1 //////////////////////////////////////////////////////////////////////////////
2 //
3 // (C) Copyright Ion Gaztanaga 2015-2016.
4 // Distributed under the Boost Software License, Version 1.0.
5 // (See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt)
7 //
8 // See http://www.boost.org/libs/move for documentation.
9 //
10 //////////////////////////////////////////////////////////////////////////////
11
12 #include <cstdlib> //std::srand
13 #include <iostream> //std::cout
14
15 #include <boost/config.hpp>
16
17 #include <boost/move/unique_ptr.hpp>
18 #include <boost/container/vector.hpp>
19
20 #include "order_type.hpp"
21 #include "random_shuffle.hpp"
22
23 #include <boost/move/algo/adaptive_sort.hpp>
24 #include <boost/move/core.hpp>
25
26 template<class T>
test_random_shuffled(std::size_t const element_count,std::size_t const num_keys,std::size_t const num_iter)27 bool test_random_shuffled(std::size_t const element_count, std::size_t const num_keys, std::size_t const num_iter)
28 {
29 boost::movelib::unique_ptr<T[]> elements(new T[element_count]);
30 boost::movelib::unique_ptr<std::size_t[]> key_reps(new std::size_t[num_keys ? num_keys : element_count]);
31 std::cout << "- - N: " << element_count << ", Keys: " << num_keys << ", It: " << num_iter << " \n";
32
33 //Initialize keys
34 for(std::size_t i=0; i < element_count; ++i){
35 std::size_t key = num_keys ? (i % num_keys) : i;
36 elements[i].key=key;
37 }
38
39 std::srand(0);
40
41 for (std::size_t it = 0; it != num_iter; ++it)
42 {
43 ::random_shuffle(elements.get(), elements.get() + element_count);
44 for(std::size_t i = 0; i < (num_keys ? num_keys : element_count); ++i){
45 key_reps[i]=0;
46 }
47 for(std::size_t i = 0; i < element_count; ++i){
48 elements[i].val = key_reps[elements[i].key]++;
49 }
50
51 boost::movelib::adaptive_sort(elements.get(), elements.get()+element_count, order_type_less());
52
53 if (!is_order_type_ordered(elements.get(), element_count))
54 {
55 std::cout << "\n ERROR\n";
56 throw int(0);
57 }
58 }
59 return true;
60 }
61
instantiate_smalldiff_iterators()62 void instantiate_smalldiff_iterators()
63 {
64 typedef randit<int, short> short_rand_it_t;
65 boost::movelib::adaptive_sort(short_rand_it_t(), short_rand_it_t(), less_int());
66
67 typedef randit<int, signed char> schar_rand_it_t;
68 boost::movelib::adaptive_sort(schar_rand_it_t(), schar_rand_it_t(), less_int());
69 }
70
main()71 int main()
72 {
73 instantiate_smalldiff_iterators();
74
75 const std::size_t NIter = 100;
76 test_random_shuffled<order_move_type>(10001, 3, NIter);
77 test_random_shuffled<order_move_type>(10001, 65, NIter);
78 test_random_shuffled<order_move_type>(10001, 101, NIter);
79 test_random_shuffled<order_move_type>(10001, 1023, NIter);
80 test_random_shuffled<order_move_type>(10001, 4095, NIter);
81 test_random_shuffled<order_move_type>(10001, 0, NIter);
82
83 return 0;
84 }
85