1 // This file is part of Eigen, a lightweight C++ template library 2 // for linear algebra. 3 // 4 // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud (at) inria.fr> 5 // 6 // This Source Code Form is subject to the terms of the Mozilla 7 // Public License v. 2.0. If a copy of the MPL was not distributed 8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 9 10 #include "main.h" 11 12 void test_meta() 13 { 14 VERIFY((internal::conditional<(3<4),internal::true_type, internal::false_type>::type::value)); 15 VERIFY(( internal::is_same<float,float>::value)); 16 VERIFY((!internal::is_same<float,double>::value)); 17 VERIFY((!internal::is_same<float,float&>::value)); 18 VERIFY((!internal::is_same<float,const float&>::value)); 19 20 VERIFY(( internal::is_same<float,internal::remove_all<const float&>::type >::value)); 21 VERIFY(( internal::is_same<float,internal::remove_all<const float*>::type >::value)); 22 VERIFY(( internal::is_same<float,internal::remove_all<const float*&>::type >::value)); 23 VERIFY(( internal::is_same<float,internal::remove_all<float**>::type >::value)); 24 VERIFY(( internal::is_same<float,internal::remove_all<float**&>::type >::value)); 25 VERIFY(( internal::is_same<float,internal::remove_all<float* const *&>::type >::value)); 26 VERIFY(( internal::is_same<float,internal::remove_all<float* const>::type >::value)); 27 28 // test add_const 29 VERIFY(( internal::is_same< internal::add_const<float>::type, const float >::value)); 30 VERIFY(( internal::is_same< internal::add_const<float*>::type, float* const>::value)); 31 VERIFY(( internal::is_same< internal::add_const<float const*>::type, float const* const>::value)); 32 VERIFY(( internal::is_same< internal::add_const<float&>::type, float& >::value)); 33 34 // test remove_const 35 VERIFY(( internal::is_same< internal::remove_const<float const* const>::type, float const* >::value)); 36 VERIFY(( internal::is_same< internal::remove_const<float const*>::type, float const* >::value)); 37 VERIFY(( internal::is_same< internal::remove_const<float* const>::type, float* >::value)); 38 39 // test add_const_on_value_type 40 VERIFY(( internal::is_same< internal::add_const_on_value_type<float&>::type, float const& >::value)); 41 VERIFY(( internal::is_same< internal::add_const_on_value_type<float*>::type, float const* >::value)); 42 43 VERIFY(( internal::is_same< internal::add_const_on_value_type<float>::type, const float >::value)); 44 VERIFY(( internal::is_same< internal::add_const_on_value_type<const float>::type, const float >::value)); 45 46 VERIFY(( internal::is_same< internal::add_const_on_value_type<const float* const>::type, const float* const>::value)); 47 VERIFY(( internal::is_same< internal::add_const_on_value_type<float* const>::type, const float* const>::value)); 48 49 VERIFY(( internal::is_same<float,internal::remove_reference<float&>::type >::value)); 50 VERIFY(( internal::is_same<const float,internal::remove_reference<const float&>::type >::value)); 51 VERIFY(( internal::is_same<float,internal::remove_pointer<float*>::type >::value)); 52 VERIFY(( internal::is_same<const float,internal::remove_pointer<const float*>::type >::value)); 53 VERIFY(( internal::is_same<float,internal::remove_pointer<float* const >::type >::value)); 54 55 VERIFY(internal::meta_sqrt<1>::ret == 1); 56 #define VERIFY_META_SQRT(X) VERIFY(internal::meta_sqrt<X>::ret == int(std::sqrt(double(X)))) 57 VERIFY_META_SQRT(2); 58 VERIFY_META_SQRT(3); 59 VERIFY_META_SQRT(4); 60 VERIFY_META_SQRT(5); 61 VERIFY_META_SQRT(6); 62 VERIFY_META_SQRT(8); 63 VERIFY_META_SQRT(9); 64 VERIFY_META_SQRT(15); 65 VERIFY_META_SQRT(16); 66 VERIFY_META_SQRT(17); 67 VERIFY_META_SQRT(255); 68 VERIFY_META_SQRT(256); 69 VERIFY_META_SQRT(257); 70 VERIFY_META_SQRT(1023); 71 VERIFY_META_SQRT(1024); 72 VERIFY_META_SQRT(1025); 73 } 74