| /petsc/src/tao/unconstrained/impls/cg/ |
| H A D | taocg.c | 42 delta = PetscMax(delta, cgP->delta_min); in TaoSolve_CG()
46 delta = PetscMax(delta, cgP->delta_min); in TaoSolve_CG()
69 delta = PetscMax(delta, cgP->delta_min); in TaoSolve_CG()
73 delta = PetscMax(delta, cgP->delta_min); in TaoSolve_CG()
96 delta = PetscMax(delta, cgP->delta_min); in TaoSolve_CG()
100 delta = PetscMax(delta, cgP->delta_min); in TaoSolve_CG()
190 delta = PetscMax(delta, cgP->delta_min); in TaoSolve_CG()
231 …ptionsReal("-tao_cg_delta_min", "minimum delta value", "", cgP->delta_min, &cgP->delta_min, NULL)); in TaoSetFromOptions_CG()
304 cgP->delta_min = 1e-7; in TaoCreate_CG()
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| H A D | taocg.h | 16 PetscReal delta_min; /* Maximum value for scaling */ member
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| /petsc/src/snes/impls/tr/ |
| H A D | tr.c | 13 static PetscErrorCode SNESNewtonTRSetTolerances_TR(SNES snes, PetscReal delta_min, PetscReal delta_… in SNESNewtonTRSetTolerances_TR() argument
18 if (delta_min == PETSC_DETERMINE) delta_min = tr->default_deltam; in SNESNewtonTRSetTolerances_TR()
21 if (delta_min != PETSC_CURRENT) tr->deltam = delta_min; in SNESNewtonTRSetTolerances_TR()
27 static PetscErrorCode SNESNewtonTRGetTolerances_TR(SNES snes, PetscReal *delta_min, PetscReal *delt… in SNESNewtonTRGetTolerances_TR() argument
32 if (delta_min) *delta_min = tr->deltam; in SNESNewtonTRGetTolerances_TR()
938 PetscErrorCode SNESNewtonTRSetTolerances(SNES snes, PetscReal delta_min, PetscReal delta_max, Petsc… in SNESNewtonTRSetTolerances() argument
942 PetscValidLogicalCollectiveReal(snes, delta_min, 2); in SNESNewtonTRSetTolerances()
945 …wtonTRSetTolerances_C", (SNES, PetscReal, PetscReal, PetscReal), (snes, delta_min, delta_max, delt… in SNESNewtonTRSetTolerances()
966 PetscErrorCode SNESNewtonTRGetTolerances(SNES snes, PetscReal *delta_min, PetscReal *delta_max, Pet… in SNESNewtonTRGetTolerances() argument
970 if (delta_min) PetscAssertPointer(delta_min, 2); in SNESNewtonTRGetTolerances()
[all …]
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| /petsc/src/ksp/ksp/utils/lmvm/rescale/ |
| H A D | symbrdnrescale.h | 14 PetscReal delta, delta_min, delta_max, sigma, tol; member
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| H A D | symbrdnrescale.c | 361 ldb->delta = PetscMax(ldb->delta, ldb->delta_min); in SymBroydenRescaleSetDelta()
379 mctx->delta_min = bctx->delta_min; in SymBroydenRescaleCopy()
546 (*ldb)->delta_min = 1e-7; in SymBroydenRescaleCreate()
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| /petsc/src/snes/impls/ntrdc/ |
| H A D | ntrdc.c | 15 static PetscErrorCode SNESNewtonTRSetTolerances_TRDC(SNES snes, PetscReal delta_min, PetscReal delt… in SNESNewtonTRSetTolerances_TRDC() argument
20 if (delta_min == PETSC_DETERMINE) delta_min = 1.e-12; in SNESNewtonTRSetTolerances_TRDC()
23 if (delta_min != PETSC_CURRENT) tr->deltatol = delta_min; in SNESNewtonTRSetTolerances_TRDC()
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| /petsc/src/tao/bound/impls/bncg/ |
| H A D | bncg.h | 29 PetscReal f, delta_min, delta_max; member
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| H A D | bncg.c | 219 …nimum scaling factor used for scaled gradient restarts", "", cg->delta_min, &cg->delta_min, NULL)); in TaoSetFromOptions_BNCG()
371 cg->delta_min = 1e-7; in TaoCreate_BNCG()
402 scaling = PetscMin(cg->delta_max, PetscMax(cg->delta_min, scaling)); in TaoBNCGResetUpdate()
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| /petsc/src/snes/tests/output/ |
| H A D | ex1_2c_snes_tr_qn-same.out | 7 delta_min=1e-12, delta_0=0.2, delta_max=1e+10
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| H A D | ex1_2c_snes_tr_qn-different.out | 7 delta_min=1e-12, delta_0=0.2, delta_max=1e+10
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| /petsc/src/snes/tutorials/output/ |
| H A D | ex2_2.out | 13 delta_min=1e-12, delta_0=0.2, delta_max=1e+10
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| H A D | ex18_3.out | 6 delta_min=1e-12, delta_0=0.2, delta_max=1e+10
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| /petsc/src/binding/petsc4py/src/petsc4py/PETSc/ |
| H A D | SNES.pyx | 326 …def setTRTolerances(self, delta_min: float | None = None, delta_max: float | None = None, delta_0:…
333 delta_min
348 if delta_min is not None: cdmin = asReal(delta_min)
360 delta_min : float
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| /petsc/doc/manual/ |
| H A D | tao.md | 3251 cg->delta_min = 1e-7;
3358 …all(PetscOptionsReal("-tao_cg_delta_min","minimum delta value","",cg->delta_min,&cg->delta_min,0));
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