl_::int_<1>&)
> void generic_interconvert(To& to, const From& from, const
> mpl::int_<number_kind_floating_point>& /*to_type*/, const
> mpl::int_<number_kind_floating_point>& /*from_type*/)
> ^
> ./boost/multiprecision/detail/generic_interconvert.hpp:126:6: note:
> template argument deduction/substitution failed:
> In file included from
> ./boost/multiprecision/detail/generic_interconvert.hpp:9:0,
> from ./boost/multiprecision/number.hpp:22,
> from ./boost/multiprecision/cpp_int.hpp:12,
> from mpTest.cpp:1:
> ./boost/multiprecision/detail/default_ops.hpp:922:134: note: cannot
> convert
> ‘boost::multiprecision::number_category<boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void> >()’ (type
> ‘boost::multiprecision::number_category<boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void> >’) to type
> ‘const mpl_::int_<1>&’
> boost::multiprecision::detail::generic_interconvert(result->value.backend(),
> backend, number_category<B1>(), number_category<B2>());
> ^
> In file included from ./boost/multiprecision/number.hpp:22:0,
> from ./boost/multiprecision/cpp_int.hpp:12,
> from mpTest.cpp:1:
> ./boost/multiprecision/detail/generic_interconvert.hpp:209:6: note:
> template<class To, class From> void
> boost::multiprecision::detail::generic_interconvert(To&, const From&,
> const mpl_::int_<2>&, const mpl_::int_<2>&)
> void generic_interconvert(To& to, const From& from, const
> mpl::int_<number_kind_rational>& /*to_type*/, const
> mpl::int_<number_kind_rational>& /*from_type*/)
> ^
> ./boost/multiprecision/detail/generic_interconvert.hpp:209:6: note:
> template argument deduction/substitution failed:
> In file included from
> ./boost/multiprecision/detail/generic_interconvert.hpp:9:0,
> from ./boost/multiprecision/number.hpp:22,
> from ./boost/multiprecision/cpp_int.hpp:12,
> from mpTest.cpp:1:
> ./boost/multiprecision/detail/default_ops.hpp:922:134: note: cannot
> convert
> ‘boost::multiprecision::number_category<boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void> >()’ (type
> ‘boost::multiprecision::number_category<boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void> >’) to type
> ‘const mpl_::int_<2>&’
> boost::multiprecision::detail::generic_interconvert(result->value.backend(),
> backend, number_category<B1>(), number_category<B2>());
> ^
> In file included from ./boost/multiprecision/number.hpp:22:0,
> from ./boost/multiprecision/cpp_int.hpp:12,
> from mpTest.cpp:1:
> ./boost/multiprecision/detail/generic_interconvert.hpp:220:6: note:
> template<class To, class From> void
> boost::multiprecision::detail::generic_interconvert(To&, const From&,
> const mpl_::int_<2>&, const mpl_::int_<0>&)
> void generic_interconvert(To& to, const From& from, const
> mpl::int_<number_kind_rational>& /*to_type*/, const
> mpl::int_<number_kind_integer>& /*from_type*/)
> ^
> ./boost/multiprecision/detail/generic_interconvert.hpp:220:6: note:
> template argument deduction/substitution failed:
> In file included from
> ./boost/multiprecision/detail/generic_interconvert.hpp:9:0,
> from ./boost/multiprecision/number.hpp:22,
> from ./boost/multiprecision/cpp_int.hpp:12,
> from mpTest.cpp:1:
> ./boost/multiprecision/detail/default_ops.hpp:922:134: note: cannot
> convert
> ‘boost::multiprecision::number_category<boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void> >()’ (type
> ‘boost::multiprecision::number_category<boost::multiprecision::backends::cpp_int_backend<128u,
> 128u, (boost::multiprecision::cpp_integer_type)1u,
> (boost::multiprecision::cpp_int_check_type)0u, void> >’) to type
> ‘const mpl_::int_<2>&’
> boost::multiprecision::detail::generic_interconvert(result->value.backend(),
> backend, number_category<B1>(), number_category<B2>());
> ^
>
> Rob
>
>
>
> ------------------------------------------------------------------------
> *From:* Boost-users <boost-users-bounces_at_[hidden]> on behalf of
> John Maddock <jz.maddock_at_[hidden]>
> *Sent:* Thursday, August 18, 2016 12:14:06 PM
> *To:* boost-users_at_[hidden]
> *Subject:* Re: [Boost-users] [boost][multiprecision] compile error
> with gcc 4.8.4
>
>
> On 18/08/2016 15:05, Rob Conde wrote:
> >
> > Any luck? It would be great if there was a fix in boost 1.62.
> >
>
> Fixed in
> https://github.com/boostorg/multiprecision/commit/339818c0180d0719852b3e648b8d76f2ba02e32d
>
> If the tests cycle OK, I'll try to get this into 1.62, but it's tight now.
>
> John.
>
> >
> > Thanks,
> >
> > Rob
> >
> > ------------------------------------------------------------------------
> > *From:* Boost-users <boost-users-bounces_at_[hidden]> on behalf of
> > John Maddock <jz.maddock_at_[hidden]>
> > *Sent:* Tuesday, August 16, 2016 7:11:07 AM
> > *To:* boost-users_at_[hidden]
> > *Subject:* Re: [Boost-users] [boost][multiprecision] compile error
> > with gcc 4.8.4
> >
> >
> > On 16/08/2016 01:59, Rob Conde wrote:
> > > #include <boost/multiprecision/cpp_int.hpp>
> > > #include <boost/multiprecision/cpp_bin_float.hpp>
> > >
> > > typedef boost::multiprecision::int128_t int128_t;
> > > typedef boost::multiprecision::cpp_bin_float_quad float128_t;
> > >
> > > int main()
> > > {
> > > int128_t intVal;
> > > float128_t floatVal(intVal.convert_to<float128_t>());
> > > return 0;
> > > }
> >
> > That should work, as should:
> >
> > float128_t f(intVal);
> >
> > However, while both of these do work with msvc, they fail with GCC, so
> > there is a bug (or 2) somewhere. I'll investigate later.
> >
> > John.
> > _______________________________________________
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> >
> >
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