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80 lines
3.4 KiB
C++
80 lines
3.4 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra. Eigen itself is part of the KDE project.
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//
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// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr>
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//
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// Eigen is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 3 of the License, or (at your option) any later version.
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//
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// Alternatively, you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License and a copy of the GNU General Public License along with
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// Eigen. If not, see <http://www.gnu.org/licenses/>.
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#include "main.h"
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void test_meta()
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{
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typedef float & FloatRef;
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typedef const float & ConstFloatRef;
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VERIFY((ei_meta_if<(3<4),ei_meta_true, ei_meta_false>::ret::ret));
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VERIFY(( ei_is_same_type<float,float>::ret));
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VERIFY((!ei_is_same_type<float,double>::ret));
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VERIFY((!ei_is_same_type<float,float&>::ret));
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VERIFY((!ei_is_same_type<float,const float&>::ret));
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VERIFY(( ei_is_same_type<float,ei_cleantype<const float&>::type >::ret));
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VERIFY(( ei_is_same_type<float,ei_cleantype<const float*>::type >::ret));
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VERIFY(( ei_is_same_type<float,ei_cleantype<const float*&>::type >::ret));
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VERIFY(( ei_is_same_type<float,ei_cleantype<float**>::type >::ret));
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VERIFY(( ei_is_same_type<float,ei_cleantype<float**&>::type >::ret));
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VERIFY(( ei_is_same_type<float,ei_cleantype<float* const *&>::type >::ret));
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VERIFY(( ei_is_same_type<float,ei_cleantype<float* const>::type >::ret));
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VERIFY(( ei_is_same_type<float*,ei_unconst<const float*>::type >::ret));
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VERIFY(( ei_is_same_type<float&,ei_unconst<const float&>::type >::ret));
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VERIFY(( ei_is_same_type<float&,ei_unconst<const FloatRef>::type >::ret));
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VERIFY(( ei_is_same_type<float&,ei_unconst<ConstFloatRef>::type >::ret));
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VERIFY(( ei_is_same_type<float&,ei_unconst<const ConstFloatRef>::type >::ret));
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VERIFY(( ei_is_same_type<float&,ei_unconst<float&>::type >::ret));
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VERIFY(( ei_is_same_type<float,ei_unref<float&>::type >::ret));
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VERIFY(( ei_is_same_type<const float,ei_unref<const float&>::type >::ret));
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VERIFY(( ei_is_same_type<float,ei_unpointer<float*>::type >::ret));
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VERIFY(( ei_is_same_type<const float,ei_unpointer<const float*>::type >::ret));
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VERIFY(( ei_is_same_type<float,ei_unpointer<float* const >::type >::ret));
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VERIFY(ei_meta_sqrt<1>::ret == 1);
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#define VERIFY_META_SQRT(X) \
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std::cerr << ei_meta_sqrt<X>::ret << " == " << int(ei_sqrt(double(X))) << "\n"; \
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VERIFY(ei_meta_sqrt<X>::ret == int(ei_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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