| 35 | |
| 36 | template<class T> |
| 37 | class valarray |
| 38 | { |
| 39 | public: |
| 40 | explicit valarray(const context &context = system::default_context()) |
| 41 | : m_buffer(context, 0) |
| 42 | { |
| 43 | } |
| 44 | |
| 45 | explicit valarray(size_t size, |
| 46 | const context &context = system::default_context()) |
| 47 | : m_buffer(context, size * sizeof(T)) |
| 48 | { |
| 49 | } |
| 50 | |
| 51 | valarray(const T &value, |
| 52 | size_t size, |
| 53 | const context &context = system::default_context()) |
| 54 | : m_buffer(context, size * sizeof(T)) |
| 55 | { |
| 56 | fill(begin(), end(), value); |
| 57 | } |
| 58 | |
| 59 | valarray(const T *values, |
| 60 | size_t size, |
| 61 | const context &context = system::default_context()) |
| 62 | : m_buffer(context, size * sizeof(T)) |
| 63 | { |
| 64 | copy(values, values + size, begin()); |
| 65 | } |
| 66 | |
| 67 | valarray(const valarray<T> &other) |
| 68 | : m_buffer(other.m_buffer.get_context(), other.size() * sizeof(T)) |
| 69 | { |
| 70 | } |
| 71 | |
| 72 | valarray(const std::valarray<T> &valarray, |
| 73 | const context &context = system::default_context()) |
| 74 | : m_buffer(context, valarray.size() * sizeof(T)) |
| 75 | { |
| 76 | copy(&valarray[0], &valarray[valarray.size()], begin()); |
| 77 | } |
| 78 | |
| 79 | valarray<T>& operator=(const valarray<T> &other) |
| 80 | { |
| 81 | if(this != &other){ |
| 82 | resize(other.size()); |
| 83 | copy(other.begin(), other.end(), begin()); |
| 84 | } |
| 85 | |
| 86 | return *this; |
| 87 | } |
| 88 | |
| 89 | valarray<T>& operator=(const std::valarray<T> &valarray) |
| 90 | { |
| 91 | resize(valarray.size()); |
| 92 | copy(&valarray[0], &valarray[valarray.size()], begin()); |
| 93 | |
| 94 | return *this; |