Searched refs:ys_sum (Results 1 – 1 of 1) sorted by relevance
177 PetscReal ys_sum = 0; /* No safeguard required */ in SymBroydenRescaleUpdateDiagonal() local219 ys_sum += ldb->yts[i]; // s^T D^(1 - 2*beta) y in SymBroydenRescaleUpdateDiagonal()228 ys_sum += PetscRealPart(ytDs_scalar); // s^T D^(1 - 2*beta) y in SymBroydenRescaleUpdateDiagonal()237 ys_sum += PetscRealPart(ytDs_scalar); // s^T D^(1 - 2*beta) y in SymBroydenRescaleUpdateDiagonal()248 ys_sum += PetscRealPart(ytDs_scalar); // s^T D^(1 - 2*beta) y in SymBroydenRescaleUpdateDiagonal()257 ys_sum = PetscMax(ldb->tol, ys_sum); in SymBroydenRescaleUpdateDiagonal()259 sigma = ss_sum / ys_sum; in SymBroydenRescaleUpdateDiagonal()262 sigma = ys_sum / yy_sum; in SymBroydenRescaleUpdateDiagonal()265 PetscReal b = -(2.0 * ldb->alpha - 1.0) * ys_sum; in SymBroydenRescaleUpdateDiagonal()