1 // This file is part of Eigen, a lightweight C++ template library 2 // for linear algebra. Eigen itself is part of the KDE project. 3 // 4 // Copyright (C) 2008 Gael Guennebaud <g.gael (at) free.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_eigen2_meta() 13 { 14 typedef float & FloatRef; 15 typedef const float & ConstFloatRef; 16 17 VERIFY((ei_meta_if<(3<4),ei_meta_true, ei_meta_false>::ret::ret)); 18 VERIFY(( ei_is_same_type<float,float>::ret)); 19 VERIFY((!ei_is_same_type<float,double>::ret)); 20 VERIFY((!ei_is_same_type<float,float&>::ret)); 21 VERIFY((!ei_is_same_type<float,const float&>::ret)); 22 23 VERIFY(( ei_is_same_type<float,ei_cleantype<const float&>::type >::ret)); 24 VERIFY(( ei_is_same_type<float,ei_cleantype<const float*>::type >::ret)); 25 VERIFY(( ei_is_same_type<float,ei_cleantype<const float*&>::type >::ret)); 26 VERIFY(( ei_is_same_type<float,ei_cleantype<float**>::type >::ret)); 27 VERIFY(( ei_is_same_type<float,ei_cleantype<float**&>::type >::ret)); 28 VERIFY(( ei_is_same_type<float,ei_cleantype<float* const *&>::type >::ret)); 29 VERIFY(( ei_is_same_type<float,ei_cleantype<float* const>::type >::ret)); 30 31 VERIFY(( ei_is_same_type<float*,ei_unconst<const float*>::type >::ret)); 32 VERIFY(( ei_is_same_type<float&,ei_unconst<const float&>::type >::ret)); 33 VERIFY(( ei_is_same_type<float&,ei_unconst<ConstFloatRef>::type >::ret)); 34 35 VERIFY(( ei_is_same_type<float&,ei_unconst<float&>::type >::ret)); 36 VERIFY(( ei_is_same_type<float,ei_unref<float&>::type >::ret)); 37 VERIFY(( ei_is_same_type<const float,ei_unref<const float&>::type >::ret)); 38 VERIFY(( ei_is_same_type<float,ei_unpointer<float*>::type >::ret)); 39 VERIFY(( ei_is_same_type<const float,ei_unpointer<const float*>::type >::ret)); 40 VERIFY(( ei_is_same_type<float,ei_unpointer<float* const >::type >::ret)); 41 42 VERIFY(ei_meta_sqrt<1>::ret == 1); 43 #define VERIFY_META_SQRT(X) VERIFY(ei_meta_sqrt<X>::ret == int(ei_sqrt(double(X)))) 44 VERIFY_META_SQRT(2); 45 VERIFY_META_SQRT(3); 46 VERIFY_META_SQRT(4); 47 VERIFY_META_SQRT(5); 48 VERIFY_META_SQRT(6); 49 VERIFY_META_SQRT(8); 50 VERIFY_META_SQRT(9); 51 VERIFY_META_SQRT(15); 52 VERIFY_META_SQRT(16); 53 VERIFY_META_SQRT(17); 54 VERIFY_META_SQRT(255); 55 VERIFY_META_SQRT(256); 56 VERIFY_META_SQRT(257); 57 VERIFY_META_SQRT(1023); 58 VERIFY_META_SQRT(1024); 59 VERIFY_META_SQRT(1025); 60 } 61