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358 lines
18 KiB
358 lines
18 KiB
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2013 Christian Seiler <christian@iwakd.de>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#include "main.h"
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#include <array>
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#include <Eigen/CXX11/src/util/CXX11Meta.h>
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using Eigen::internal::is_same;
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using Eigen::internal::type_list;
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using Eigen::internal::numeric_list;
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using Eigen::internal::gen_numeric_list;
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using Eigen::internal::gen_numeric_list_reversed;
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using Eigen::internal::gen_numeric_list_swapped_pair;
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using Eigen::internal::gen_numeric_list_repeated;
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using Eigen::internal::concat;
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using Eigen::internal::mconcat;
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using Eigen::internal::take;
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using Eigen::internal::skip;
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using Eigen::internal::slice;
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using Eigen::internal::get;
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using Eigen::internal::id_numeric;
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using Eigen::internal::id_type;
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using Eigen::internal::is_same_gf;
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using Eigen::internal::apply_op_from_left;
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using Eigen::internal::apply_op_from_right;
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using Eigen::internal::contained_in_list;
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using Eigen::internal::contained_in_list_gf;
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using Eigen::internal::arg_prod;
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using Eigen::internal::arg_sum;
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using Eigen::internal::sum_op;
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using Eigen::internal::product_op;
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using Eigen::internal::array_reverse;
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using Eigen::internal::array_sum;
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using Eigen::internal::array_prod;
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using Eigen::internal::array_reduce;
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using Eigen::internal::array_zip;
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using Eigen::internal::array_zip_and_reduce;
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using Eigen::internal::array_apply;
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using Eigen::internal::array_apply_and_reduce;
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using Eigen::internal::repeat;
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using Eigen::internal::instantiate_by_c_array;
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struct dummy_a {};
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struct dummy_b {};
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struct dummy_c {};
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struct dummy_d {};
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struct dummy_e {};
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// dummy operation for testing apply
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template<typename A, typename B> struct dummy_op;
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template<> struct dummy_op<dummy_a, dummy_b> { typedef dummy_c type; };
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template<> struct dummy_op<dummy_b, dummy_a> { typedef dummy_d type; };
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template<> struct dummy_op<dummy_b, dummy_c> { typedef dummy_a type; };
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template<> struct dummy_op<dummy_c, dummy_b> { typedef dummy_d type; };
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template<> struct dummy_op<dummy_c, dummy_a> { typedef dummy_b type; };
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template<> struct dummy_op<dummy_a, dummy_c> { typedef dummy_d type; };
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template<> struct dummy_op<dummy_a, dummy_a> { typedef dummy_e type; };
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template<> struct dummy_op<dummy_b, dummy_b> { typedef dummy_e type; };
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template<> struct dummy_op<dummy_c, dummy_c> { typedef dummy_e type; };
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template<typename A, typename B> struct dummy_test { constexpr static bool value = false; constexpr static int global_flags = 0; };
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template<> struct dummy_test<dummy_a, dummy_a> { constexpr static bool value = true; constexpr static int global_flags = 1; };
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template<> struct dummy_test<dummy_b, dummy_b> { constexpr static bool value = true; constexpr static int global_flags = 2; };
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template<> struct dummy_test<dummy_c, dummy_c> { constexpr static bool value = true; constexpr static int global_flags = 4; };
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struct times2_op { template<typename A> static A run(A v) { return v * 2; } };
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struct dummy_inst
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{
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int c;
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dummy_inst() : c(0) {}
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explicit dummy_inst(int) : c(1) {}
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dummy_inst(int, int) : c(2) {}
