Re: [Boost-bugs] [Boost C++ Libraries] #8621: erf function gives wrong results with pgcpp - PGI 10.4

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #8621: erf function gives wrong results with pgcpp - PGI 10.4
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2013-06-03 18:59:59

#8621: erf function gives wrong results with pgcpp - PGI 10.4
---------------------------------------------------------------+------------
  Reporter:  Jacques Desfosses <jacques.desfosses@…>           |       Owner:  johnmaddock
      Type:  Bugs                                              |      Status:  new        
 Milestone:  To Be Determined                                  |   Component:  math       
   Version:  Boost 1.53.0                                      |    Severity:  Problem    
Resolution:                                                    |    Keywords:  erf pgi    
---------------------------------------------------------------+------------

Comment (by Jacques Desfosses <jacques.desfosses@…>):

 Here is the output when -DBOOST_MATH_INSTRUMENT is added to the compile
 line.

 ../boost/math/special_functions/erf.hpp:1049 result_type = long double
 ../boost/math/special_functions/erf.hpp:1050 value_type = long double
 ../boost/math/special_functions/erf.hpp:1051 precision_type =
 boost::math::policies::digits2<53>
 ../boost/math/special_functions/erf.hpp:1071 tag_type = mpl_::int_<53>
 ../boost/math/special_functions/erf.hpp:177 53-bit precision erf_imp
 called
 ../boost/math/special_functions/erf.hpp:1049 result_type = long double
 ../boost/math/special_functions/erf.hpp:1050 value_type = long double
 ../boost/math/special_functions/erf.hpp:1051 precision_type =
 boost::math::policies::digits2<53>
 ../boost/math/special_functions/erf.hpp:1071 tag_type = mpl_::int_<53>
 ../boost/math/special_functions/erf.hpp:177 53-bit precision erf_imp
 called
 ../boost/math/special_functions/erf.hpp:1049 result_type = long double
 ../boost/math/special_functions/erf.hpp:1050 value_type = long double
 ../boost/math/special_functions/erf.hpp:1051 precision_type =
 boost::math::policies::digits2<53>
 ../boost/math/special_functions/erf.hpp:1071 tag_type = mpl_::int_<53>
 ../boost/math/special_functions/erf.hpp:177 53-bit precision erf_imp
 called
 ../boost/math/special_functions/erf.hpp:1049 result_type = long double
 ../boost/math/special_functions/erf.hpp:1050 value_type = long double
 ../boost/math/special_functions/erf.hpp:1051 precision_type =
 boost::math::policies::digits2<53>
 ../boost/math/special_functions/erf.hpp:1071 tag_type = mpl_::int_<53>
 ../boost/math/special_functions/erf.hpp:177 53-bit precision erf_imp
 called
 ../boost/math/special_functions/erf.hpp:1049 result_type = long double
 ../boost/math/special_functions/erf.hpp:1050 value_type = long double
 ../boost/math/special_functions/erf.hpp:1051 precision_type =
 boost::math::policies::digits2<53>
 ../boost/math/special_functions/erf.hpp:1071 tag_type = mpl_::int_<53>
 ../boost/math/special_functions/erf.hpp:177 53-bit precision erf_imp
 called
 ../boost/math/special_functions/erf.hpp:1049 result_type = long double
 ../boost/math/special_functions/erf.hpp:1050 value_type = long double
 ../boost/math/special_functions/erf.hpp:1051 precision_type =
 boost::math::policies::digits2<53>
 ../boost/math/special_functions/erf.hpp:1071 tag_type = mpl_::int_<53>
 ../boost/math/special_functions/erf.hpp:177 53-bit precision erf_imp
 called
 ../boost/math/special_functions/erf.hpp:1049 result_type = double
 ../boost/math/special_functions/erf.hpp:1050 value_type = long double
 ../boost/math/special_functions/erf.hpp:1051 precision_type =
 boost::math::policies::digits2<53>
 ../boost/math/special_functions/erf.hpp:1071 tag_type = mpl_::int_<53>
 ../boost/math/special_functions/erf.hpp:177 53-bit precision erf_imp
 called
 BOOST : 8.506645778731253E-01
 MATH_H: 8.427007929497149E-01

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/8621#comment:4>
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