Lines Matching refs:ynorm
63 PetscReal fnorm, xnorm, ynorm, gnorm; in SNESLineSearchApply_BT() local
91 PetscCall(VecNormBegin(Y, NORM_2, &ynorm)); in SNESLineSearchApply_BT()
93 PetscCall(VecNormEnd(Y, NORM_2, &ynorm)); in SNESLineSearchApply_BT()
96 if (ynorm == 0.0) { in SNESLineSearchApply_BT()
104 PetscCall(SNESLineSearchSetNorms(linesearch, xnorm, fnorm, ynorm)); in SNESLineSearchApply_BT()
176 if (stol * xnorm > ynorm) { in SNESLineSearchApply_BT()
178 PetscCall(SNESLineSearchSetNorms(linesearch, xnorm, fnorm, ynorm)); in SNESLineSearchApply_BT()
182 … search: Ended due to ynorm < stol*xnorm (%14.12e < %14.12e).\n", (double)ynorm, (double)(stol * x… in SNESLineSearchApply_BT()
245 …=%18.16e, initial slope=%18.16e\n", (double)fnorm, (double)gnorm, (double)ynorm, (double)minlambda… in SNESLineSearchApply_BT()
247 …, lambda=%18.16e, initial slope=%18.16e\n", (double)f, (double)g, (double)ynorm, (double)minlambda… in SNESLineSearchApply_BT()
277 …=%18.16e, initial slope=%18.16e\n", (double)fnorm, (double)gnorm, (double)ynorm, (double)lambda, (… in SNESLineSearchApply_BT()
338 PetscCall(VecNorm(Y, NORM_2, &ynorm)); in SNESLineSearchApply_BT()
345 PetscCall(SNESLineSearchSetNorms(linesearch, xnorm, gnorm, ynorm)); in SNESLineSearchApply_BT()