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      1 // This file is part of Eigen, a lightweight C++ template library
      2 // for linear algebra.
      3 //
      4 // Copyright (C) 2013 Christian Seiler <christian (at) iwakd.de>
      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 #include <array>
     13 #include <Eigen/CXX11/src/util/CXX11Meta.h>
     14 
     15 using Eigen::internal::is_same;
     16 using Eigen::internal::type_list;
     17 using Eigen::internal::numeric_list;
     18 using Eigen::internal::gen_numeric_list;
     19 using Eigen::internal::gen_numeric_list_reversed;
     20 using Eigen::internal::gen_numeric_list_swapped_pair;
     21 using Eigen::internal::gen_numeric_list_repeated;
     22 using Eigen::internal::concat;
     23 using Eigen::internal::mconcat;
     24 using Eigen::internal::take;
     25 using Eigen::internal::skip;
     26 using Eigen::internal::slice;
     27 using Eigen::internal::get;
     28 using Eigen::internal::id_numeric;
     29 using Eigen::internal::id_type;
     30 using Eigen::internal::is_same_gf;
     31 using Eigen::internal::apply_op_from_left;
     32 using Eigen::internal::apply_op_from_right;
     33 using Eigen::internal::contained_in_list;
     34 using Eigen::internal::contained_in_list_gf;
     35 using Eigen::internal::arg_prod;
     36 using Eigen::internal::arg_sum;
     37 using Eigen::internal::sum_op;
     38 using Eigen::internal::product_op;
     39 using Eigen::internal::array_reverse;
     40 using Eigen::internal::array_sum;
     41 using Eigen::internal::array_prod;
     42 using Eigen::internal::array_reduce;
     43 using Eigen::internal::array_zip;
     44 using Eigen::internal::array_zip_and_reduce;
     45 using Eigen::internal::array_apply;
     46 using Eigen::internal::array_apply_and_reduce;
     47 using Eigen::internal::repeat;
     48 using Eigen::internal::instantiate_by_c_array;
     49 
     50 struct dummy_a {};
     51 struct dummy_b {};
     52 struct dummy_c {};
     53 struct dummy_d {};
     54 struct dummy_e {};
     55 
     56 // dummy operation for testing apply
     57 template<typename A, typename B> struct dummy_op;
     58 template<> struct dummy_op<dummy_a, dummy_b> { typedef dummy_c type; };
     59 template<> struct dummy_op<dummy_b, dummy_a> { typedef dummy_d type; };
     60 template<> struct dummy_op<dummy_b, dummy_c> { typedef dummy_a type; };
     61 template<> struct dummy_op<dummy_c, dummy_b> { typedef dummy_d type; };
     62 template<> struct dummy_op<dummy_c, dummy_a> { typedef dummy_b type; };
     63 template<> struct dummy_op<dummy_a, dummy_c> { typedef dummy_d type; };
     64 template<> struct dummy_op<dummy_a, dummy_a> { typedef dummy_e type; };
     65 template<> struct dummy_op<dummy_b, dummy_b> { typedef dummy_e type; };
     66 template<> struct dummy_op<dummy_c, dummy_c> { typedef dummy_e type; };
     67 
     68 template<typename A, typename B> struct dummy_test { constexpr static bool value = false; constexpr static int global_flags = 0; };
     69 template<> struct dummy_test<dummy_a, dummy_a>     { constexpr static bool value = true;  constexpr static int global_flags = 1; };
     70 template<> struct dummy_test<dummy_b, dummy_b>     { constexpr static bool value = true;  constexpr static int global_flags = 2; };
     71 template<> struct dummy_test<dummy_c, dummy_c>     { constexpr static bool value = true;  constexpr static int global_flags = 4; };
     72 
     73 struct times2_op { template<typename A> static A run(A v) { return v * 2; } };
     74 