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dummy_inst(int, int, int) : c(3) {}
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dummy_inst(int, int, int, int) : c(4) {}
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dummy_inst(int, int, int, int, int) : c(5) {}
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};
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static void test_gen_numeric_list()
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{
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VERIFY((is_same<typename gen_numeric_list<int, 0>::type, numeric_list<int>>::value));
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VERIFY((is_same<typename gen_numeric_list<int, 1>::type, numeric_list<int, 0>>::value));
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VERIFY((is_same<typename gen_numeric_list<int, 2>::type, numeric_list<int, 0, 1>>::value));
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VERIFY((is_same<typename gen_numeric_list<int, 5>::type, numeric_list<int, 0, 1, 2, 3, 4>>::value));
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VERIFY((is_same<typename gen_numeric_list<int, 10>::type, numeric_list<int, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9>>::value));
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VERIFY((is_same<typename gen_numeric_list<int, 0, 42>::type, numeric_list<int>>::value));
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VERIFY((is_same<typename gen_numeric_list<int, 1, 42>::type, numeric_list<int, 42>>::value));
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VERIFY((is_same<typename gen_numeric_list<int, 2, 42>::type, numeric_list<int, 42, 43>>::value));
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VERIFY((is_same<typename gen_numeric_list<int, 5, 42>::type, numeric_list<int, 42, 43, 44, 45, 46>>::value));
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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));
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VERIFY((is_same<typename gen_numeric_list_reversed<int, 0>::type, numeric_list<int>>::value));
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VERIFY((is_same<typename gen_numeric_list_reversed<int, 1>::type, numeric_list<int, 0>>::value));
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VERIFY((is_same<typename gen_numeric_list_reversed<int, 2>::type, numeric_list<int, 1, 0>>::value));
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VERIFY((is_same<typename gen_numeric_list_reversed<int, 5>::type, numeric_list<int, 4, 3, 2, 1, 0>>::value));
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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));
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VERIFY((is_same<typename gen_numeric_list_reversed<int, 0, 42>::type, numeric_list<int>>::value));
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VERIFY((is_same<typename gen_numeric_list_reversed<int, 1, 42>::type, numeric_list<int, 42>>::value));
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VERIFY((is_same<typename gen_numeric_list_reversed<int, 2, 42>::type, numeric_list<int, 43, 42>>::value));
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VERIFY((is_same<typename gen_numeric_list_reversed<int, 5, 42>::type, numeric_list<int, 46, 45, 44, 43, 42>>::value));
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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));
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VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 0, 2, 3>::type, numeric_list<int>>::value));
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VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 1, 2, 3>::type, numeric_list<int, 0>>::value));
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VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 2, 2, 3>::type, numeric_list<int, 0, 1>>::value));
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VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 5, 2, 3>::type, numeric_list<int, 0, 1, 3, 2, 4>>::value));
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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));
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VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 0, 44, 45, 42>::type, numeric_list<int>>::value));
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VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 1, 44, 45, 42>::type, numeric_list<int, 42>>::value));
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VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 2, 44, 45, 42>::type, numeric_list<int, 42, 43>>::value));
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VERIFY((is_same<typename gen_numeric_list_swapped_pair<int, 5, 44, 45, 42>::type, numeric_list<int, 42, 43, 45, 44, 46>>::value));
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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));
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VERIFY((is_same<typename gen_numeric_list_repeated<int, 0, 0>::type, numeric_list<int>>::value));
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VERIFY((is_same<typename gen_numeric_list_repeated<int, 1, 0>::type, numeric_list<int, 0>>::value));
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VERIFY((is_same<typename gen_numeric_list_repeated<int, 2, 0>::type, numeric_list<int, 0, 0>>::value));
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VERIFY((is_same<typename gen_numeric_list_repeated<int, 5, 0>::type, numeric_list<int, 0, 0, 0, 0, 0>>::value));
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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));
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}
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static void test_concat()
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{
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VERIFY((is_same<typename concat<type_list<dummy_a, dummy_a>, type_list<>>::type, type_list<dummy_a, dummy_a>>::value));
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VERIFY((is_same<typename concat<type_list<>, type_list<dummy_a, dummy_a>>::type, type_list<dummy_a, dummy_a>>::value));
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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));
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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));
