98 lines
4.6 KiB
C++
98 lines
4.6 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#include "main.h"
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template<typename From, typename To>
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bool check_is_convertible(const From&, const To&)
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{
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return internal::is_convertible<From,To>::value;
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}
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void test_meta()
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{
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VERIFY((internal::conditional<(3<4),internal::true_type, internal::false_type>::type::value));
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VERIFY(( internal::is_same<float,float>::value));
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VERIFY((!internal::is_same<float,double>::value));
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VERIFY((!internal::is_same<float,float&>::value));
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VERIFY((!internal::is_same<float,const float&>::value));
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VERIFY(( internal::is_same<float,internal::remove_all<const float&>::type >::value));
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VERIFY(( internal::is_same<float,internal::remove_all<const float*>::type >::value));
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VERIFY(( internal::is_same<float,internal::remove_all<const float*&>::type >::value));
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VERIFY(( internal::is_same<float,internal::remove_all<float**>::type >::value));
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VERIFY(( internal::is_same<float,internal::remove_all<float**&>::type >::value));
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VERIFY(( internal::is_same<float,internal::remove_all<float* const *&>::type >::value));
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VERIFY(( internal::is_same<float,internal::remove_all<float* const>::type >::value));
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// test add_const
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VERIFY(( internal::is_same< internal::add_const<float>::type, const float >::value));
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VERIFY(( internal::is_same< internal::add_const<float*>::type, float* const>::value));
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VERIFY(( internal::is_same< internal::add_const<float const*>::type, float const* const>::value));
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VERIFY(( internal::is_same< internal::add_const<float&>::type, float& >::value));
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// test remove_const
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VERIFY(( internal::is_same< internal::remove_const<float const* const>::type, float const* >::value));
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VERIFY(( internal::is_same< internal::remove_const<float const*>::type, float const* >::value));
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VERIFY(( internal::is_same< internal::remove_const<float* const>::type, float* >::value));
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// test add_const_on_value_type
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VERIFY(( internal::is_same< internal::add_const_on_value_type<float&>::type, float const& >::value));
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VERIFY(( internal::is_same< internal::add_const_on_value_type<float*>::type, float const* >::value));
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VERIFY(( internal::is_same< internal::add_const_on_value_type<float>::type, const float >::value));
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VERIFY(( internal::is_same< internal::add_const_on_value_type<const float>::type, const float >::value));
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VERIFY(( internal::is_same< internal::add_const_on_value_type<const float* const>::type, const float* const>::value));
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VERIFY(( internal::is_same< internal::add_const_on_value_type<float* const>::type, const float* const>::value));
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VERIFY(( internal::is_same<float,internal::remove_reference<float&>::type >::value));
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VERIFY(( internal::is_same<const float,internal::remove_reference<const float&>::type >::value));
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VERIFY(( internal::is_same<float,internal::remove_pointer<float*>::type >::value));
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VERIFY(( internal::is_same<const float,internal::remove_pointer<const float*>::type >::value));
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VERIFY(( internal::is_same<float,internal::remove_pointer<float* const >::type >::value));
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VERIFY(( internal::is_convertible<float,double>::value ));
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VERIFY(( internal::is_convertible<int,double>::value ));
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VERIFY(( internal::is_convertible<double,int>::value ));
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VERIFY((!internal::is_convertible<std::complex<double>,double>::value ));
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VERIFY(( internal::is_convertible<Array33f,Matrix3f>::value ));
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// VERIFY((!internal::is_convertible<Matrix3f,Matrix3d>::value )); //does not work because the conversion is prevented by a static assertion
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VERIFY((!internal::is_convertible<Array33f,int>::value ));
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VERIFY((!internal::is_convertible<MatrixXf,float>::value ));
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{
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float f;
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MatrixXf A, B;
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VectorXf a, b;
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VERIFY(( check_is_convertible(a.dot(b), f) ));
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VERIFY(( check_is_convertible(a.transpose()*b, f) ));
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VERIFY((!check_is_convertible(A*B, f) ));
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VERIFY(( check_is_convertible(A*B, A) ));
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}
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VERIFY(internal::meta_sqrt<1>::ret == 1);
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#define VERIFY_META_SQRT(X) VERIFY(internal::meta_sqrt<X>::ret == int(std::sqrt(double(X))))
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VERIFY_META_SQRT(2);
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VERIFY_META_SQRT(3);
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VERIFY_META_SQRT(4);
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VERIFY_META_SQRT(5);
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VERIFY_META_SQRT(6);
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VERIFY_META_SQRT(8);
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VERIFY_META_SQRT(9);
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VERIFY_META_SQRT(15);
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VERIFY_META_SQRT(16);
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VERIFY_META_SQRT(17);
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VERIFY_META_SQRT(255);
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VERIFY_META_SQRT(256);
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VERIFY_META_SQRT(257);
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VERIFY_META_SQRT(1023);
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VERIFY_META_SQRT(1024);
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VERIFY_META_SQRT(1025);
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}
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