201   Vec         ymBs;  in BroydenUpdate_Explicit()  local
205   PetscCall(VecDuplicate(y, &ymBs));  in BroydenUpdate_Explicit()
206   PetscCall(MatMult(B, s, ymBs));  in BroydenUpdate_Explicit()
207   PetscCall(VecAYPX(ymBs, -1.0, y));  in BroydenUpdate_Explicit()
208   PetscCall(RankOneAXPY(B, 1.0 / sts, ymBs, s));  in BroydenUpdate_Explicit()
209   PetscCall(VecDestroy(&ymBs));  in BroydenUpdate_Explicit()
216   Vec         Bty, ymBs;  in BadBroydenUpdate_Explicit()  local
219   PetscCall(VecDuplicate(y, &ymBs));  in BadBroydenUpdate_Explicit()
221   PetscCall(MatMult(B, s, ymBs));  in BadBroydenUpdate_Explicit()
222   PetscCall(VecDot(ymBs, y, &ytBs));  in BadBroydenUpdate_Explicit()
223   PetscCall(VecAYPX(ymBs, -1.0, y));  in BadBroydenUpdate_Explicit()
225   PetscCall(RankOneAXPY(B, 1.0 / ytBs, ymBs, Bty));  in BadBroydenUpdate_Explicit()
227   PetscCall(VecDestroy(&ymBs));  in BadBroydenUpdate_Explicit()
266   Vec         Bty, ymBs;  in SR1Update_Explicit()  local
269   PetscCall(VecDuplicate(y, &ymBs));  in SR1Update_Explicit()
271   PetscCall(MatMult(B, s, ymBs));  in SR1Update_Explicit()
272   PetscCall(VecAYPX(ymBs, -1.0, y));  in SR1Update_Explicit()
273   PetscCall(VecDot(s, ymBs, &ymBsts));  in SR1Update_Explicit()
274   PetscCall(RankOneAXPY(B, 1.0 / ymBsts, ymBs, ymBs));  in SR1Update_Explicit()
276   PetscCall(VecDestroy(&ymBs));  in SR1Update_Explicit()