diff options
Diffstat (limited to 'src/third_party/boost-1.68.0/boost/test/tools/fpc_op.hpp')
| -rw-r--r-- | src/third_party/boost-1.68.0/boost/test/tools/fpc_op.hpp | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/src/third_party/boost-1.68.0/boost/test/tools/fpc_op.hpp b/src/third_party/boost-1.68.0/boost/test/tools/fpc_op.hpp deleted file mode 100644 index b879d218f29..00000000000 --- a/src/third_party/boost-1.68.0/boost/test/tools/fpc_op.hpp +++ /dev/null @@ -1,210 +0,0 @@ -// (C) Copyright Gennadiy Rozental 2001. -// Distributed under the Boost Software License, Version 1.0. -// (See accompanying file LICENSE_1_0.txt or copy at -// http://www.boost.org/LICENSE_1_0.txt) - -// See http://www.boost.org/libs/test for the library home page. -// -//!@file -//!@brief Floating point comparison with enhanced reporting -// *************************************************************************** - -#ifndef BOOST_TEST_TOOLS_FPC_OP_HPP_050915GER -#define BOOST_TEST_TOOLS_FPC_OP_HPP_050915GER - -// Boost.Test -#include <boost/test/tools/assertion.hpp> - -#include <boost/test/tools/floating_point_comparison.hpp> -#include <boost/test/tools/fpc_tolerance.hpp> - -// Boost -#include <boost/type_traits/common_type.hpp> -#include <boost/utility/enable_if.hpp> - -#include <boost/test/detail/suppress_warnings.hpp> - -//____________________________________________________________________________// - -namespace boost { -namespace test_tools { -namespace assertion { -namespace op { - -// ************************************************************************** // -// ************** fpctraits ************** // -// ************************************************************************** // -// set of floating point comparison traits per comparison OP - -template<typename OP> -struct fpctraits { - // indicate if we should perform the operation with a "logical OR" - // with the "equality under tolerance". - static const bool equality_logical_disjunction = true; -}; - -template <typename Lhs, typename Rhs> -struct fpctraits<op::LT<Lhs,Rhs> > { - static const bool equality_logical_disjunction = false; -}; - -template <typename Lhs, typename Rhs> -struct fpctraits<op::GT<Lhs,Rhs> > { - static const bool equality_logical_disjunction = false; -}; - -//____________________________________________________________________________// - -// ************************************************************************** // -// ************** set of overloads to select correct fpc algo ************** // -// ************************************************************************** // -// we really only care about EQ vs NE. All other comparisons use direct first -// and then need EQ. For example a <= b (tolerance t) IFF a <= b OR a == b (tolerance t) - -template <typename FPT, typename Lhs, typename Rhs, typename OP> -inline assertion_result -compare_fpv( Lhs const& lhs, Rhs const& rhs, OP* cmp_operator) -{ - bool result = cmp_operator->eval_direct(lhs, rhs); - if(fpctraits<OP>::equality_logical_disjunction) { - return result || compare_fpv<FPT>(lhs, rhs, (op::EQ<Lhs, Rhs>*)0); - } - return result && compare_fpv<FPT>(lhs, rhs, (op::NE<Lhs, Rhs>*)0); -} - -//____________________________________________________________________________// - -template <typename FPT, typename Lhs, typename Rhs> -inline assertion_result -compare_fpv_near_zero( FPT const& fpv, op::EQ<Lhs,Rhs>* ) -{ - fpc::small_with_tolerance<FPT> P( fpc_tolerance<FPT>() ); - - assertion_result