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// 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); }
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