Searched refs:dpsi0 (Results 1 – 1 of 1) sorted by relevance
36 …const PetscReal r = x * x + y * y, r0 = 0.9, psi0 = PetscSqrtReal(1.0 - r0 * r0), dpsi0 = -r0 / ps… in psi() local40 return psi0 + dpsi0 * (r - r0); in psi()