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
test_meta()12 void test_meta()
13 {
14 typedef float & FloatRef;
15 typedef const float & ConstFloatRef;
16
17 VERIFY((internal::conditional<(3<4),internal::true_type, internal::false_type>::type::value));
18 VERIFY(( internal::is_same<float,float>::value));
19 VERIFY((!internal::is_same<float,double>::value));
20 VERIFY((!internal::is_same<float,float&>::value));
21 VERIFY((!internal::is_same<float,const float&>::value));
22
23 VERIFY(( internal::is_same<float,internal::remove_all<const float&>::type >::value));
24 VERIFY(( internal::is_same<float,internal::remove_all<const float*>::type >::value));
25 VERIFY(( internal::is_same<float,internal::remove_all<const float*&>::type >::value));
26 VERIFY(( internal::is_same<float,internal::remove_all<float**>::type >::value));
27 VERIFY(( internal::is_same<float,internal::remove_all<float**&>::type >::value));
28 VERIFY(( internal::is_same<float,internal::remove_all<float* const *&>::type >::value));
29 VERIFY(( internal::is_same<float,internal::remove_all<float* const>::type >::value));
30
31 // test add_const
32 VERIFY(( internal::is_same< internal::add_const<float>::type, const float >::value));
33 VERIFY(( internal::is_same< internal::add_const<float*>::type, float* const>::value));
34 VERIFY(( internal::is_same< internal::add_const<float const*>::type, float const* const>::value));
35 VERIFY(( internal::is_same< internal::add_const<float&>::type, float& >::value));
36
37 // test remove_const
38 VERIFY(( internal::is_same< internal::remove_const<float const* const>::type, float const* >::value));
39 VERIFY(( internal::is_same< internal::remove_const<float const*>::type, float const* >::value));
40 VERIFY(( internal::is_same< internal::remove_const<float* const>::type, float* >::value));
41
42 // test add_const_on_value_type
43 VERIFY(( internal::is_same< internal::add_const_on_value_type<float&>::type, float const& >::value));
44 VERIFY(( internal::is_same< internal::add_const_on_value_type<float*>::type, float const* >::value));
45
46 VERIFY(( internal::is_same< internal::add_const_on_value_type<float>::type, const float >::value));
47 VERIFY(( internal::is_same< internal::add_const_on_value_type<const float>::type, const float >::value));
48
49 VERIFY(( internal::is_same< internal::add_const_on_value_type<const float* const>::type, const float* const>::value));
50 VERIFY(( internal::is_same< internal::add_const_on_value_type<float* const>::type, const float* const>::value));
51
52 VERIFY(( internal::is_same<float,internal::remove_reference<float&>::type >::value));
53 VERIFY(( internal::is_same<const float,internal::remove_reference<const float&>::type >::value));
54 VERIFY(( internal::is_same<float,internal::remove_pointer<float*>::type >::value));
55 VERIFY(( internal::is_same<const float,internal::remove_pointer<const float*>::type >::value));
56 VERIFY(( internal::is_same<float,internal::remove_pointer<float* const >::type >::value));
57
58 VERIFY(internal::meta_sqrt<1>::ret == 1);
59 #define VERIFY_META_SQRT(X) VERIFY(internal::meta_sqrt<X>::ret == int(internal::sqrt(double(X))))
60 VERIFY_META_SQRT(2);
61 VERIFY_META_SQRT(3);
62 VERIFY_META_SQRT(4);
63 VERIFY_META_SQRT(5);
64 VERIFY_META_SQRT(6);
65 VERIFY_META_SQRT(8);
66 VERIFY_META_SQRT(9);
67 VERIFY_META_SQRT(15);
68 VERIFY_META_SQRT(16);
69 VERIFY_META_SQRT(17);
70 VERIFY_META_SQRT(255);
71 VERIFY_META_SQRT(256);
72 VERIFY_META_SQRT(257);
73 VERIFY_META_SQRT(1023);
74 VERIFY_META_SQRT(1024);
75 VERIFY_META_SQRT(1025);
76 }
77