i_sub_eval_basis Interface

interface
private pure subroutine i_sub_eval_basis(self, x, values, jmin)

Arguments

Type IntentOptional Attributes Name
class(sll_c_bsplines), intent(in) :: self

B-splines object
real(kind=wp), intent(in) :: x

evaluation point
real(kind=wp), intent(out) :: values(:)
integer, intent(out) :: jmin

index of first non-zero B-spline

Description

Evaluate value at x of all basis functions with support in local cell values[j] = B_j(x) for jmin <= j <= jmin+degree