[Boost-bugs] [Boost C++ Libraries] #13531: Facing build failure on PowerPC due to boost/spirit/home/x3/support/numeric_utils/sign.hpp

Subject: [Boost-bugs] [Boost C++ Libraries] #13531: Facing build failure on PowerPC due to boost/spirit/home/x3/support/numeric_utils/sign.hpp
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2018-04-20 07:09:44

#13531: Facing build failure on PowerPC due to
boost/spirit/home/x3/support/numeric_utils/sign.hpp
-------------------------------------+----------------------------
 Reporter:  Rangasamy <rangasamy@…>  |      Owner:  Joel de Guzman
     Type:  Bugs                     |     Status:  new
Milestone:  To Be Determined         |  Component:  spirit
  Version:  Boost 1.63.0             |   Severity:  Problem
 Keywords:  numeric_utils/sign.hpp   |
-------------------------------------+----------------------------
 Below is the error message from
 boost/spirit/home/x3/support/numeric_utils/sign.hpp

 This can be resolved by making the below change in sign.hpp,
 #if defined(BOOST_MATH_USE_STD_FPCLASSIFY) &&
 !defined(BOOST_MATH_DISABLE_STD_FPCLASSIFY)
         return -x;
 #else
     return (boost::math::changesign)(x);
 #endif

 Kindly help in making this change for future releases.

 Error Message below,

 ../../../../../include/boost/spirit/home/x3/support/numeric_utils/sign.hpp:
 In instantiation of 'T snps_boost_1_63_0::spirit::x3::changesign(T) [with
 T = long double]':
 ../../../../../include/boost/spirit/home/x3/support/numeric_utils/extract_real.hpp:93:38:
 required from here
 ../../../../../include/boost/spirit/home/x3/support/numeric_utils/sign.hpp:36:32:
 error: no type named 'bits' in 'traits_type {aka struct
 snps_boost_1_63_0::math::detail::fp_traits_non_native<long double,
 snps_boost_1_63_0::math::detail::extended_double_precision>}'
      typename traits_type::bits a;
                                 ^
 ../../../../../include/boost/spirit/home/x3/support/numeric_utils/sign.hpp:37:26:
 error: 'get_bits' is not a member of 'traits_type {aka
 snps_boost_1_63_0::math::detail::fp_traits_non_native<long double,
 snps_boost_1_63_0::math::detail::extended_double_precision>}'
      traits_type::get_bits(x, a);
      ~~~~~~~~~~~~~~~~~~~~~^~~~~~
 ../../../../../include/boost/spirit/home/x3/support/numeric_utils/sign.hpp:36:32:
 error: no type named 'bits' in 'traits_type {aka struct
 snps_boost_1_63_0::math::detail::fp_traits_non_native<long double,
 snps_boost_1_63_0::math::detail::extended_double_precision>}'
      typename traits_type::bits a;
                                 ^
 ../../../../../include/boost/spirit/home/x3/support/numeric_utils/sign.hpp:38:7:
 error: 'sign' is not a member of 'traits_type {aka
 snps_boost_1_63_0::math::detail::fp_traits_non_native<long double,
 snps_boost_1_63_0::math::detail::extended_double_precision>}'
      a ^= traits_type::sign;
      ~~^~~~~~~~~~~~~~
 ../../../../../include/boost/spirit/home/x3/support/numeric_utils/sign.hpp:39:26:
 error: 'set_bits' is not a member of 'traits_type {aka
 snps_boost_1_63_0::math::detail::fp_traits_non_native<long double,
 snps_boost_1_63_0::math::detail::extended_double_precision>}'
      traits_type::set_bits(x, a);
      ~~~~~~~~~~~~~~~~~~~~~^~~~~~
 *** exit status 1 ***

-- 
Ticket URL: <https://svn.boost.org/trac10/ticket/13531>
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