ar( P( fpv ) ); - if( !ar ) - ar.message() << "Absolute value exceeds tolerance [|" << fpv << "| > "<< fpc_tolerance<FPT>() << ']'; - - return ar; -} - -//____________________________________________________________________________// - -template <typename FPT, typename Lhs, typename Rhs> -inline assertion_result -compare_fpv_near_zero( FPT const& fpv, op::NE<Lhs,Rhs>* ) -{ - fpc::small_with_tolerance<FPT> P( fpc_tolerance<FPT>() ); - - assertion_result ar( !P( fpv ) ); - if( !ar ) - ar.message() << "Absolute value is within tolerance [|" << fpv << "| < "<< fpc_tolerance<FPT>() << ']'; - return ar; -} - -//____________________________________________________________________________// - -template <typename FPT, typename Lhs, typename Rhs> -inline assertion_result -compare_fpv( Lhs const& lhs, Rhs const& rhs, op::EQ<Lhs,Rhs>* ) -{ - if( lhs == 0 ) { - return compare_fpv_near_zero( rhs, (op::EQ<Lhs,Rhs>*)0 ); - } - else if( rhs == 0) { - return compare_fpv_near_zero( lhs, (op::EQ<Lhs,Rhs>*)0 ); - } - else { - fpc::close_at_tolerance<FPT> P( fpc_tolerance<FPT>(), fpc::FPC_STRONG ); - - assertion_result ar( P( lhs, rhs ) ); - if( !ar ) - ar.message() << "Relative difference exceeds tolerance [" - << P.tested_rel_diff() << " > " << P.fraction_tolerance() << ']'; - return ar; - } -} - -//____________________________________________________________________________// - -template <typename FPT, typename Lhs, typename Rhs> -inline assertion_result -compare_fpv( Lhs const& lhs, Rhs const& rhs, op::NE<Lhs,Rhs>* ) -{ - if( lhs == 0 ) { - return compare_fpv_near_zero( rhs, (op::NE<Lhs,Rhs>*)0 ); - } - else if( rhs == 0 ) { - return compare_fpv_near_zero( lhs, (op::NE<Lhs,Rhs>*)0 ); - } - else { - fpc::close_at_tolerance<FPT> P( fpc_tolerance<FPT>(), fpc::FPC_WEAK ); - - assertion_result ar( !P( lhs, rhs ) ); - if( !ar ) - ar.message() << "Relative difference is within tolerance [" - << P.tested_rel_diff() << " < " << fpc_tolerance<FPT>() << ']'; - - return ar; - } -} - -//____________________________________________________________________________// - -#define DEFINE_FPV_COMPARISON( oper, name, rev ) \ -template<typename Lhs,typename Rhs> \ -struct name<Lhs,Rhs,typename boost::enable_if_c< \ - (fpc::tolerance_based<Lhs>::value && \ - fpc::tolerance_based<Rhs>::value)>::type> { \ -public: \ - typedef typename common_type<Lhs,Rhs>::type FPT; \ - typedef name<Lhs,Rhs> OP; \ - \ - typedef assertion_result result_type; \ - \ - static bool \ - eval_direct( Lhs const& lhs, Rhs const& rhs ) \ - { \ - return lhs oper rhs; \ - } \ - \ - static assertion_result \ - eval( Lhs const& lhs, Rhs const& rhs ) \ - { \ - if( fpc_tolerance<FPT>() == FPT(0) ) \ - { \ - return eval_direct( lhs, rhs ); \ - } \ - \ - return compare_fpv<FPT>( lhs, rhs, (OP*)0 ); \ - } \ - \ - template<typename PrevExprType> \ - static void \ - report( std::ostream& ostr, \ - PrevExprType const& lhs, \ - Rhs const& rhs ) \ - { \ - lhs.report( ostr ); \ - ostr << revert() \ - << tt_detail::print_helper( rhs ); \ - } \ - \ - static char const* revert() \ - { return " " #rev " "; } \ -}; \ -/**/ - -BOOST_TEST_FOR_EACH_COMP_OP( DEFINE_FPV_COMPARISON ) -#undef DEFINE_FPV_COMPARISON - -//____________________________________________________________________________// - -} // namespace op -} // namespace assertion -} // namespace test_tools -} // namespace boost - -#include <boost/test/detail/enable_warnings.hpp> - -#endif // BOOST_TEST_TOOLS_FPC_OP_HPP_050915GER - |