Init_Scalar2D_t Subroutine

  subroutine Init_Scalar2D_t(this,interp,nVar,nElem)
    implicit none
    class(Scalar2D_t),intent(out) :: this
    type(Lagrange),intent(in),target :: interp
    integer,intent(in) :: nVar
    integer,intent(in) :: nElem

    this%interp => interp
    this%nVar = nVar
    this%nElem = nElem
    this%N = interp%N
    this%M = interp%M

    allocate(this%interior(1:interp%N+1,interp%N+1,nelem,nvar), &
             this%boundary(1:interp%N+1,1:4,1:nelem,1:nvar), &
             this%extBoundary(1:interp%N+1,1:4,1:nelem,1:nvar), &
             this%avgBoundary(1:interp%N+1,1:4,1:nelem,1:nvar), &
             this%boundarynormal(1:interp%N+1,1:4,1:nelem,1:2*nvar))

    this%interior = 0.0_prec
    this%boundary = 0.0_prec
    this%extBoundary = 0.0_prec
    this%avgBoundary = 0.0_prec
    this%boundarynormal = 0.0_prec

    allocate(this%meta(1:nVar))
    allocate(this%eqn(1:nVar))

  endsubroutine Init_Scalar2D_t