Lines Matching refs:dvdx
261 PetscReal zero = 0.0, vb, vl, vr, vt, dvdx, dvdy, flin = 0.0, fquad = 0.0; in FormFunction() local
280 dvdx = (vr - v) / hx; in FormFunction()
282 fquad += dvdx * dvdx + dvdy * dvdy; in FormFunction()
297 dvdx = (v - vl) / hx; in FormFunction()
299 fquad = fquad + dvdx * dvdx + dvdy * dvdy; in FormFunction()
333 PetscReal vb, vl, vr, vt, dvdx, dvdy; in FormGradient() local
354 dvdx = (vr - v) / hx; in FormGradient()
358 val = -dvdx / hx - dvdy / hy - cdiv3; in FormGradient()
363 val = dvdx / hx - cdiv3; in FormGradient()
384 dvdx = (v - vl) / hx; in FormGradient()
393 val = -dvdx / hx - cdiv3; in FormGradient()
398 val = dvdx / hx + dvdy / hy - cdiv3; in FormGradient()