Lines Matching refs:PetscReal
20 PetscReal alpha; /* convex ratio in the scalar scaling */
21 PetscReal hz_theta;
22 PetscReal xi; /* Parameter for KD, DK, and HZ methods. */
23 PetscReal theta; /* The convex combination parameter in the SSML_Broyden method. */
24 …PetscReal zeta; /* Another parameter, exclusive to Kou-Dai, modifying the y_k scalar contribution…
25 PetscReal hz_eta, dk_eta;
26 …PetscReal bfgs_scale, dfp_scale; /* Scaling of the bfgs/dfp tau parameter in the bfgs and broyden …
27 PetscReal tau_bfgs, tau_dfp;
28 PetscReal as_step, as_tol, yts, yty, sts;
29 PetscReal f, delta_min, delta_max;
30 PetscReal epsilon; /* Machine precision unless changed by user */
31 PetscReal eps_23; /* Two-thirds power of machine precision */
40 PetscReal tol_quad; /* tolerance for Dai-Kou dynamic restart */
53 …NTERN PetscErrorCode TaoBNCGComputeScalarScaling(PetscReal, PetscReal, PetscReal, PetscReal *, Pet…
54 PETSC_INTERN PetscErrorCode TaoBNCGConductIteration(Tao, PetscReal);
55 …RN PetscErrorCode TaoBNCGStepDirectionUpdate(Tao, PetscReal, PetscReal, PetscReal, PetscReal, Pets…
56 PETSC_INTERN PetscErrorCode TaoBNCGComputeDiagScaling(Tao, PetscReal, PetscReal);
57 PETSC_INTERN PetscErrorCode TaoBNCGResetUpdate(Tao, PetscReal);
58 …N PetscErrorCode TaoBNCGCheckDynamicRestart(Tao, PetscReal, PetscReal, PetscReal, PetscBool *, Pet…