     75 struct dummy_inst
     76 {
     77   int c;
     78 
     79   dummy_inst() : c(0) {}
     80   explicit dummy_inst(int) : c(1) {}
     81   dummy_inst(int, int) : c(2) {}
     82   dummy_inst(int, int, int) : c(3) {}
     83   dummy_inst(int, int, int, int) : c(4) {}
     84   dummy_inst(int, int, int, int, int) : c(5) {}
     85 };
     86 
     87 static void test_gen_numeric_list()
     88 {
     89   VERIFY((is_same<typename gen_numeric_list<int, 0>::type, numeric_list<int>>::value));
     90   VERIFY((is_same<typename gen_numeric_list<int, 1>::type, numeric_list<int, 0>>::value));
     91   VERIFY((is_same<typename gen_numeric_list<int, 2>::type, numeric_list<int, 0, 1>>::value));
     92   VERIFY((is_same<typename gen_numeric_list<int, 5>::type, numeric_list<int, 0, 1, 2, 3, 4>>::value));
     93   VERIFY((is_same<typename gen_numeric_list<int, 10>::type, numeric_list<int, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9>>::value));
     94 
     95   VERIFY((is_same<typename gen_numeric_list<int, 0, 42>::type, numeric_list<int>>::value));
     96   VERIFY((is_same<typename gen_numeric_list<int, 1, 42>::type, numeric_list<int, 42>>::value));
     97   VERIFY((is_same<typename gen_numeric_list<int, 2, 42>::type, numeric_list<int, 42, 43>>::value));
     98   VERIFY((is_same<typename gen_numeric_list<int, 5, 42>::type, numeric_list<int, 42, 43, 44, 45, 46>>::value));
     99   VERIFY((is_same<typename gen_numeric_list<int, 10, 42>::type, numeric_list<int, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51>>::value));
    100 
    101   VERIFY((is_same<typename gen_numeric_list_reversed<int, 0>::type, numeric_list<int>>::value));
    102   VERIFY((is_same<typename gen_numeric_list_reversed<int, 1>::type, numeric_list<int, 0>>::value));
    103   VERIFY((is_same<typename gen_numeric_list_reversed<int, 2>::type, numeric_list<int, 1, 0>>::value));
    104   VERIFY((is_same<typename gen_numeric_list_reversed<int, 5>::type, numeric_list<int, 4, 3, 2, 1, 0>>::value));
    105   VERIFY((is_same<typename gen_numeric_list_reversed<int, 10>::type, numeric_list<int, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0>>::value));
    106 
    107   VERIFY((is_same<typename gen_numeric_list_reversed<int, 0, 42>::type, numeric_list<int>>::value));
    108   VERIFY((is_same<typename gen_numeric_list_reversed<int, 1, 42>::type, numeric_list<int, 42>>::value));
    109   VERIFY((is_same<typename gen_numeric_list_reversed<int, 2, 42>::type, numeric_list<int, 43, 42>>::value));
    110   VERIFY((is_same<typename gen_numeric_list_reversed<int, 5, 42>::type, numeric_list<int, 46, 45, 44, 43, 42>>::value));
    111   VERIFY((is_same<typename gen_numeric_list_reversed<int, 10, 42>::type, numeric_list<int, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42>>::value));
    112 
    113   VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 0, 2, 3>::type, numeric_list<int>>::value));
    114   VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 1, 2, 3>::type, numeric_list<int, 0>>::value));
    115   VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 2, 2, 3>::type, numeric_list<int, 0, 1>>::value));
    116   VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 5, 2, 3>::type, numeric_list<int, 0, 1, 3, 2, 4>>::value));
    117   VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 10, 2, 3>::type, numeric_list<int, 0, 1, 3, 2, 4, 5, 6, 7, 8, 9>>::value));
    118 
    119   VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 0, 44, 45, 42>::type, numeric_list<int>>::value));
