Lines Matching refs:betaold

122   PetscScalar dpi = 0.0, a = 1.0, beta, betaold = 1.0, b = 0, *e = NULL, *d = NULL, dpiold;
227     } else if ((i > 0) && (beta * betaold < 0.0)) {
228       PetscCheck(!ksp->errorifnotconverged, PetscObjectComm((PetscObject)ksp), PETSC_ERR_NOT_CONVERGED, "Diverged due to indefinite preconditioner, beta %g, betaold %g", (double)PetscRealPart(beta), (double)PetscRealPart(betaold));
244       b = beta / betaold;
260     betaold = beta;
276         cg->obj += PetscRealPart(a * (0.5 * a * dpi - betaold));
322     cg->obj -= PetscRealPart(0.5 * a * betaold);
367   PetscScalar dpi = 0.0, a = 1.0, beta, betaold = 1.0, b = 0, *e = NULL, *d = NULL, delta, dpiold, tmp[2];
451     } else if ((i > 0) && (beta * betaold < 0.0)) {
462       b = beta / betaold;
474       PetscCall(VecAYPX(W, beta / betaold, S));                 /*    w <- Ap                           */
475       dpi = delta - beta * beta * dpiold / (betaold * betaold); /*    dpi <- p'w                        */
477     betaold = beta;