Searched refs:stepmax (Results 1 – 5 of 5) sorted by relevance
| /petsc/src/tao/linesearch/impls/morethuente/ |
| H A D | morethuente.c | 60 ostepmax = ls->stepmax; in TaoLineSearchApply_MT()
76 ls->stepmax = PetscMin(bstepmax, ls->stepmax); in TaoLineSearchApply_MT()
96 width = ls->stepmax - ls->stepmin; in TaoLineSearchApply_MT()
117 ls->stepmax = PetscMax(stx, sty); in TaoLineSearchApply_MT()
120 ls->stepmax = ls->step + xtrapf * (ls->step - stx); in TaoLineSearchApply_MT()
125 ls->step = PetscMin(ls->step, ls->stepmax); in TaoLineSearchApply_MT()
129 …p <= ls->stepmin || ls->step >= ls->stepmax)) || (mt->bracket && (ls->stepmax - ls->stepmin <= ls-… in TaoLineSearchApply_MT()
196 if ((mt->bracket && (ls->step <= ls->stepmin || ls->step >= ls->stepmax)) || !mt->infoc) { in TaoLineSearchApply_MT()
201 if (ls->step == ls->stepmax && *f <= ftest1 && dg <= dgtest) { in TaoLineSearchApply_MT()
202 PetscCall(PetscInfo(ls, "Step is at the upper bound, stepmax (%g)\n", (double)ls->stepmax)); in TaoLineSearchApply_MT()
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| /petsc/src/tao/linesearch/impls/gpcglinesearch/ |
| H A D | gpcglinesearch.c | 94 ls->step = PetscMin(ls->step, ls->stepmax); in TaoLineSearchApply_GPCG()
145 if (ls->step <= ls->stepmin || ls->step >= ls->stepmax) { in TaoLineSearchApply_GPCG()
151 if (ls->step == ls->stepmax) { in TaoLineSearchApply_GPCG()
152 PetscCall(PetscInfo(ls, "Step is at the upper bound, stepmax (%g)\n", (double)ls->stepmax)); in TaoLineSearchApply_GPCG()
166 if (neP->bracket && (ls->stepmax - ls->stepmin <= ls->rtol * ls->stepmax)) { in TaoLineSearchApply_GPCG()
197 ls->stepmax = 1.0e+20; in TaoLineSearchCreate_GPCG()
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| /petsc/src/tao/linesearch/interface/ |
| H A D | taolinesearch.c | 135 ls->stepmax = 1.0e+20; in TaoLineSearchCreate()
330 if (ls->stepmax < ls->stepmin) { in TaoLineSearchApply()
331 … Line Search Parameter: stepmin (%g) > stepmax (%g)\n", (double)ls->stepmin, (double)ls->stepmax)); in TaoLineSearchApply()
399 ls->stepmax = 1.0e+20; in TaoLineSearchSetType()
502 …(PetscOptionsReal("-tao_ls_stepmax", "upper bound for step", "", ls->stepmax, &ls->stepmax, NULL)); in TaoLineSearchSetFromOptions()
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| /petsc/include/petsc/private/ |
| H A D | taolinesearchimpl.h | 63 PetscReal stepmax; /* upper bound for step */ member
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| /petsc/src/vec/vec/utils/ |
| H A D | projection.c | 816 PetscErrorCode VecStepMaxBounded(Vec X, Vec DX, Vec XL, Vec XU, PetscReal *stepmax) in VecStepMaxBounded() argument
844 …PetscCallMPI(MPIU_Allreduce(&localmax, stepmax, 1, MPIU_REAL, MPIU_MAX, PetscObjectComm((PetscObje… in VecStepMaxBounded()
948 PetscReal stepmax = PETSC_INFINITY; in VecStepMax() local
960 if (PetscRealPart(dx[i]) < 0) stepmax = PetscMin(stepmax, PetscRealPart(-xx[i] / dx[i])); in VecStepMax()
964 …PetscCallMPI(MPIU_Allreduce(&stepmax, step, 1, MPIU_REAL, MPIU_MIN, PetscObjectComm((PetscObject)X… in VecStepMax()
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