    120   VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 1, 44, 45, 42>::type, numeric_list<int, 42>>::value));
    121   VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 2, 44, 45, 42>::type, numeric_list<int, 42, 43>>::value));
    122   VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 5, 44, 45, 42>::type, numeric_list<int, 42, 43, 45, 44, 46>>::value));
    123   VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 10, 44, 45, 42>::type, numeric_list<int, 42, 43, 45, 44, 46, 47, 48, 49, 50, 51>>::value));
    124 
    125   VERIFY((is_same<typename gen_numeric_list_repeated<int, 0, 0>::type, numeric_list<int>>::value));
    126   VERIFY((is_same<typename gen_numeric_list_repeated<int, 1, 0>::type, numeric_list<int, 0>>::value));
    127   VERIFY((is_same<typename gen_numeric_list_repeated<int, 2, 0>::type, numeric_list<int, 0, 0>>::value));
    128   VERIFY((is_same<typename gen_numeric_list_repeated<int, 5, 0>::type, numeric_list<int, 0, 0, 0, 0, 0>>::value));
    129   VERIFY((is_same<typename gen_numeric_list_repeated<int, 10, 0>::type, numeric_list<int, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0>>::value));
    130 }
    131 
    132 static void test_concat()
    133 {
    134   VERIFY((is_same<typename concat<type_list<dummy_a, dummy_a>, type_list<>>::type, type_list<dummy_a, dummy_a>>::value));
    135   VERIFY((is_same<typename concat<type_list<>, type_list<dummy_a, dummy_a>>::type, type_list<dummy_a, dummy_a>>::value));
    136   VERIFY((is_same<typename concat<type_list<dummy_a, dummy_a>, type_list<dummy_a, dummy_a>>::type, type_list<dummy_a, dummy_a, dummy_a, dummy_a>>::value));
    137   VERIFY((is_same<typename concat<type_list<dummy_a, dummy_a>, type_list<dummy_b, dummy_c>>::type, type_list<dummy_a, dummy_a, dummy_b, dummy_c>>::value));
    138   VERIFY((is_same<typename concat<type_list<dummy_a>, type_list<dummy_b, dummy_c>>::type, type_list<dummy_a, dummy_b, dummy_c>>::value));
    139 
    140   VERIFY((is_same<typename concat<numeric_list<int, 0, 0>, numeric_list<int>>::type, numeric_list<int, 0, 0>>::value));
    141   VERIFY((is_same<typename concat<numeric_list<int>, numeric_list<int, 0, 0>>::type, numeric_list<int, 0, 0>>::value));
    142   VERIFY((is_same<typename concat<numeric_list<int, 0, 0>, numeric_list<int, 0, 0>>::type, numeric_list<int, 0, 0, 0, 0>>::value));
    143   VERIFY((is_same<typename concat<numeric_list<int, 0, 0>, numeric_list<int, 1, 2>>::type, numeric_list<int, 0, 0, 1, 2>>::value));
    144   VERIFY((is_same<typename concat<numeric_list<int, 0>, numeric_list<int, 1, 2>>::type, numeric_list<int, 0, 1, 2>>::value));
    145 
    146   VERIFY((is_same<typename mconcat<type_list<dummy_a>>::type, type_list<dummy_a>>::value));
    147   VERIFY((is_same<typename mconcat<type_list<dummy_a>, type_list<dummy_b>>::type, type_list<dummy_a, dummy_b>>::value));
    148   VERIFY((is_same<typename mconcat<type_list<dummy_a>, type_list<dummy_b>, type_list<dummy_c>>::type, type_list<dummy_a, dummy_b, dummy_c>>::value));
    149   VERIFY((is_same<typename mconcat<type_list<dummy_a>, type_list<dummy_b, dummy_c>>::type, type_list<dummy_a, dummy_b, dummy_c>>::value));
    150   VERIFY((is_same<typename mconcat<type_list<dummy_a, dummy_b>, type_list<dummy_c>>::type, type_list<dummy_a, dummy_b, dummy_c>>::value));
    151 
    152   VERIFY((is_same<typename mconcat<numeric_list<int, 0>>::type, numeric_list<int, 0>>::value));
    153   VERIFY((is_same<typename mconcat<numeric_list<int, 0>, numeric_list<int, 1>>::type, numeric_list<int, 0, 1>>::value));
