Lines Matching refs:vl
245 PetscReal zero = 0.0, vb, vl, vr, vt, dvdx, dvdy, flin = 0.0, fquad = 0.0; in FormFunction() local
276 vl = zero; in FormFunction()
279 if (i > 0 && j < ny) vl = x[k - 1]; in FormFunction()
281 dvdx = (v - vl) / hx; in FormFunction()
284 flin = flin - cdiv3 * (vb + vl + v); in FormFunction()
317 PetscReal vb, vl, vr, vt, dvdx, dvdy; in FormGradient() local
363 vl = zero; in FormGradient()
366 if (i > 0 && j < ny) vl = x[k - 1]; in FormGradient()
368 dvdx = (v - vl) / hx; in FormGradient()
521 PetscReal v, vb, vl, vr, vt, hxhx, hyhy; in HessianProduct() local
572 vl = zero; in HessianProduct()
582 vl = s[k - 1]; in HessianProduct()
584 val = hxhx * (vl - v); in HessianProduct()
589 val = hxhx * (v - vl) + hyhy * (v - vb); in HessianProduct()