CSR_type Derived Type

type, public, extends(sparse_type) :: CSR_type


Components

Type Visibility Attributes Name Initial
integer(kind=ilp), public, allocatable :: col(:)

matrix column pointer
integer(kind=ilp), public :: ncols = 0

number of columns
integer(kind=ilp), public :: nnz = 0

number of non-zero values
integer(kind=ilp), public :: nrows = 0

number of rows
integer(kind=ilp), public, allocatable :: rowptr(:)

matrix row pointer
integer, public :: storage = sparse_full

assumed storage symmetry

Type-Bound Procedures

procedure, public :: malloc => malloc_csr

  • private subroutine malloc_csr(self, num_rows, num_cols, nnz)

    Arguments

    Type IntentOptional Attributes Name
    class(CSR_type) :: self
    integer(kind=ilp), intent(in) :: num_rows

    number of rows
    integer(kind=ilp), intent(in) :: num_cols

    number of columns
    integer(kind=ilp), intent(in) :: nnz

    number of non zeros