31     PetscScalar      s1, s2, s3, s4, x1, x2, x3, x4;  in MatSolve_SeqBAIJ_4_NaturalOrdering_inplace()  local
50       s4 = b[3 + idx];  in MatSolve_SeqBAIJ_4_NaturalOrdering_inplace()
60         s4 -= v[3] * x1 + v[7] * x2 + v[11] * x3 + v[15] * x4;  in MatSolve_SeqBAIJ_4_NaturalOrdering_inplace()
66       x[3 + idx] = s4;  in MatSolve_SeqBAIJ_4_NaturalOrdering_inplace()
78       s4   = x[3 + idt];  in MatSolve_SeqBAIJ_4_NaturalOrdering_inplace()
88         s4 -= v[3] * x1 + v[7] * x2 + v[11] * x3 + v[15] * x4;  in MatSolve_SeqBAIJ_4_NaturalOrdering_inplace()
92       x[idt]     = v[0] * s1 + v[4] * s2 + v[8] * s3 + v[12] * s4;  in MatSolve_SeqBAIJ_4_NaturalOrdering_inplace()
93       x[1 + idt] = v[1] * s1 + v[5] * s2 + v[9] * s3 + v[13] * s4;  in MatSolve_SeqBAIJ_4_NaturalOrdering_inplace()
94       x[2 + idt] = v[2] * s1 + v[6] * s2 + v[10] * s3 + v[14] * s4;  in MatSolve_SeqBAIJ_4_NaturalOrdering_inplace()
95       x[3 + idt] = v[3] * s1 + v[7] * s2 + v[11] * s3 + v[15] * s4;  in MatSolve_SeqBAIJ_4_NaturalOrdering_inplace()
116   PetscScalar        s1, s2, s3, s4, x1, x2, x3, x4;  in MatSolve_SeqBAIJ_4_NaturalOrdering()  local
135     s4  = b[3 + idx];  in MatSolve_SeqBAIJ_4_NaturalOrdering()
145       s4 -= v[3] * x1 + v[7] * x2 + v[11] * x3 + v[15] * x4;  in MatSolve_SeqBAIJ_4_NaturalOrdering()
153     x[3 + idx] = s4;  in MatSolve_SeqBAIJ_4_NaturalOrdering()
165     s4  = x[3 + idt];  in MatSolve_SeqBAIJ_4_NaturalOrdering()
176       s4 -= v[3] * x1 + v[7] * x2 + v[11] * x3 + v[15] * x4;  in MatSolve_SeqBAIJ_4_NaturalOrdering()
181     x[idt]     = v[0] * s1 + v[4] * s2 + v[8] * s3 + v[12] * s4;  in MatSolve_SeqBAIJ_4_NaturalOrdering()
182     x[1 + idt] = v[1] * s1 + v[5] * s2 + v[9] * s3 + v[13] * s4;  in MatSolve_SeqBAIJ_4_NaturalOrdering()
183     x[2 + idt] = v[2] * s1 + v[6] * s2 + v[10] * s3 + v[14] * s4;  in MatSolve_SeqBAIJ_4_NaturalOrdering()
184     x[3 + idt] = v[3] * s1 + v[7] * s2 + v[11] * s3 + v[15] * s4;  in MatSolve_SeqBAIJ_4_NaturalOrdering()