| /petsc/src/tao/bound/impls/tron/ |
| H A D | tron.c | 73 PetscReal prered, actred, delta, f, f_new, rhok, gdx, xdiff, stepsize; in TaoSolve_TRON() local
100 tron->stepsize = tao->trust; in TaoSolve_TRON()
104 PetscCall(TaoMonitor(tao, tao->niter, tron->f, tron->gnorm, 0.0, tron->stepsize)); in TaoSolve_TRON()
171 stepsize = 1.0; in TaoSolve_TRON()
175 …ply(tao->linesearch, tron->X_New, &f_new, tron->G_New, tao->stepdirection, &stepsize, &ls_reason)); in TaoSolve_TRON()
197 xdiff *= stepsize; in TaoSolve_TRON()
227 PetscCall(TaoMonitor(tao, tao->niter, tron->f, tron->gnorm, 0.0, stepsize)); in TaoSolve_TRON()
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| H A D | tron.h | 18 PetscReal stepsize; member
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| /petsc/src/ts/tutorials/multirate/output/ |
| H A D | ex4_3.out | 4 Maximum allowable stepsize according to CFL 1.57756
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| H A D | ex6_1_alt.out | 4 Maximum allowable stepsize according to CFL 0.0416667
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| H A D | ex4_1.out | 4 Maximum allowable stepsize according to CFL 0.0416667
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| H A D | ex8_2.out | 4 Maximum allowable stepsize according to CFL 0.05
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| H A D | ex8_1.out | 4 Maximum allowable stepsize according to CFL 0.05
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| H A D | ex6_1.out | 4 Maximum allowable stepsize according to CFL 0.0416667
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| /petsc/src/tao/bound/impls/blmvm/ |
| H A D | blmvm.c | 10 PetscReal stepsize = 1.0, delta; in TaoSolve_BLMVM() local
27 PetscCall(TaoMonitor(tao, tao->niter, f, gnorm, 0.0, stepsize)); in TaoSolve_BLMVM()
76 …search, tao->solution, &f, blmP->unprojected_gradient, tao->stepdirection, &stepsize, &ls_status)); in TaoSolve_BLMVM()
96 …search, tao->solution, &f, blmP->unprojected_gradient, tao->stepdirection, &stepsize, &ls_status)); in TaoSolve_BLMVM()
111 PetscCall(TaoMonitor(tao, tao->niter, f, gnorm, 0.0, stepsize)); in TaoSolve_BLMVM()
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| /petsc/src/tao/quadratic/impls/gpcg/ |
| H A D | gpcg.h | 11 PetscReal stepsize; member
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| H A D | gpcg.c | 111 PetscReal actred, f, f_new, gnorm, gdx, stepsize, xtb; in TaoSolve_GPCG() local
190 …tao->linesearch, tao->solution, &f_new, tao->gradient, tao->stepdirection, &stepsize, &ls_status)); in TaoSolve_GPCG()
223 PetscReal f_new, gdx, stepsize; in GPCGGradProjections() local
252 PetscCall(TaoLineSearchApply(tao->linesearch, X, &f_new, G, DX, &stepsize, &lsflag)); in GPCGGradProjections()
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| /petsc/src/ts/trajectory/impls/memory/ |
| H A D | trajmemory.c | 140 PetscReal stepsize; in TurnForward() local
144 PetscCall(TSGetTimeStep(ts, &stepsize)); in TurnForward()
145 PetscCall(TSSetTimeStep(ts, -stepsize)); in TurnForward()
151 PetscReal stepsize; in TurnBackward() local
156 stepsize = ts->ptime_prev - ts->ptime; in TurnBackward()
157 PetscCall(TSSetTimeStep(ts, stepsize)); in TurnBackward()
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| /petsc/src/tao/constrained/impls/ipm/ |
| H A D | ipm.c | 37 PetscScalar stepsize = 1.0; in TaoSolve_IPM() local
184 PetscCall(TaoMonitor(tao, tao->niter, ipmP->kkt_f, ipmP->phi, 0.0, stepsize)); in TaoSolve_IPM()
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| /petsc/src/tao/bound/impls/bncg/ |
| H A D | bncg.c | 413 PetscErrorCode TaoBNCGCheckDynamicRestart(Tao tao, PetscReal stepsize, PetscReal gd, PetscReal gd_o… in TaoBNCGCheckDynamicRestart() argument
423 quadinterp = 2.0 * (cg->f - fold) / (stepsize * (gd + gd_old)); in TaoBNCGCheckDynamicRestart()
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| /petsc/doc/ |
| H A D | petsc.bib | 55 …title = {Generalized {R}unge--{K}utta methods of order four with stepsize control for sti…
11465 applications in the design of robust stepsize and order changing strategies for
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