Searched refs:tauk (Results 1 – 1 of 1) sorted by relevance
492 PetscReal auk, tauk, gfnorm, gfnorm_k, ycnorm, gTBg, objmin = 0.0, beta_k = 1.0; in SNESSolve_NEWTONTR() local635 if (gTBg < 0.0) tauk = 1.0; in SNESSolve_NEWTONTR()636 else tauk = PetscMin(gfnorm * gfnorm * gfnorm_k / (delta * gTBg), 1); in SNESSolve_NEWTONTR()637 auk *= tauk; in SNESSolve_NEWTONTR()642 use_cauchy = (PetscBool)(tauk == 1.0 && has_objective); in SNESSolve_NEWTONTR()