1// This file is part of Eigen, a lightweight C++ template library
2// for linear algebra.
3//
4// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.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_meta()
13{
14  VERIFY((internal::conditional<(3<4),internal::true_type, internal::false_type>::type::value));
15  VERIFY(( internal::is_same<float,float>::value));
16  VERIFY((!internal::is_same<float,double>::value));
17  VERIFY((!internal::is_same<float,float&>::value));
18  VERIFY((!internal::is_same<float,const float&>::value));
19
20  VERIFY(( internal::is_same<float,internal::remove_all<const float&>::type >::value));
21  VERIFY(( internal::is_same<float,internal::remove_all<const float*>::type >::value));
22  VERIFY(( internal::is_same<float,internal::remove_all<const float*&>::type >::value));
23  VERIFY(( internal::is_same<float,internal::remove_all<float**>::type >::value));
24  VERIFY(( internal::is_same<float,internal::remove_all<float**&>::type >::value));
25  VERIFY(( internal::is_same<float,internal::remove_all<float* const *&>::type >::value));
26  VERIFY(( internal::is_same<float,internal::remove_all<float* const>::type >::value));
27
28  // test add_const
29  VERIFY(( internal::is_same< internal::add_const<float>::type, const float >::value));
30  VERIFY(( internal::is_same< internal::add_const<float*>::type, float* const>::value));
31  VERIFY(( internal::is_same< internal::add_const<float const*>::type, float const* const>::value));
32  VERIFY(( internal::is_same< internal::add_const<float&>::type, float& >::value));
33
34  // test remove_const
35  VERIFY(( internal::is_same< internal::remove_const<float const* const>::type, float const* >::value));
36  VERIFY(( internal::is_same< internal::remove_const<float const*>::type, float const* >::value));
37  VERIFY(( internal::is_same< internal::remove_const<float* const>::type, float* >::value));
38
39  // test add_const_on_value_type
40  VERIFY(( internal::is_same< internal::add_const_on_value_type<float&>::type, float const& >::value));
41  VERIFY(( internal::is_same< internal::add_const_on_value_type<float*>::type, float const* >::value));
42
43  VERIFY(( internal::is_same< internal::add_const_on_value_type<float>::type, const float >::value));
44  VERIFY(( internal::is_same< internal::add_const_on_value_type<const float>::type, const float >::value));
45
46  VERIFY(( internal::is_same< internal::add_const_on_value_type<const float* const>::type, const float* const>::value));
47  VERIFY(( internal::is_same< internal::add_const_on_value_type<float* const>::type, const float* const>::value));
48
49  VERIFY(( internal::is_same<float,internal::remove_reference<float&>::type >::value));
50  VERIFY(( internal::is_same<const float,internal::remove_reference<const float&>::type >::value));
51  VERIFY(( internal::is_same<float,internal::remove_pointer<float*>::type >::value));
52  VERIFY(( internal::is_same<const float,internal::remove_pointer<const float*>::type >::value));
53  VERIFY(( internal::is_same<float,internal::remove_pointer<float* const >::type >::value));
54
55  VERIFY(internal::meta_sqrt<1>::ret == 1);
56  #define VERIFY_META_SQRT(X) VERIFY(internal::meta_sqrt<X>::ret == int(std::sqrt(double(X))))
57  VERIFY_META_SQRT(2);
58  VERIFY_META_SQRT(3);
59  VERIFY_META_SQRT(4);
60  VERIFY_META_SQRT(5);
61  VERIFY_META_SQRT(6);
62  VERIFY_META_SQRT(8);
63  VERIFY_META_SQRT(9);
64  VERIFY_META_SQRT(15);
65  VERIFY_META_SQRT(16);
66  VERIFY_META_SQRT(17);
67  VERIFY_META_SQRT(255);
68  VERIFY_META_SQRT(256);
69  VERIFY_META_SQRT(257);
70  VERIFY_META_SQRT(1023);
71  VERIFY_META_SQRT(1024);
72  VERIFY_META_SQRT(1025);
73}
74