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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));
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VERIFY((is_same<typename concat<numeric_list<int, 0, 0>, numeric_list<int>>::type, numeric_list<int, 0, 0>>::value));
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VERIFY((is_same<typename concat<numeric_list<int>, numeric_list<int, 0, 0>>::type, numeric_list<int, 0, 0>>::value));
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VERIFY((is_same<typename concat<numeric_list<int, 0, 0>, numeric_list<int, 0, 0>>::type, numeric_list<int, 0, 0, 0, 0>>::value));
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VERIFY((is_same<typename concat<numeric_list<int, 0, 0>, numeric_list<int, 1, 2>>::type, numeric_list<int, 0, 0, 1, 2>>::value));
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VERIFY((is_same<typename concat<numeric_list<int, 0>, numeric_list<int, 1, 2>>::type, numeric_list<int, 0, 1, 2>>::value));
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VERIFY((is_same<typename mconcat<type_list<dummy_a>>::type, type_list<dummy_a>>::value));
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VERIFY((is_same<typename mconcat<type_list<dummy_a>, type_list<dummy_b>>::type, type_list<dummy_a, dummy_b>>::value));
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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));
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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));
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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));
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VERIFY((is_same<typename mconcat<numeric_list<int, 0>>::type, numeric_list<int, 0>>::value));
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VERIFY((is_same<typename mconcat<numeric_list<int, 0>, numeric_list<int, 1>>::type, numeric_list<int, 0, 1>>::value));
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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));
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VERIFY((is_same<typename mconcat<numeric_list<int, 0>, numeric_list<int, 1, 2>>::type, numeric_list<int, 0, 1, 2>>::value));
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VERIFY((is_same<typename mconcat<numeric_list<int, 0, 1>, numeric_list<int, 2>>::type, numeric_list<int, 0, 1, 2>>::value));
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}
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static void test_slice()
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{
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typedef type_list<dummy_a, dummy_a, dummy_b, dummy_b, dummy_c, dummy_c> tl;
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typedef numeric_list<int, 0, 1, 2, 3, 4, 5> il;
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VERIFY((is_same<typename take<0, tl>::type, type_list<>>::value));
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VERIFY((is_same<typename take<1, tl>::type, type_list<dummy_a>>::value));
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VERIFY((is_same<typename take<2, tl>::type, type_list<dummy_a, dummy_a>>::value));
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VERIFY((is_same<typename take<3, tl>::type, type_list<dummy_a, dummy_a, dummy_b>>::value));
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VERIFY((is_same<typename take<4, tl>::type, type_list<dummy_a, dummy_a, dummy_b, dummy_b>>::value));
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VERIFY((is_same<typename take<5, tl>::type, type_list<dummy_a, dummy_a, dummy_b, dummy_b, dummy_c>>::value));
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VERIFY((is_same<typename take<6, tl>::type, type_list<dummy_a, dummy_a, dummy_b, dummy_b, dummy_c, dummy_c>>::value));
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VERIFY((is_same<typename take<0, il>::type, numeric_list<int>>::value));
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VERIFY((is_same<typename take<1, il>::type, numeric_list<int, 0>>::value));
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VERIFY((is_same<typename take<2, il>::type, numeric_list<int, 0, 1>>::value));
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VERIFY((is_same<typename take<3, il>::type, numeric_list<int, 0, 1, 2>>::value));
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VERIFY((is_same<typename take<4, il>::type, numeric_list<int, 0, 1, 2, 3>>::value));
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VERIFY((is_same<typename take<5, il>::type, numeric_list<int, 0, 1, 2, 3, 4>>::value));
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VERIFY((is_same<typename take<6, il>::type, numeric_list<int, 0, 1, 2, 3, 4, 5>>::value));
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VERIFY((is_same<typename skip<0, tl>::type, type_list<dummy_a, dummy_a, dummy_b, dummy_b, dummy_c, dummy_c>>::value));
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VERIFY((is_same<typename skip<1, tl>::type, type_list<dummy_a, dummy_b, dummy_b, dummy_c, dummy_c>>::value));
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VERIFY((is_same<typename skip<2, tl>::type, type_list<dummy_b, dummy_b, dummy_c, dummy_c>>::value));
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VERIFY((is_same<typename skip<3, tl>::type, type_list<dummy_b, dummy_c, dummy_c>>::value));
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VERIFY((is_same<typename skip<4, tl>::type, type_list<dummy_c, dummy_c>>::value));
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VERIFY((is_same<typename skip<5, tl>::type, type_list<dummy_c>>::value));
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VERIFY((is_same<typename skip<6, tl>::type, type_list<>>::value));
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VERIFY((is_same<typename skip<0, il>::type, numeric_list<int, 0, 1, 2, 3, 4, 5>>::value));
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VERIFY((is_same<typename skip<1, il>::type, numeric_list<int, 1, 2, 3, 4, 5>>::value));
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VERIFY((is_same<typename skip<2, il>::type, numeric_list<int, 2, 3, 4, 5>>::value));
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VERIFY((is_same<typename skip<3, il>::type, numeric_list<int, 3, 4, 5>>::value));
