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authorGravatar Gael Guennebaud <g.gael@free.fr>2008-08-24 15:15:32 +0000
committerGravatar Gael Guennebaud <g.gael@free.fr>2008-08-24 15:15:32 +0000
commitba100998bfab8fcf325451be050cabb52f641f46 (patch)
tree7b18bcccdd10dd109c383948b186b996cabae67d /test/meta.cpp
parentbfe86b8fc0434cf03838bc1534f9f810594f2f08 (diff)
* split Meta.h to Meta.h (generic meta programming) and XprHelper.h (relates to eigen mechanism)
* 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
Diffstat (limited to 'test/meta.cpp')
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1 files changed, 71 insertions, 0 deletions
diff --git a/test/meta.cpp b/test/meta.cpp
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+++ b/test/meta.cpp
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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);
+}