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Searched refs:yty (Results 1 – 4 of 4) sorted by relevance

/petsc/src/ksp/ksp/utils/lmvm/rescale/
H A Dsymbrdnrescale.c25 for (PetscInt i = 0; i < next - oldest; ++i) signew += ldb->yts[i] / ldb->yty[i]; in SymBroydenRescaleUpdateScalar()
27 for (PetscInt i = 0; i < next - oldest; ++i) signew += ldb->sts[i] / ldb->yty[i]; in SymBroydenRescaleUpdateScalar()
35 a += ldb->yty[i]; in SymBroydenRescaleUpdateScalar()
229 yy_sum += ldb->yty[i]; // ||y||_{D^(-2*beta)}^2 in SymBroydenRescaleUpdateDiagonal()
330 ldb->yty[i - new_oldest] = ldb->yty[i - ldb_oldest]; in SymBroydenRescaleUpdate()
336 PetscScalar yty, sts, yts; in SymBroydenRescaleUpdate() local
338 PetscCall(MatLMVMProductsGetDiagonalValue(B, LMBASIS_Y, LMBASIS_Y, i, &yty)); in SymBroydenRescaleUpdate()
341 ldb->yty[i - new_oldest] = PetscRealPart(yty); in SymBroydenRescaleUpdate()
438 …PetscCall(PetscMalloc3(ldb->sigma_hist, &ldb->yty, ldb->sigma_hist, &ldb->yts, ldb->sigma_hist, &l… in SymBroydenRescaleAllocate()
512 PetscCall(PetscFree3(ldb->yty, ldb->yts, ldb->sts)); in SymBroydenRescaleReset()
H A Dsymbrdnrescale.h12 …PetscReal *yty, *sts, *yts; /* scalar arrays for recycling dot product… member
/petsc/src/tao/bound/impls/bncg/
H A Dbncg.c257 PetscErrorCode TaoBNCGComputeScalarScaling(PetscReal yty, PetscReal yts, PetscReal sts, PetscReal *… in TaoBNCGComputeScalarScaling() argument
263 if (1.0 == alpha) *scale = yts / yty; in TaoBNCGComputeScalarScaling()
267 a = yty; in TaoBNCGComputeScalarScaling()
634 cg->yty = ynorm2; in TaoBNCGStepDirectionUpdate()
677 cg->yty = ynorm2; in TaoBNCGStepDirectionUpdate()
730 cg->yty = ynorm2; in TaoBNCGStepDirectionUpdate()
773 cg->yty = ynorm2; in TaoBNCGStepDirectionUpdate()
777 PetscCall(TaoBNCGComputeScalarScaling(cg->yty, cg->yts, cg->sts, &tau_k, cg->alpha)); in TaoBNCGStepDirectionUpdate()
779 beta = tau_k * (gkp1_yk / dk_yk - cg->yty * gd / (dk_yk * dk_yk)) - step * tmp; in TaoBNCGStepDirectionUpdate()
802 cg->yty = ynorm2; in TaoBNCGStepDirectionUpdate()
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H A Dbncg.h28 PetscReal as_step, as_tol, yts, yty, sts; member