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VERIFY((is_same<typename skip<4, il>::type, numeric_list<int, 4, 5>>::value));
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VERIFY((is_same<typename skip<5, il>::type, numeric_list<int, 5>>::value));
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VERIFY((is_same<typename skip<6, il>::type, numeric_list<int>>::value));
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VERIFY((is_same<typename slice<0, 3, tl>::type, typename take<3, tl>::type>::value));
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VERIFY((is_same<typename slice<0, 3, il>::type, typename take<3, il>::type>::value));
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VERIFY((is_same<typename slice<1, 3, tl>::type, type_list<dummy_a, dummy_b, dummy_b>>::value));
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VERIFY((is_same<typename slice<1, 3, il>::type, numeric_list<int, 1, 2, 3>>::value));
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}
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static void test_get()
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{
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typedef type_list<dummy_a, dummy_a, dummy_b, dummy_b, dummy_c, dummy_c> tl;
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typedef numeric_list<int, 4, 8, 15, 16, 23, 42> il;
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VERIFY((is_same<typename get<0, tl>::type, dummy_a>::value));
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VERIFY((is_same<typename get<1, tl>::type, dummy_a>::value));
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VERIFY((is_same<typename get<2, tl>::type, dummy_b>::value));
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VERIFY((is_same<typename get<3, tl>::type, dummy_b>::value));
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VERIFY((is_same<typename get<4, tl>::type, dummy_c>::value));
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VERIFY((is_same<typename get<5, tl>::type, dummy_c>::value));
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VERIFY_IS_EQUAL(((int)get<0, il>::value), 4);
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VERIFY_IS_EQUAL(((int)get<1, il>::value), 8);
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VERIFY_IS_EQUAL(((int)get<2, il>::value), 15);
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VERIFY_IS_EQUAL(((int)get<3, il>::value), 16);
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VERIFY_IS_EQUAL(((int)get<4, il>::value), 23);
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VERIFY_IS_EQUAL(((int)get<5, il>::value), 42);
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}
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static void test_id_helper(dummy_a a, dummy_a b, dummy_a c)
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{
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(void)a;
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(void)b;
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(void)c;
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}
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template<int... ii>
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static void test_id_numeric()
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{
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test_id_helper(typename id_numeric<int, ii, dummy_a>::type()...);
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}
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template<typename... tt>
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static void test_id_type()
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{
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test_id_helper(typename id_type<tt, dummy_a>::type()...);
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}
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static void test_id()
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{
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// don't call VERIFY here, just assume it works if it compiles
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// (otherwise it will complain that it can't find the function)
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test_id_numeric<1, 4, 6>();
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test_id_type<dummy_a, dummy_b, dummy_c>();
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}
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static void test_is_same_gf()
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{
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VERIFY((!is_same_gf<dummy_a, dummy_b>::value));
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VERIFY((!!is_same_gf<dummy_a, dummy_a>::value));
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VERIFY_IS_EQUAL((!!is_same_gf<dummy_a, dummy_b>::global_flags), false);
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VERIFY_IS_EQUAL((!!is_same_gf<dummy_a, dummy_a>::global_flags), false);
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}
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static void test_apply_op()
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{
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typedef type_list<dummy_a, dummy_b, dummy_c> tl;
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VERIFY((!!is_same<typename apply_op_from_left<dummy_op, dummy_a, tl>::type, type_list<dummy_e, dummy_c, dummy_d>>::value));
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VERIFY((!!is_same<typename apply_op_from_right<dummy_op, dummy_a, tl>::type, type_list<dummy_e, dummy_d, dummy_b>>::value));
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}
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static void test_contained_in_list()
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{
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typedef type_list<dummy_a, dummy_b, dummy_c> tl;
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VERIFY((!!contained_in_list<is_same, dummy_a, tl>::value));
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VERIFY((!!contained_in_list<is_same, dummy_b, tl>::value));
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VERIFY((!!contained_in_list<is_same, dummy_c, tl>::value));
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VERIFY((!contained_in_list<is_same, dummy_d, tl>::value));
