111   PetscReal                    actred, f, f_new, gnorm, gdx, stepsize, xtb;  in TaoSolve_GPCG()  local
189       f_new = f;  in TaoSolve_GPCG()
190 …PetscCall(TaoLineSearchApply(tao->linesearch, tao->solution, &f_new, tao->gradient, tao->stepdirec…  in TaoSolve_GPCG()
192       actred = f_new - f;  in TaoSolve_GPCG()
197       f = f_new;  in TaoSolve_GPCG()
223   PetscReal                    f_new, gdx, stepsize;  in GPCGGradProjections()  local
251     f_new = gpcg->f;  in GPCGGradProjections()
252     PetscCall(TaoLineSearchApply(tao->linesearch, X, &f_new, G, DX, &stepsize, &lsflag));  in GPCGGradProjections()
255     actred     = f_new - gpcg->f;  in GPCGGradProjections()
256     actred_max = PetscMax(actred_max, -(f_new - gpcg->f));  in GPCGGradProjections()
257     gpcg->f    = f_new;  in GPCGGradProjections()