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Rework comparison operators - note that existing backends are made less efficient by this at present.

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[SVN r79823]
This commit is contained in:
John Maddock
2012-07-31 18:14:14 +00:00
parent 5711748ee1
commit c79fb41526
6 changed files with 671 additions and 14 deletions
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25
test/test_arithmetic.cpp
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@@ -18,7 +18,7 @@
#if !defined(TEST_MPF_50) && !defined(TEST_MPF) && !defined(TEST_BACKEND) && !defined(TEST_MPZ) && \
!defined(TEST_CPP_DEC_FLOAT) && !defined(TEST_MPFR) && !defined(TEST_MPFR_50) && !defined(TEST_MPQ) \
&& !defined(TEST_TOMMATH) && !defined(TEST_TOMMATH_BOOST_RATIONAL) && !defined(TEST_MPZ_BOOST_RATIONAL)\
&& !defined(TEST_CPP_INT) && !defined(TEST_CPP_INT_BR)
&& !defined(TEST_CPP_INT) && !defined(TEST_CPP_INT_BR) && !defined(TEST_ARITHMETIC_BACKEND)
# define TEST_MPF_50
# define TEST_MPF
# define TEST_BACKEND
@@ -30,6 +30,7 @@
# define TEST_TOMMATH
# define TEST_CPP_INT
# define TEST_CPP_INT_BR
# define TEST_ARITHMETIC_BACKEND
#ifdef _MSC_VER
#pragma message("CAUTION!!: No backend type specified so testing everything.... this will take some time!!")
@@ -40,6 +41,9 @@
#endif
#if defined(TEST_ARITHMETIC_BACKEND)
# include "../performance/arithmetic_backend.hpp"
#endif
#if defined(TEST_MPF_50) || defined(TEST_MPF) || defined(TEST_MPZ) || defined(TEST_MPQ) || defined(TEST_MPZ_BOOST_RATIONAL)
#include <boost/multiprecision/gmp.hpp>
#include <boost/multiprecision/rational_adapter.hpp>
@@ -628,7 +632,10 @@ void test_negative_mixed(boost::mpl::true_ const&)
Num tol = 0;
#endif
std::ios_base::fmtflags f = boost::is_floating_point<Num>::value ? std::ios_base::scientific : std::ios_base::fmtflags(0);
BOOST_TEST_CLOSE(n1, boost::lexical_cast<target_type>(Real(n1).str(0, f)), tol);
if(std::numeric_limits<target_type>::digits <= std::numeric_limits<Real>::digits)
{
BOOST_TEST_CLOSE(n1, boost::lexical_cast<target_type>(Real(n1).str(0, f)), tol);
}
BOOST_TEST_CLOSE(n2, boost::lexical_cast<target_type>(Real(n2).str(0, f)), 0);
BOOST_TEST_CLOSE(n3, boost::lexical_cast<target_type>(Real(n3).str(0, f)), 0);
BOOST_TEST_CLOSE(n4, boost::lexical_cast<target_type>(Real(n4).str(0, f)), 0);
@@ -693,6 +700,10 @@ template <class Real, class Num>
void test_mixed()
{
typedef typename lexical_cast_target_type<Num>::type target_type;
if(std::numeric_limits<Real>::digits < std::numeric_limits<Num>::digits)
return;
std::cout << "Testing mixed arithmetic with type: " << typeid(Real).name() << " and " << typeid(Num).name() << std::endl;
Num n1 = static_cast<Num>(1uLL << (std::numeric_limits<Num>::digits - 1));
Num n2 = 1;
@@ -730,7 +741,10 @@ void test_mixed()
Num tol = 0;
#endif
std::ios_base::fmtflags f = boost::is_floating_point<Num>::value ? std::ios_base::scientific : std::ios_base::fmtflags(0);
BOOST_TEST_CLOSE(n1, boost::lexical_cast<target_type>(Real(n1).str(0, f)), tol);
if(std::numeric_limits<target_type>::digits <= std::numeric_limits<Real>::digits)
{
BOOST_TEST_CLOSE(n1, boost::lexical_cast<target_type>(Real(n1).str(0, f)), tol);
}
BOOST_TEST_CLOSE(n2, boost::lexical_cast<target_type>(Real(n2).str(0, f)), 0);
BOOST_TEST_CLOSE(n3, boost::lexical_cast<target_type>(Real(n3).str(0, f)), 0);
BOOST_TEST_CLOSE(n4, boost::lexical_cast<target_type>(Real(n4).str(0, f)), 0);
@@ -1126,6 +1140,11 @@ void test()
int main()
{
#ifdef TEST_ARITHMETIC_BACKEND
test<boost::multiprecision::mp_number<boost::multiprecision::arithmetic_backend<double> > >();
test<boost::multiprecision::mp_number<boost::multiprecision::arithmetic_backend<int> > >();
test<boost::multiprecision::mp_number<boost::multiprecision::arithmetic_backend<unsigned int> > >();
#endif
#ifdef TEST_BACKEND
test<boost::multiprecision::mp_number<boost::multiprecision::concepts::mp_number_backend_float_architype> >();
#endif