susumu.yata
null+****@clear*****
Tue Dec 16 10:43:07 JST 2014
susumu.yata 2014-11-17 16:25:40 +0900 (Mon, 17 Nov 2014) New Revision: 0db879904e1a62ebc893d88c4400a62d6c5ba3d2 https://github.com/groonga/grnxx/commit/0db879904e1a62ebc893d88c4400a62d6c5ba3d2 Message: Add Vector<Float>. (#109) Modified files: include/grnxx/data_types/vector/float.hpp Modified: include/grnxx/data_types/vector/float.hpp (+68 -1) =================================================================== --- include/grnxx/data_types/vector/float.hpp 2014-11-17 16:11:31 +0900 (4966724) +++ include/grnxx/data_types/vector/float.hpp 2014-11-17 16:25:40 +0900 (796647e) @@ -12,10 +12,77 @@ template <typename T> class Vector; template <> class Vector<Float> { public: - // TODO + Vector() = default; + ~Vector() = default; + + constexpr Vector(const Vector &) = default; + Vector &operator=(const Vector &) = default; + + constexpr Vector(const Float *data, size_t size) + : data_(data), + size_(size) {} + explicit constexpr Vector(NA) : data_(nullptr), size_(NA()) {} + + const Float &operator[](size_t i) const { + return data_[i]; + } + constexpr const Float *data() const { + return data_; + } + constexpr Int size() const { + return size_; + } + + constexpr bool is_empty() const { + return size_.value() == 0; + } + constexpr bool is_na() const { + return size_.is_na(); + } + + // TODO: The behavior of N/A in vector is not fixed yet (#107). + Bool operator==(const Vector &rhs) const { + Bool has_equal_size = (size_ == rhs.size_); + if (has_equal_size.is_true()) { + size_t size = size_.value(); + for (size_t i = 0; i < size; ++i) { + if ((data_[i].value() != rhs.data_[i].value()) && + (!data_[i].is_na() || !rhs.data_[i].is_na())) { + return Bool(false); + } + } + } + return has_equal_size; + } + // TODO: The behavior of N/A in vector is not fixed yet (#107). + Bool operator!=(const Vector &rhs) const { + Bool has_not_equal_size = (size_ != rhs.size_); + if (has_not_equal_size.is_false()) { + size_t size = size_.value(); + for (size_t i = 0; i < size; ++i) { + if ((data_[i].value() != rhs.data_[i].value()) && + (!data_[i].is_na() || !rhs.data_[i].is_na())) { + return Bool(true); + } + } + } + return has_not_equal_size; + } + static constexpr DataType type() { return FLOAT_VECTOR_DATA; } + + static constexpr Vector empty() { + return Vector(nullptr, 0); + } + static constexpr Vector na() { + return Vector(NA()); + } + + private: + const Float *data_; + Int size_; }; using FloatVector = Vector<Float>; -------------- next part -------------- HTML����������������������������...下載
