17   PetscScalar       *x, s1, s2, x1, x2;  in MatSolve_SeqBAIJ_2_NaturalOrdering_inplace()  local
34     s1 = b[idx];  in MatSolve_SeqBAIJ_2_NaturalOrdering_inplace()
40       s1 -= v[0] * x1 + v[2] * x2;  in MatSolve_SeqBAIJ_2_NaturalOrdering_inplace()
44     x[idx]     = s1;  in MatSolve_SeqBAIJ_2_NaturalOrdering_inplace()
53     s1  = x[idt];  in MatSolve_SeqBAIJ_2_NaturalOrdering_inplace()
59       s1 -= v[0] * x1 + v[2] * x2;  in MatSolve_SeqBAIJ_2_NaturalOrdering_inplace()
64     x[idt]     = v[0] * s1 + v[2] * s2;  in MatSolve_SeqBAIJ_2_NaturalOrdering_inplace()
65     x[1 + idt] = v[1] * s1 + v[3] * s2;  in MatSolve_SeqBAIJ_2_NaturalOrdering_inplace()
80   PetscScalar       *x, s1, s2, x1, x2;  in MatSolve_SeqBAIJ_2_NaturalOrdering()  local
95     s1  = b[idx];  in MatSolve_SeqBAIJ_2_NaturalOrdering()
103       s1 -= v[0] * x1 + v[2] * x2;  in MatSolve_SeqBAIJ_2_NaturalOrdering()
107     x[idx]     = s1;  in MatSolve_SeqBAIJ_2_NaturalOrdering()
117     s1  = x[idt];  in MatSolve_SeqBAIJ_2_NaturalOrdering()
125       s1 -= v[0] * x1 + v[2] * x2;  in MatSolve_SeqBAIJ_2_NaturalOrdering()
130     x[idt]     = v[0] * s1 + v[2] * s2;  in MatSolve_SeqBAIJ_2_NaturalOrdering()
131     x[1 + idt] = v[1] * s1 + v[3] * s2;  in MatSolve_SeqBAIJ_2_NaturalOrdering()
146   PetscScalar       *x, s1, s2, x1, x2;  in MatForwardSolve_SeqBAIJ_2_NaturalOrdering()  local
161     s1  = b[idx];  in MatForwardSolve_SeqBAIJ_2_NaturalOrdering()
169       s1 -= v[0] * x1 + v[2] * x2;  in MatForwardSolve_SeqBAIJ_2_NaturalOrdering()
173     x[idx]     = s1;  in MatForwardSolve_SeqBAIJ_2_NaturalOrdering()
189   PetscScalar       *x, s1, s2, x1, x2;  in MatBackwardSolve_SeqBAIJ_2_NaturalOrdering()  local
202     s1  = b[idt];  in MatBackwardSolve_SeqBAIJ_2_NaturalOrdering()
210       s1 -= v[0] * x1 + v[2] * x2;  in MatBackwardSolve_SeqBAIJ_2_NaturalOrdering()
215     x[idt]     = v[0] * s1 + v[2] * s2;  in MatBackwardSolve_SeqBAIJ_2_NaturalOrdering()
216     x[1 + idt] = v[1] * s1 + v[3] * s2;  in MatBackwardSolve_SeqBAIJ_2_NaturalOrdering()