    154   VERIFY((is_same<typename mconcat<numeric_list<int, 0>, numeric_list<int, 1>, numeric_list<int, 2>>::type, numeric_list<int, 0, 1, 2>>::value));
    155   VERIFY((is_same<typename mconcat<numeric_list<int, 0>, numeric_list<int, 1, 2>>::type, numeric_list<int, 0, 1, 2>>::value));
    156   VERIFY((is_same<typename mconcat<numeric_list<int, 0, 1>, numeric_list<int, 2>>::type, numeric_list<int, 0, 1, 2>>::value));
    157 }
    158 
    159 static void test_slice()
    160 {
    161   typedef type_list<dummy_a, dummy_a, dummy_b, dummy_b, dummy_c, dummy_c> tl;
    162   typedef numeric_list<int, 0, 1, 2, 3, 4, 5> il;
    163 
    164   VERIFY((is_same<typename take<0, tl>::type, type_list<>>::value));
    165   VERIFY((is_same<typename take<1, tl>::type, type_list<dummy_a>>::value));
    166   VERIFY((is_same<typename take<2, tl>::type, type_list<dummy_a, dummy_a>>::value));
    167   VERIFY((is_same<typename take<3, tl>::type, type_list<dummy_a, dummy_a, dummy_b>>::value));
    168   VERIFY((is_same<typename take<4, tl>::type, type_list<dummy_a, dummy_a, dummy_b, dummy_b>>::value));
    169   VERIFY((is_same<typename take<5, tl>::type, type_list<dummy_a, dummy_a, dummy_b, dummy_b, dummy_c>>::value));
    170   VERIFY((is_same<typename take<6, tl>::type, type_list<dummy_a, dummy_a, dummy_b, dummy_b, dummy_c, dummy_c>>::value));
    171 
    172   VERIFY((is_same<typename take<0, il>::type, numeric_list<int>>::value));
    173   VERIFY((is_same<typename take<1, il>::type, numeric_list<int, 0>>::value));
    174   VERIFY((is_same<typename take<2, il>::type, numeric_list<int, 0, 1>>::value));
    175   VERIFY((is_same<typename take<3, il>::type, numeric_list<int, 0, 1, 2>>::value));
    176   VERIFY((is_same<typename take<4, il>::type, numeric_list<int, 0, 1, 2, 3>>::value));
    177   VERIFY((is_same<typename take<5, il>::type, numeric_list<int, 0, 1, 2, 3, 4>>::value));
    178   VERIFY((is_same<typename take<6, il>::type, numeric_list<int, 0, 1, 2, 3, 4, 5>>::value));
    179 
    180   VERIFY((is_same<typename skip<0, tl>::type, type_list<dummy_a, dummy_a, dummy_b, dummy_b, dummy_c, dummy_c>>::value));
    181   VERIFY((is_same<typename skip<1, tl>::type, type_list<dummy_a, dummy_b, dummy_b, dummy_c, dummy_c>>::value));
    182   VERIFY((is_same<typename skip<2, tl>::type, type_list<dummy_b, dummy_b, dummy_c, dummy_c>>::value));
    183   VERIFY((is_same<typename skip<3, tl>::type, type_list<dummy_b, dummy_c, dummy_c>>::value));
    184   VERIFY((is_same<typename skip<4, tl>::type, type_list<dummy_c, dummy_c>>::value));
    185   VERIFY((is_same<typename skip<5, tl>::type, type_list<dummy_c>>::value));
    186   VERIFY((is_same<typename skip<6, tl>::type, type_list<>>::value));
    187 
    188   VERIFY((is_same<typename skip<0, il>::type, numeric_list<int, 0, 1, 2, 3, 4, 5>>::value));
    189   VERIFY((is_same<typename skip<1, il>::type, numeric_list<int, 1, 2, 3, 4, 5>>::value));
    190   VERIFY((is_same<typename skip<2, il>::type, numeric_list<int, 2, 3, 4, 5>>::value));
    191   VERIFY((is_same<typename skip<3, il>::type, numeric_list<int, 3, 4, 5>>::value));
    192   VERIFY((is_same<typename skip<4, il>::type, numeric_list<int, 4, 5>>::value));
    193   VERIFY((is_same<typename skip<5, il>::type, numeric_list<int, 5>>::value));
    194   VERIFY((is_same<typename skip<6, il>::type, numeric_list<int>>::value));
    195 
    196   VERIFY((is_same<typename slice<0, 3, tl>::type, typename take<3, tl>::type>::value));
    197   VERIFY((is_same<typename slice<0, 3, il>::type, typename take<3, il>::type>::value));
