Searched refs:gradright (Results 1 – 1 of 1) sorted by relevance
67 PetscScalar gradup, graddown, gradleft, gradright, gradx, grady; in FormFunctionLocal() local82 gradright = (t[j][i + 1] - t[j][i]) / hx; in FormFunctionLocal()92 coeffright = 1.0 / PetscSqrtScalar(1.0 + gradright * gradright + grady * grady); in FormFunctionLocal()94 …f[j][i] = (coeffup * gradup - coeffdown * graddown) * hx + (coeffright * gradright - coeffleft * g… in FormFunctionLocal()