.. _program_listing_file_src_sparsebase_format_csc.h:

Program Listing for File csc.h
==============================

|exhale_lsh| :ref:`Return to documentation for file <file_src_sparsebase_format_csc.h>` (``src/sparsebase/format/csc.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #include "sparsebase/config.h"
   #include "sparsebase/context/cpu_context.h"
   #include "sparsebase/format/format_order_two.h"
   #include "sparsebase/utils/exception.h"
   #include "sparsebase/utils/utils.h"
   #ifndef SPARSEBASE_PROJECT_CSC_H
   #define SPARSEBASE_PROJECT_CSC_H
   
   namespace sparsebase::format {
   
   
   template <typename IDType, typename NNZType, typename ValueType>
   class CSC : public utils::IdentifiableImplementation<
                   CSC<IDType, NNZType, ValueType>,
                   FormatOrderTwo<IDType, NNZType, ValueType>> {
    public:
     CSC(IDType n, IDType m, NNZType *col_ptr, IDType *col, ValueType *vals,
         Ownership own = kNotOwned, bool ignore_sort = false);
     CSC(const CSC<IDType, NNZType, ValueType> &);
     CSC(CSC<IDType, NNZType, ValueType> &&);
     CSC<IDType, NNZType, ValueType> &operator=(
         const CSC<IDType, NNZType, ValueType> &);
     Format *Clone() const override;
     virtual ~CSC();
     NNZType *get_col_ptr() const;
     IDType *get_row() const;
     ValueType *get_vals() const;
   
     NNZType *release_col_ptr();
     IDType *release_row();
     ValueType *release_vals();
   
     void set_col_ptr(NNZType *, Ownership own = kNotOwned);
     void set_row(IDType *, Ownership own = kNotOwned);
     void set_vals(ValueType *, Ownership own = kNotOwned);
   
     virtual bool ColPtrIsOwned();
     virtual bool RowIsOwned();
     virtual bool ValsIsOwned();
   
    protected:
     std::unique_ptr<NNZType, std::function<void(NNZType *)>> col_ptr_;
     std::unique_ptr<IDType, std::function<void(IDType *)>> row_;
     std::unique_ptr<ValueType, std::function<void(ValueType *)>> vals_;
   };
   
   template <typename IDType, typename NNZType, typename ValueType>
   template <typename ToIDType, typename ToNNZType, typename ToValueType>
   struct format::FormatOrderTwo<IDType, NNZType, ValueType>::TypeConverter<
       CSC, ToIDType, ToNNZType, ToValueType> {
     CSC<ToIDType, ToNNZType, ToValueType> *operator()(
         FormatOrderTwo<IDType, NNZType, ValueType> *source,
         bool is_move_conversion) {
       CSC<IDType, NNZType, ValueType> *csc = source->template As<CSC>();
       auto dims = csc->get_dimensions();
       auto num_nnz = csc->get_num_nnz();
       ToNNZType *new_col_ptr;
       ToIDType *new_row;
       ToValueType *new_vals;
   
       if (!is_move_conversion || !std::is_same_v<NNZType, ToNNZType>) {
         new_col_ptr =
             utils::ConvertArrayType<ToNNZType>(csc->get_col_ptr(), dims[0] + 1);
       } else {
         if constexpr (std::is_same_v<NNZType, ToNNZType>)
           new_col_ptr = csc->release_col_ptr();
       }
   
       if (!is_move_conversion || !std::is_same_v<IDType, ToIDType>) {
         new_row = utils::ConvertArrayType<ToIDType>(csc->get_row(), num_nnz);
       } else {
         if constexpr (std::is_same_v<IDType, ToIDType>)
           new_row = csc->release_row();
       }
       if (!is_move_conversion || !std::is_same_v<ValueType, ToValueType>) {
         new_vals = utils::ConvertArrayType<ToValueType>(csc->get_vals(), num_nnz);
       } else {
         if constexpr (std::is_same_v<ValueType, ToValueType>)
           new_vals = csc->release_vals();
       }
       return new CSC<ToIDType, ToNNZType, ToValueType>(
           dims[0], dims[1], new_col_ptr, new_row, new_vals, kOwned);
     }
   };
   }  // namespace sparsebase::format
   
   #ifdef _HEADER_ONLY
   #include "csc.cc"
   #endif
   #endif  // SPARSEBASE_PROJECT_CSC_H