Searched defs:_n_SymBroydenRescale (Results 1 – 1 of 1) sorted by relevance
| /petsc/src/ksp/ksp/utils/lmvm/rescale/ |
| H A D | symbrdnrescale.h | 9 struct _n_SymBroydenRescale { struct
10 PetscInt k;
11 Vec invDnew, BFGS, DFP, U, V, W; /* work vectors for diagonal scaling */
12 …scReal *yty, *sts, *yts; /* scalar arrays for recycling dot products */
13 … theta, rho, alpha, beta; /* convex combination factors for the scalar or diagonal scaling */
14 PetscReal delta, delta_min, delta_max, sigma, tol;
15 PetscInt sigma_hist; /* length of update history to be used for scaling */
16 PetscBool allocated;
17 PetscBool initialized;
18 PetscBool forward;
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