    198   VERIFY((is_same<typename slice<1, 3, tl>::type, type_list<dummy_a, dummy_b, dummy_b>>::value));
    199   VERIFY((is_same<typename slice<1, 3, il>::type, numeric_list<int, 1, 2, 3>>::value));
    200 }
    201 
    202 static void test_get()
    203 {
    204   typedef type_list<dummy_a, dummy_a, dummy_b, dummy_b, dummy_c, dummy_c> tl;
    205   typedef numeric_list<int, 4, 8, 15, 16, 23, 42> il;
    206 
    207   VERIFY((is_same<typename get<0, tl>::type, dummy_a>::value));
    208   VERIFY((is_same<typename get<1, tl>::type, dummy_a>::value));
    209   VERIFY((is_same<typename get<2, tl>::type, dummy_b>::value));
    210   VERIFY((is_same<typename get<3, tl>::type, dummy_b>::value));
    211   VERIFY((is_same<typename get<4, tl>::type, dummy_c>::value));
    212   VERIFY((is_same<typename get<5, tl>::type, dummy_c>::value));
    213 
    214   VERIFY_IS_EQUAL(((int)get<0, il>::value), 4);
    215   VERIFY_IS_EQUAL(((int)get<1, il>::value), 8);
    216   VERIFY_IS_EQUAL(((int)get<2, il>::value), 15);
    217   VERIFY_IS_EQUAL(((int)get<3, il>::value), 16);
    218   VERIFY_IS_EQUAL(((int)get<4, il>::value), 23);
    219   VERIFY_IS_EQUAL(((int)get<5, il>::value), 42);
    220 }
    221 
    222 static void test_id_helper(dummy_a a, dummy_a b, dummy_a c)
    223 {
    224   (void)a;
    225   (void)b;
    226   (void)c;
    227 }
    228 
    229 template<int... ii>
    230 static void test_id_numeric()
    231 {
    232   test_id_helper(typename id_numeric<int, ii, dummy_a>::type()...);
    233 }
    234 
    235 template<typename... tt>
    236 static void test_id_type()
    237 {
    238   test_id_helper(typename id_type<tt, dummy_a>::type()...);
    239 }
    240 
    241 static void test_id()
    242 {
    243   // don't call VERIFY here, just assume it works if it compiles
    244   // (otherwise it will complain that it can't find the function)
    245   test_id_numeric<1, 4, 6>();
    246   test_id_type<dummy_a, dummy_b, dummy_c>();
    247 }
    248 
    249 static void test_is_same_gf()
    250 {
    251   VERIFY((!is_same_gf<dummy_a, dummy_b>::value));
    252   VERIFY((!!is_same_gf<dummy_a, dummy_a>::value));
    253   VERIFY_IS_EQUAL((!!is_same_gf<dummy_a, dummy_b>::global_flags), false);
    254   VERIFY_IS_EQUAL((!!is_same_gf<dummy_a, dummy_a>::global_flags), false);
    255 }
    256 
    257 static void test_apply_op()
    258 {
    259   typedef type_list<dummy_a, dummy_b, dummy_c> tl;
    260   VERIFY((!!is_same<typename apply_op_from_left<dummy_op, dummy_a, tl>::type, type_list<dummy_e, dummy_c, dummy_d>>::value));
    261   VERIFY((!!is_same<typename apply_op_from_right<dummy_op, dummy_a, tl>::type, type_list<dummy_e, dummy_d, dummy_b>>::value));
    262 }
    263 
    264 static void test_contained_in_list()
    265 {
    266   typedef type_list<dummy_a, dummy_b, dummy_c> tl;
    267 
    268   VERIFY((!!contained_in_list<is_same, dummy_a, tl>::value));
    269   VERIFY((!!contained_in_list<is_same, dummy_b, tl>::value));
    270   VERIFY((!!contained_in_list<is_same, dummy_c, tl>::value));
    271   VERIFY((!contained_in_list<is_same, dummy_d, tl>::value));
    272   VERIFY((!contained_in_list<is_same, dummy_e, tl>::value));
    273 
    274   VERIFY((!!contained_in_list_gf<dummy_test, dummy_a, tl>::value));
    275   VERIFY((!!contained_in_list_gf<dummy_test, dummy_b, tl>::value));
    276   VERIFY((!!contained_in_list_gf<dummy_test, dummy_c, tl>::value));
    277   VERIFY((!contained_in_list_gf<dummy_test, dummy_d, tl>::value));
    278   VERIFY((!contained_in_list_gf<dummy_test, dummy_e, tl>::value));
