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 typedef float & FloatRef; 15 typedef const float & ConstFloatRef; 16 17 VERIFY((internal::conditional<(3<4),internal::true_type, internal::false_type>::type::value)); 18 VERIFY(( internal::is_same<float,float>::value)); 19 VERIFY((!internal::is_same<float,double>::value)); 20 VERIFY((!internal::is_same<float,float&>::value)); 21 VERIFY((!internal::is_same<float,const float&>::value)); 22 23 VERIFY(( internal::is_same<float,internal::remove_all<const float&>::type >::value)); 24 VERIFY(( internal::is_same<float,internal::remove_all<const float*>::type >::value)); 25 VERIFY(( internal::is_same<float,internal::remove_all<const float*&>::type >::value)); 26 VERIFY(( internal::is_same<float,internal::remove_all<float**>::type >::value)); 27 VERIFY(( internal::is_same<float,internal::remove_all<float**&>::type >::value)); 28 VERIFY(( internal::is_same<float,internal::remove_all<float* const *&>::type >::value)); 29 VERIFY(( internal::is_same<float,internal::remove_all<float* const>::type >::value)); 30 31 // test add_const 32 VERIFY(( internal::is_same< internal::add_const<float>::type, const float >::value)); 33 VERIFY(( internal::is_same< internal::add_const<float*>::type, float* const>::value)); 34 VERIFY(( internal::is_same< internal::add_const<float const*>::type, float const* const>::value)); 35 VERIFY(( internal::is_same< internal::add_const<float&>::type, float& >::value)); 36 37 // test remove_const 38 VERIFY(( internal::is_same< internal::remove_const<float const* const>::type, float const* >::value)); 39 VERIFY(( internal::is_same< internal::remove_const<float const*>::type, float const* >::value)); 40 VERIFY(( internal::is_same< internal::remove_const<float* const>::type, float* >::value)); 41 42 // test add_const_on_value_type 43 VERIFY(( internal::is_same< internal::add_const_on_value_type<float&>::type, float const& >::value)); 44 VERIFY(( internal::is_same< internal::add_const_on_value_type<float*>::type, float const* >::value)); 45 46 VERIFY(( internal::is_same< internal::add_const_on_value_type<float>::type, const float >::value)); 47 VERIFY(( internal::is_same< internal::add_const_on_value_type<const float>::type, const float >::value)); 48 49 VERIFY(( internal::is_same< internal::add_const_on_value_type<const float* const>::type, const float* const>::value)); 50 VERIFY(( internal::is_same< internal::add_const_on_value_type<float* const>::type, const float* const>::value)); 51 52 VERIFY(( internal::is_same<float,internal::remove_reference<float&>::type >::value)); 53 VERIFY(( internal::is_same<const float,internal::remove_reference<const float&>::type >::value)); 54 VERIFY(( internal::is_same<float,internal::remove_pointer<float*>::type >::value)); 55 VERIFY(( internal::is_same<const float,internal::remove_pointer<const float*>::type >::value)); 56 VERIFY(( internal::is_same<float,internal::remove_pointer<float* const >::type >::value)); 57 58 VERIFY(internal::meta_sqrt<1>::ret == 1); 59 #define VERIFY_META_SQRT(X) VERIFY(internal::meta_sqrt<X>::ret == int(internal::sqrt(double(X)))) 60 VERIFY_META_SQRT(2); 61 VERIFY_META_SQRT(3); 62 VERIFY_META_SQRT(4); 63 VERIFY_META_SQRT(5); 64 VERIFY_META_SQRT(6); 65 VERIFY_META_SQRT(8); 66 VERIFY_META_SQRT(9); 67 VERIFY_META_SQRT(15); 68 VERIFY_META_SQRT(16); 69 VERIFY_META_SQRT(17); 70 VERIFY_META_SQRT(255); 71 VERIFY_META_SQRT(256); 72 VERIFY_META_SQRT(257); 73 VERIFY_META_SQRT(1023); 74 VERIFY_META_SQRT(1024); 75 VERIFY_META_SQRT(1025); 76 } 77