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VERIFY((!contained_in_list<is_same, dummy_e, tl>::value));
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VERIFY((!!contained_in_list_gf<dummy_test, dummy_a, tl>::value));
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VERIFY((!!contained_in_list_gf<dummy_test, dummy_b, tl>::value));
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VERIFY((!!contained_in_list_gf<dummy_test, dummy_c, tl>::value));
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VERIFY((!contained_in_list_gf<dummy_test, dummy_d, tl>::value));
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VERIFY((!contained_in_list_gf<dummy_test, dummy_e, tl>::value));
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VERIFY_IS_EQUAL(((int)contained_in_list_gf<dummy_test, dummy_a, tl>::global_flags), 1);
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VERIFY_IS_EQUAL(((int)contained_in_list_gf<dummy_test, dummy_b, tl>::global_flags), 2);
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VERIFY_IS_EQUAL(((int)contained_in_list_gf<dummy_test, dummy_c, tl>::global_flags), 4);
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VERIFY_IS_EQUAL(((int)contained_in_list_gf<dummy_test, dummy_d, tl>::global_flags), 0);
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VERIFY_IS_EQUAL(((int)contained_in_list_gf<dummy_test, dummy_e, tl>::global_flags), 0);
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}
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static void test_arg_reductions()
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{
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VERIFY_IS_EQUAL(arg_sum(1,2,3,4), 10);
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VERIFY_IS_EQUAL(arg_prod(1,2,3,4), 24);
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VERIFY_IS_APPROX(arg_sum(0.5, 2, 5), 7.5);
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VERIFY_IS_APPROX(arg_prod(0.5, 2, 5), 5.0);
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}
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static void test_array_reverse_and_reduce()
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{
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array<int, 6> a{{4, 8, 15, 16, 23, 42}};
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array<int, 6> b{{42, 23, 16, 15, 8, 4}};
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// there is no operator<< for std::array, so VERIFY_IS_EQUAL will
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// not compile
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VERIFY((array_reverse(a) == b));
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VERIFY((array_reverse(b) == a));
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VERIFY_IS_EQUAL((array_sum(a)), 108);
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VERIFY_IS_EQUAL((array_sum(b)), 108);
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VERIFY_IS_EQUAL((array_prod(a)), 7418880);
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VERIFY_IS_EQUAL((array_prod(b)), 7418880);
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}
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|
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static void test_array_zip_and_apply()
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{
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array<int, 6> a{{4, 8, 15, 16, 23, 42}};
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array<int, 6> b{{0, 1, 2, 3, 4, 5}};
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array<int, 6> c{{4, 9, 17, 19, 27, 47}};
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array<int, 6> d{{0, 8, 30, 48, 92, 210}};
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array<int, 6> e{{0, 2, 4, 6, 8, 10}};
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|
|
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VERIFY((array_zip<sum_op>(a, b) == c));
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VERIFY((array_zip<product_op>(a, b) == d));
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VERIFY((array_apply<times2_op>(b) == e));
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VERIFY_IS_EQUAL((array_apply_and_reduce<sum_op, times2_op>(a)), 216);
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VERIFY_IS_EQUAL((array_apply_and_reduce<sum_op, times2_op>(b)), 30);
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VERIFY_IS_EQUAL((array_zip_and_reduce<product_op, sum_op>(a, b)), 14755932);
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VERIFY_IS_EQUAL((array_zip_and_reduce<sum_op, product_op>(a, b)), 388);
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|
}
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|
|
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static void test_array_misc()
|
|
{
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|
array<int, 3> a3{{1, 1, 1}};
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array<int, 6> a6{{2, 2, 2, 2, 2, 2}};
|
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VERIFY((repeat<3, int>(1) == a3));
|
|
VERIFY((repeat<6, int>(2) == a6));
|
|
|
|
int data[5] = { 0, 1, 2, 3, 4 };
|
|
VERIFY_IS_EQUAL((instantiate_by_c_array<dummy_inst, int, 0>(data).c), 0);
|
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VERIFY_IS_EQUAL((instantiate_by_c_array<dummy_inst, int, 1>(data).c), 1);
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VERIFY_IS_EQUAL((instantiate_by_c_array<dummy_inst, int, 2>(data).c), 2);
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|
VERIFY_IS_EQUAL((instantiate_by_c_array<dummy_inst, int, 3>(data).c), 3);
|
|
VERIFY_IS_EQUAL((instantiate_by_c_array<dummy_inst, int, 4>(data).c), 4);
|
|
VERIFY_IS_EQUAL((instantiate_by_c_array<dummy_inst, int, 5>(data).c), 5);
|
|
}
|
|
|
|
void test_cxx11_meta()
|
|
{
|
|
CALL_SUBTEST(test_gen_numeric_list());
|
|
CALL_SUBTEST(test_concat());
|
|
CALL_SUBTEST(test_slice());
|
|
CALL_SUBTEST(test_get());
|
|
CALL_SUBTEST(test_id());
|
|
CALL_SUBTEST(test_is_same_gf());
|
|
CALL_SUBTEST(test_apply_op());
|
|
CALL_SUBTEST(test_contained_in_list());
|
|
CALL_SUBTEST(test_arg_reductions());
|
|
CALL_SUBTEST(test_array_reverse_and_reduce());
|
|
CALL_SUBTEST(test_array_zip_and_apply());
|
|
CALL_SUBTEST(test_array_misc());
|
|
}
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