ddx Subroutine

public subroutine ddx(dst, src)

Computes the first-order derivative in the X-direction.

Arguments

Type IntentOptional Attributes Name
real(kind=real64), intent(out), dimension(nxp,nyp,nzp) :: dst

3D output derivative field (nxp, nyp, nzp).

real(kind=real64), intent(in), dimension(nxp,nyp,nzp) :: src

3D input scalar field (nxp, nyp, nzp).