Searched refs:ytDinvy (Results 1 – 1 of 1) sorted by relevance
212 PetscReal ytDinvy, stDs; in SymBroydenRescaleUpdateDiagonal() local217 PetscCall(VecDotRealPart(ldb->V, y_i, &ytDinvy)); in SymBroydenRescaleUpdateDiagonal()220 yy_sum += ytDinvy; // ||y||_{D^(-2*beta)}^2 in SymBroydenRescaleUpdateDiagonal()