    279 
    280   VERIFY_IS_EQUAL(((int)contained_in_list_gf<dummy_test, dummy_a, tl>::global_flags), 1);
    281   VERIFY_IS_EQUAL(((int)contained_in_list_gf<dummy_test, dummy_b, tl>::global_flags), 2);
    282   VERIFY_IS_EQUAL(((int)contained_in_list_gf<dummy_test, dummy_c, tl>::global_flags), 4);
    283   VERIFY_IS_EQUAL(((int)contained_in_list_gf<dummy_test, dummy_d, tl>::global_flags), 0);
    284   VERIFY_IS_EQUAL(((int)contained_in_list_gf<dummy_test, dummy_e, tl>::global_flags), 0);
    285 }
    286 
    287 static void test_arg_reductions()
    288 {
    289   VERIFY_IS_EQUAL(arg_sum(1,2,3,4), 10);
    290   VERIFY_IS_EQUAL(arg_prod(1,2,3,4), 24);
    291   VERIFY_IS_APPROX(arg_sum(0.5, 2, 5), 7.5);
    292   VERIFY_IS_APPROX(arg_prod(0.5, 2, 5), 5.0);
    293 }
    294 
    295 static void test_array_reverse_and_reduce()
    296 {
    297   array<int, 6> a{{4, 8, 15, 16, 23, 42}};
    298   array<int, 6> b{{42, 23, 16, 15, 8, 4}};
    299 
    300   // there is no operator<< for std::array, so VERIFY_IS_EQUAL will
    301   // not compile
    302   VERIFY((array_reverse(a) == b));
    303   VERIFY((array_reverse(b) == a));
    304   VERIFY_IS_EQUAL((array_sum(a)), 108);
    305   VERIFY_IS_EQUAL((array_sum(b)), 108);
    306   VERIFY_IS_EQUAL((array_prod(a)), 7418880);
    307   VERIFY_IS_EQUAL((array_prod(b)), 7418880);
    308 }
    309 
    310 static void test_array_zip_and_apply()
    311 {
    312   array<int, 6> a{{4, 8, 15, 16, 23, 42}};
    313   array<int, 6> b{{0, 1, 2, 3, 4, 5}};
    314   array<int, 6> c{{4, 9, 17, 19, 27, 47}};
    315   array<int, 6> d{{0, 8, 30, 48, 92, 210}};
    316   array<int, 6> e{{0, 2, 4, 6, 8, 10}};
    317 
    318   VERIFY((array_zip<sum_op>(a, b) == c));
    319   VERIFY((array_zip<product_op>(a, b) == d));
    320   VERIFY((array_apply<times2_op>(b) == e));
    321   VERIFY_IS_EQUAL((array_apply_and_reduce<sum_op, times2_op>(a)), 216);
    322   VERIFY_IS_EQUAL((array_apply_and_reduce<sum_op, times2_op>(b)), 30);
    323   VERIFY_IS_EQUAL((array_zip_and_reduce<product_op, sum_op>(a, b)), 14755932);
    324   VERIFY_IS_EQUAL((array_zip_and_reduce<sum_op, product_op>(a, b)), 388);
    325 }
    326 
    327 static void test_array_misc()
    328 {
    329   array<int, 3> a3{{1, 1, 1}};
    330   array<int, 6> a6{{2, 2, 2, 2, 2, 2}};
    331   VERIFY((repeat<3, int>(1) == a3));
    332   VERIFY((repeat<6, int>(2) == a6));
    333 
    334   int data[5] = { 0, 1, 2, 3, 4 };
    335   VERIFY_IS_EQUAL((instantiate_by_c_array<dummy_inst, int, 0>(data).c), 0);
    336   VERIFY_IS_EQUAL((instantiate_by_c_array<dummy_inst, int, 1>(data).c), 1);
    337   VERIFY_IS_EQUAL((instantiate_by_c_array<dummy_inst, int, 2>(data).c), 2);
    338   VERIFY_IS_EQUAL((instantiate_by_c_array<dummy_inst, int, 3>(data).c), 3);
    339   VERIFY_IS_EQUAL((instantiate_by_c_array<dummy_inst, int, 4>(data).c), 4);
    340   VERIFY_IS_EQUAL((instantiate_by_c_array<dummy_inst, int, 5>(data).c), 5);
    341 }
    342 
    343 void test_cxx11_meta()
    344 {
    345   CALL_SUBTEST(test_gen_numeric_list());
    346   CALL_SUBTEST(test_concat());
    347   CALL_SUBTEST(test_slice());
    348   CALL_SUBTEST(test_get());
    349   CALL_SUBTEST(test_id());
    350   CALL_SUBTEST(test_is_same_gf());
    351   CALL_SUBTEST(test_apply_op());
    352   CALL_SUBTEST(test_contained_in_list());
    353   CALL_SUBTEST(test_arg_reductions());
    354   CALL_SUBTEST(test_array_reverse_and_reduce());
    355   CALL_SUBTEST(test_array_zip_and_apply());
    356   CALL_SUBTEST(test_array_misc());
    357 }
    358