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@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
12void 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