4 * Created on: 31 авг. 2016 г.
8 #ifndef SOURCE_DIRECTORY__TEST_INCLUDE_CDS_TEST_FC_HEAVY_VALUE_H_
9 #define SOURCE_DIRECTORY__TEST_INCLUDE_CDS_TEST_FC_HEAVY_VALUE_H_
18 class has_set_array_size {
20 class big{char dummy[2];};
22 template <typename C, void (C::*) (size_t)> class SFINAE {};
24 template <typename C> static small test( SFINAE<C, &C::set_array> * ) ;
25 template <typename C> static big test(...);
28 static constexpr bool value = sizeof(test<T>(0)) == sizeof(char) ;
31 template<int DefaultSize = 10>
39 static std::vector<int> pop_buff;
40 static size_t buffer_size;
42 explicit heavy_value(int new_value = 0)
48 heavy_value(const heavy_value &other)
51 nWriterNo(other.nWriterNo)
53 for(size_t i = 0; i < buffer_size; ++i)
54 pop_buff[i] = static_cast<int>(std::sqrt(other.pop_buff[i]*rand()));
56 void set_array(size_t new_size) {
57 set_array_size(new_size);
59 static void set_array_size(size_t new_size){
60 if (buffer_size == new_size) return;
61 buffer_size = new_size;
62 pop_buff.resize(buffer_size, rand());
65 template<int DefaultSize>
66 std::vector<int> heavy_value< DefaultSize >::pop_buff(DefaultSize, rand());
67 template<int DefaultSize>
68 std::vector<int>::size_type heavy_value< DefaultSize >::buffer_size = DefaultSize;
70 #endif /* SOURCE_DIRECTORY__TEST_INCLUDE_CDS_TEST_FC_HEVY_VALUE_H_ */