Searched refs:yy_sum (Results 1 – 1 of 1) sorted by relevance
176 PetscReal yy_sum = 0; /* No safeguard required */ in SymBroydenRescaleUpdateDiagonal() local220 yy_sum += ytDinvy; // ||y||_{D^(-2*beta)}^2 in SymBroydenRescaleUpdateDiagonal()229 yy_sum += ldb->yty[i]; // ||y||_{D^(-2*beta)}^2 in SymBroydenRescaleUpdateDiagonal()238 yy_sum += ytDyr; // ||y||_{D^(-2*beta)}^2 in SymBroydenRescaleUpdateDiagonal()249 yy_sum += ytDyr; // ||y||_{D^(-2*beta)}^2 in SymBroydenRescaleUpdateDiagonal()262 sigma = ys_sum / yy_sum; in SymBroydenRescaleUpdateDiagonal()264 PetscReal a = ldb->alpha * yy_sum; in SymBroydenRescaleUpdateDiagonal()