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* split Meta.h to Meta.h (generic meta programming) and XprHelper.h (relates to eigen mechanism)

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* added a meta.cpp unit test
* EIGEN_TUNE_FOR_L2_CACHE_SIZE now represents L2 block size in Bytes (whence the ei_meta_sqrt...)
* added a CustomizeEigen.dox page
* added a TOC to QuickStartGuide.dox
This commit is contained in:
Gael Guennebaud
2008-08-24 15:15:32 +00:00
parent bfe86b8fc0
commit ba100998bf
10 changed files with 399 additions and 169 deletions
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71
test/meta.cpp Normal file
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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra. Eigen itself is part of the KDE project.
//
// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr>
//
// Eigen is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// Alternatively, you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License and a copy of the GNU General Public License along with
// Eigen. If not, see <http://www.gnu.org/licenses/>.
#include "main.h"
void test_meta()
{
VERIFY((ei_meta_if<(3<4),ei_meta_true, ei_meta_false>::ret::ret));
VERIFY(( ei_is_same_type<float,float>::ret));
VERIFY((!ei_is_same_type<float,double>::ret));
VERIFY((!ei_is_same_type<float,float&>::ret));
VERIFY((!ei_is_same_type<float,const float&>::ret));
VERIFY(( ei_is_same_type<float,ei_cleantype<const float&>::type >::ret));
VERIFY(( ei_is_same_type<float,ei_cleantype<const float*>::type >::ret));
VERIFY(( ei_is_same_type<float,ei_cleantype<const float*&>::type >::ret));
VERIFY(( ei_is_same_type<float,ei_cleantype<float**>::type >::ret));
VERIFY(( ei_is_same_type<float,ei_cleantype<float**&>::type >::ret));
VERIFY(( ei_is_same_type<float,ei_cleantype<float* const *&>::type >::ret));
VERIFY(( ei_is_same_type<float,ei_cleantype<float* const>::type >::ret));
VERIFY(( ei_is_same_type<float&,ei_unconst<const float&>::type >::ret));
VERIFY(( ei_is_same_type<float&,ei_unconst<float&>::type >::ret));
VERIFY(( ei_is_same_type<float,ei_unref<float&>::type >::ret));
VERIFY(( ei_is_same_type<const float,ei_unref<const float&>::type >::ret));
VERIFY(( ei_is_same_type<float,ei_unpointer<float*>::type >::ret));
VERIFY(( ei_is_same_type<const float,ei_unpointer<const float*>::type >::ret));
VERIFY(( ei_is_same_type<float,ei_unpointer<float* const >::type >::ret));
VERIFY(ei_meta_sqrt<1>::ret == 1);
#define VERIFY_META_SQRT(X) \
std::cerr << ei_meta_sqrt<X>::ret << " == " << int(ei_sqrt(double(X))) << "\n"; \
VERIFY(ei_meta_sqrt<X>::ret == int(ei_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);
}