ground/gcs/src/libs/eigen/test/meta.cpp

   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
  12 void 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 }