17   PetscReal                    step      = 1.0, f, gnorm, gnorm2, delta, gd, ginner, beta;  in TaoSolve_CG()  local
41     delta = 2.0 * PetscAbsScalar(f) / gnorm2;  in TaoSolve_CG()
42     delta = PetscMax(delta, cgP->delta_min);  in TaoSolve_CG()
43     delta = PetscMin(delta, cgP->delta_max);  in TaoSolve_CG()
45     delta = 2.0 / gnorm2;  in TaoSolve_CG()
46     delta = PetscMax(delta, cgP->delta_min);  in TaoSolve_CG()
47     delta = PetscMin(delta, cgP->delta_max);  in TaoSolve_CG()
68         delta = 2.0 * PetscAbsScalar(f) / gnorm2;  in TaoSolve_CG()
69         delta = PetscMax(delta, cgP->delta_min);  in TaoSolve_CG()
70         delta = PetscMin(delta, cgP->delta_max);  in TaoSolve_CG()
72         delta = 2.0 / gnorm2;  in TaoSolve_CG()
73         delta = PetscMax(delta, cgP->delta_min);  in TaoSolve_CG()
74         delta = PetscMin(delta, cgP->delta_max);  in TaoSolve_CG()
82     PetscCall(TaoLineSearchSetInitialStepLength(tao->linesearch, delta));  in TaoSolve_CG()
95         delta = 2.0 * PetscAbsScalar(f) / gnorm2;  in TaoSolve_CG()
96         delta = PetscMax(delta, cgP->delta_min);  in TaoSolve_CG()
97         delta = PetscMin(delta, cgP->delta_max);  in TaoSolve_CG()
99         delta = 2.0 / gnorm2;  in TaoSolve_CG()
100         delta = PetscMax(delta, cgP->delta_min);  in TaoSolve_CG()
101         delta = PetscMin(delta, cgP->delta_max);  in TaoSolve_CG()
107       PetscCall(TaoLineSearchSetInitialStepLength(tao->linesearch, delta));  in TaoSolve_CG()
117         delta = 1.0;  in TaoSolve_CG()
121         PetscCall(TaoLineSearchSetInitialStepLength(tao->linesearch, delta));  in TaoSolve_CG()
189     delta = 1.0;  in TaoSolve_CG()
190     delta = PetscMax(delta, cgP->delta_min);  in TaoSolve_CG()
191     delta = PetscMin(delta, cgP->delta_max);  in TaoSolve_CG()