35   PetscCall(VecCopy(tao->gradient, tao->stepdirection));  in TaoSolve_CG()
36   PetscCall(VecScale(tao->stepdirection, -1.0));  in TaoSolve_CG()
64     PetscCall(VecDot(tao->gradient, tao->stepdirection, &gd));  in TaoSolve_CG()
77       PetscCall(VecCopy(tao->gradient, tao->stepdirection));  in TaoSolve_CG()
78       PetscCall(VecScale(tao->stepdirection, -1.0));  in TaoSolve_CG()
83 …neSearchApply(tao->linesearch, tao->solution, &f, tao->gradient, tao->stepdirection, &step, &ls_st…  in TaoSolve_CG()
104       PetscCall(VecCopy(tao->gradient, tao->stepdirection));  in TaoSolve_CG()
105       PetscCall(VecScale(tao->stepdirection, -1.0));  in TaoSolve_CG()
108 …neSearchApply(tao->linesearch, tao->solution, &f, tao->gradient, tao->stepdirection, &step, &ls_st…  in TaoSolve_CG()
118         PetscCall(VecCopy(tao->gradient, tao->stepdirection));  in TaoSolve_CG()
119         PetscCall(VecScale(tao->stepdirection, -1.0));  in TaoSolve_CG()
122 …neSearchApply(tao->linesearch, tao->solution, &f, tao->gradient, tao->stepdirection, &step, &ls_st…  in TaoSolve_CG()
168         PetscCall(VecDot(tao->gradient, tao->stepdirection, &gd));  in TaoSolve_CG()
169         PetscCall(VecDot(cgP->G_old, tao->stepdirection, &gd_old));  in TaoSolve_CG()
174         PetscCall(VecDot(tao->gradient, tao->stepdirection, &gd));  in TaoSolve_CG()
175         PetscCall(VecDot(cgP->G_old, tao->stepdirection, &gd_old));  in TaoSolve_CG()
186     PetscCall(VecAXPBY(tao->stepdirection, -1.0, beta, tao->gradient));  in TaoSolve_CG()
202   if (!tao->stepdirection) PetscCall(VecDuplicate(tao->solution, &tao->stepdirection));  in TaoSetUp_CG()