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enable testing of Boost.Multiprecision with expression templates

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This commit is contained in:
Gael Guennebaud
2016-07-20 18:21:30 +02:00
parent 7b4abc2b1d
commit 72950effdf
2 changed files with 22 additions and 8 deletions
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22
test/boostmultiprec.cpp
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@@ -7,6 +7,8 @@
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <sstream>
#ifdef EIGEN_TEST_MAX_SIZE
#undef EIGEN_TEST_MAX_SIZE
#endif
@@ -57,13 +59,16 @@
#include <boost/multiprecision/number.hpp>
namespace mp = boost::multiprecision;
typedef mp::number<mp::cpp_dec_float<100>, mp::et_off> Real;
typedef mp::number<mp::cpp_dec_float<100>, mp::et_off> Real; // swith to et_on for testing with expression templates
namespace Eigen {
template<> struct NumTraits<Real> : GenericNumTraits<Real> {
static inline Real dummy_precision() { return 1e-50; }
};
template<typename T1,typename T2,typename T3,typename T4,typename T5>
struct NumTraits<boost::multiprecision::detail::expression<T1,T2,T3,T4,T5> > : NumTraits<Real> {};
template<>
Real test_precision<Real>() { return 1e-50; }
}
@@ -82,10 +87,11 @@ namespace multiprecision {
return internal::isApprox(a, b, test_precision<Real>());
}
inline bool test_isApproxOrLessThan(const Real& a, const Real& b)
{ return internal::isApproxOrLessThan(a, b, test_precision<Real>()); }
inline bool test_isApproxOrLessThan(const Real& a, const Real& b) {
return internal::isApproxOrLessThan(a, b, test_precision<Real>());
}
Real get_test_precision(const Real*) {
Real get_test_precision(const Real&) {
return test_precision<Real>();
}
@@ -108,6 +114,14 @@ void test_boostmultiprec()
std::cout << "NumTraits<Real>::lowest() = " << NumTraits<Real>::lowest() << std::endl;
std::cout << "NumTraits<Real>::highest() = " << NumTraits<Real>::highest() << std::endl;
// chekc stream output
{
Mat A(10,10);
A.setRandom();
std::stringstream ss;
ss << A;
}
for(int i = 0; i < g_repeat; i++) {
int s = internal::random<int>(1,EIGEN_TEST_MAX_SIZE);