Searched refs:gradx (Results 1 – 1 of 1) sorted by relevance
67 PetscScalar gradup, graddown, gradleft, gradright, gradx, grady; in FormFunctionLocal() local85 gradx = .5 * (t[j][i + 1] - t[j][i - 1]) / hx; in FormFunctionLocal()88 coeffup = 1.0 / PetscSqrtScalar(1.0 + gradup * gradup + gradx * gradx); in FormFunctionLocal()89 coeffdown = 1.0 / PetscSqrtScalar(1.0 + graddown * graddown + gradx * gradx); in FormFunctionLocal()