Searched refs:stDs (Results 1 – 1 of 1) sorted by relevance
| /petsc/src/ksp/ksp/utils/lmvm/rescale/ |
| H A D | symbrdnrescale.c | 73 PetscReal stDs; in DiagonalUpdate() local
75 PetscCall(VecDotRealPart(W, s, &stDs)); in DiagonalUpdate()
80 stDs = PetscMax(stDs, ldb->tol); in DiagonalUpdate()
90 PetscCall(VecScale(BFGS, -1.0 / stDs)); in DiagonalUpdate()
108 PetscCall(VecAXPBY(DFP, stDs / yts, -1.0, V)); in DiagonalUpdate()
212 PetscReal ytDinvy, stDs; in SymBroydenRescaleUpdateDiagonal() local
216 PetscCall(VecDotRealPart(ldb->W, s_i, &stDs)); in SymBroydenRescaleUpdateDiagonal()
218 ss_sum += stDs; // ||s||_{D^(2*(1-beta))}^2 in SymBroydenRescaleUpdateDiagonal()
241 PetscReal ytDyr, stDs; in SymBroydenRescaleUpdateDiagonal() local
246 PetscCall(VecDotRealPart(ldb->W, ldb->W, &stDs)); in SymBroydenRescaleUpdateDiagonal()
[all …]
|