Searched refs:del2Fnrm (Results 1 – 1 of 1) sorted by relevance
20 PetscReal delFnrm, delFnrm_old, del2Fnrm; in SNESLineSearchApply_Secant() local138 del2Fnrm = (delFnrm - delFnrm_old) / delLambda; in SNESLineSearchApply_Secant()151 if (del2Fnrm > 0.) lambda_update = lambda - delFnrm / del2Fnrm; in SNESLineSearchApply_Secant()152 else if (del2Fnrm < 0.) lambda_update = lambda + delFnrm / del2Fnrm; in SNESLineSearchApply_Secant()