Hi Boost,
Does Boost.Multiprecision provide modf for floating point types? I need it
for generating with Karma, unless the fact that mpfr_float with variable
precision not having numeric_traits might get in the way.
Thanks for any help. Error message follows.
In file included from test/generating/mpfr_float.cpp:27:
In file included from ./include/bertini2/io/generators.hpp:38:
In file included from /usr/local/include/boost/spirit/include/karma.hpp:16:
In file included from /usr/local/include/boost/spirit/home/karma.hpp:15:
In file included from
/usr/local/include/boost/spirit/home/karma/numeric.hpp:16:
In file included from
/usr/local/include/boost/spirit/home/karma/numeric/real.hpp:32:
In file included from
/usr/local/include/boost/spirit/home/karma/numeric/real_policies.hpp:21:
/usr/local/include/boost/spirit/home/karma/numeric/detail/real_utils.hpp:115:33:
error: no matching function for call to 'modf'
U fractional_part = modf(n, &integer_part);
^~~~
/usr/local/include/boost/spirit/home/karma/numeric/real_policies.hpp:94:30:
note: in instantiation of function template specialization
'boost::spirit::karma::real_inserter,
boost::multiprecision::expression_template_option::et_on>,
bertini::generators::BertiniNumPolicy,
boost::multiprecision::expression_template_option::et_on> >,
boost::spirit::unused_type,
boost::spirit::unused_type>::call_n
,
mpl_::int_<0>, boost::spirit::unused_type>,
boost::multiprecision::number,
boost::multiprecision::expression_template_option::et_on> >'
requested here
return Inserter::call_n(sink, n, p);
^
/usr/local/include/boost/spirit/home/karma/numeric/detail/real_utils.hpp:56:31:
note: in instantiation of function template specialization
'boost::spirit::karma::real_policies,
boost::multiprecision::expression_template_option::et_on>
::call,
boost::multiprecision::expression_template_option::et_on>,
bertini::generators::BertiniNumPolicy,
boost::multiprecision::expression_template_option::et_on> >,
boost::spirit::unused_type, boost::spirit::unused_type>,
boost::spirit::karma::detail::output_iterator
, mpl_::int_<0>,
boost::spirit::unused_type>,
bertini::generators::BertiniNumPolicy,
boost::multiprecision::expression_template_option::et_on> > >'
requested here
return p.template call(sink, n, p);
^
/usr/local/include/boost/spirit/home/karma/numeric/real.hpp:192:35: note:
in instantiation of function template specialization
'boost::spirit::karma::real_inserter,
boost::multiprecision::expression_template_option::et_on>,
bertini::generators::BertiniNumPolicy,
boost::multiprecision::expression_template_option::et_on> >,
boost::spirit::unused_type,
boost::spirit::unused_type>::call
,
mpl_::int_<0>, boost::spirit::unused_type>,
boost::multiprecision::number,
boost::multiprecision::expression_template_option::et_on> >'
requested here
return inserter_type::call(sink, traits::extract_from<T>(attr,
context), p_) &&
^
/usr/local/include/boost/spirit/home/karma/generate.hpp:69:45: note: in
instantiation of function template specialization
'boost::spirit::karma::any_real_generator,
boost::multiprecision::expression_template_option::et_on>,
bertini::generators::BertiniNumPolicy,
boost::multiprecision::expression_template_option::et_on> >,
boost::spirit::unused_type,
boost::spirit::unused_type>::generate
,
mpl_::int_<0>, boost::spirit::unused_type>,
boost::spirit::context
boost::multiprecision::number,
boost::multiprecision::expression_template_option::et_on> &,
boost::fusion::nil_>, boost::spirit::locals >,
boost::spirit::unused_type,
boost::multiprecision::number,
boost::multiprecision::expression_template_option::et_on> >'
requested here
return compilekarma::domain(expr).generate(sink, context, unused,
attr);
^
/usr/local/include/boost/spirit/home/karma/generate.hpp:91:23: note: in
instantiation of function template specialization
'boost::spirit::karma::generate
, mpl_::int_<0>,
boost::spirit::karma::real_generator,
boost::multiprecision::expression_template_option::et_on>,
bertini::generators::BertiniNumPolicy,
boost::multiprecision::expression_template_option::et_on> > >,
boost::multiprecision::number,
boost::multiprecision::expression_template_option::et_on> >' requested here
return karma::generate(sink, expr, attr);
^
./include/bertini2/io/generators.hpp:149:21: note: in instantiation of
function template specialization
'boost::spirit::karma::generate
,
boost::spirit::karma::real_generator,
boost::multiprecision::expression_template_option::et_on>,
bertini::generators::BertiniNumPolicy,
boost::multiprecision::expression_template_option::et_on> > >,
boost::multiprecision::number,
boost::multiprecision::expression_template_option::et_on> >' requested here
return generate(sink,
^
test/generating/mpfr_float.cpp:53:47: note: in instantiation of function
template specialization
'bertini::generators::Classic::generate
' requested here
BOOST_CHECK(bertini::generators::Classic::generate(sink, z));
^
/usr/include/math.h:407:15: note: candidate function not viable: no known
conversion from
'boost::multiprecision::number,
boost::multiprecision::expression_template_option::et_on>' to
'double' for 1st argument
extern double modf(double, double *);
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:940:46:
note: candidate function not
viable: no known conversion from
'boost::multiprecision::number,
boost::multiprecision::expression_template_option::et_on>' to 'float'
for 1st argument
inline _LIBCPP_INLINE_VISIBILITY float modf(float __lcpp_x, float*
__lcpp_y) _NOEXCEPT {return modff(__lcpp_x, __lcpp_y);}
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:941:46:
note: candidate function not
viable: no known conversion from
'boost::multiprecision::number,
boost::multiprecision::expression_template_option::et_on>' to 'long
double' for 1st argument
inline _LIBCPP_INLINE_VISIBILITY long double modf(long double __lcpp_x,
long double* __lcpp_y) _NOEXCEPT {return modfl(__lcpp_x, __lcpp_y);}
Daniel Brake
