mirror of
https://gitlab.com/libeigen/eigen.git
synced 2024-12-15 07:10:37 +08:00
98 lines
4.6 KiB
C++
98 lines
4.6 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
|
|
// for linear algebra.
|
|
//
|
|
// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla
|
|
// 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 "main.h"
|
|
|
|
template<typename From, typename To>
|
|
bool check_is_convertible(const From&, const To&)
|
|
{
|
|
return internal::is_convertible<From,To>::value;
|
|
}
|
|
|
|
void test_meta()
|
|
{
|
|
VERIFY((internal::conditional<(3<4),internal::true_type, internal::false_type>::type::value));
|
|
VERIFY(( internal::is_same<float,float>::value));
|
|
VERIFY((!internal::is_same<float,double>::value));
|
|
VERIFY((!internal::is_same<float,float&>::value));
|
|
VERIFY((!internal::is_same<float,const float&>::value));
|
|
|
|
VERIFY(( internal::is_same<float,internal::remove_all<const float&>::type >::value));
|
|
VERIFY(( internal::is_same<float,internal::remove_all<const float*>::type >::value));
|
|
VERIFY(( internal::is_same<float,internal::remove_all<const float*&>::type >::value));
|
|
VERIFY(( internal::is_same<float,internal::remove_all<float**>::type >::value));
|
|
VERIFY(( internal::is_same<float,internal::remove_all<float**&>::type >::value));
|
|
VERIFY(( internal::is_same<float,internal::remove_all<float* const *&>::type >::value));
|
|
VERIFY(( internal::is_same<float,internal::remove_all<float* const>::type >::value));
|
|
|
|
// test add_const
|
|
VERIFY(( internal::is_same< internal::add_const<float>::type, const float >::value));
|
|
VERIFY(( internal::is_same< internal::add_const<float*>::type, float* const>::value));
|
|
VERIFY(( internal::is_same< internal::add_const<float const*>::type, float const* const>::value));
|
|
VERIFY(( internal::is_same< internal::add_const<float&>::type, float& >::value));
|
|
|
|
// test remove_const
|
|
VERIFY(( internal::is_same< internal::remove_const<float const* const>::type, float const* >::value));
|
|
VERIFY(( internal::is_same< internal::remove_const<float const*>::type, float const* >::value));
|
|
VERIFY(( internal::is_same< internal::remove_const<float* const>::type, float* >::value));
|
|
|
|
// test add_const_on_value_type
|
|
VERIFY(( internal::is_same< internal::add_const_on_value_type<float&>::type, float const& >::value));
|
|
VERIFY(( internal::is_same< internal::add_const_on_value_type<float*>::type, float const* >::value));
|
|
|
|
VERIFY(( internal::is_same< internal::add_const_on_value_type<float>::type, const float >::value));
|
|
VERIFY(( internal::is_same< internal::add_const_on_value_type<const float>::type, const float >::value));
|
|
|
|
VERIFY(( internal::is_same< internal::add_const_on_value_type<const float* const>::type, const float* const>::value));
|
|
VERIFY(( internal::is_same< internal::add_const_on_value_type<float* const>::type, const float* const>::value));
|
|
|
|
VERIFY(( internal::is_same<float,internal::remove_reference<float&>::type >::value));
|
|
VERIFY(( internal::is_same<const float,internal::remove_reference<const float&>::type >::value));
|
|
VERIFY(( internal::is_same<float,internal::remove_pointer<float*>::type >::value));
|
|
VERIFY(( internal::is_same<const float,internal::remove_pointer<const float*>::type >::value));
|
|
VERIFY(( internal::is_same<float,internal::remove_pointer<float* const >::type >::value));
|
|
|
|
VERIFY(( internal::is_convertible<float,double>::value ));
|
|
VERIFY(( internal::is_convertible<int,double>::value ));
|
|
VERIFY(( internal::is_convertible<double,int>::value ));
|
|
VERIFY((!internal::is_convertible<std::complex<double>,double>::value ));
|
|
VERIFY(( internal::is_convertible<Array33f,Matrix3f>::value ));
|
|
// VERIFY((!internal::is_convertible<Matrix3f,Matrix3d>::value )); //does not work because the conversion is prevented by a static assertion
|
|
VERIFY((!internal::is_convertible<Array33f,int>::value ));
|
|
VERIFY((!internal::is_convertible<MatrixXf,float>::value ));
|
|
{
|
|
float f;
|
|
MatrixXf A, B;
|
|
VectorXf a, b;
|
|
VERIFY(( check_is_convertible(a.dot(b), f) ));
|
|
VERIFY(( check_is_convertible(a.transpose()*b, f) ));
|
|
VERIFY((!check_is_convertible(A*B, f) ));
|
|
VERIFY(( check_is_convertible(A*B, A) ));
|
|
}
|
|
|
|
VERIFY(internal::meta_sqrt<1>::ret == 1);
|
|
#define VERIFY_META_SQRT(X) VERIFY(internal::meta_sqrt<X>::ret == int(std::sqrt(double(X))))
|
|
VERIFY_META_SQRT(2);
|
|
VERIFY_META_SQRT(3);
|
|
VERIFY_META_SQRT(4);
|
|
VERIFY_META_SQRT(5);
|
|
VERIFY_META_SQRT(6);
|
|
VERIFY_META_SQRT(8);
|
|
VERIFY_META_SQRT(9);
|
|
VERIFY_META_SQRT(15);
|
|
VERIFY_META_SQRT(16);
|
|
VERIFY_META_SQRT(17);
|
|
VERIFY_META_SQRT(255);
|
|
VERIFY_META_SQRT(256);
|
|
VERIFY_META_SQRT(257);
|
|
VERIFY_META_SQRT(1023);
|
|
VERIFY_META_SQRT(1024);
|
|
VERIFY_META_SQRT(1025);
|
|
}
|