1 /* -------------------------------------------------------------------------- */
2 /* UMFPACK Copyright (c) Timothy A. Davis, CISE,                              */
3 /* Univ. of Florida.  All Rights Reserved.  See ../Doc/License for License.   */
4 /* web: http://www.cise.ufl.edu/research/sparse/umfpack                       */
5 /* -------------------------------------------------------------------------- */
6 
7 GLOBAL void UMF_2by2
8 (
9     Int n,
10     const Int Ap [ ],
11     const Int Ai [ ],
12     const double Ax [ ],
13 #ifdef COMPLEX
14     const double Az [ ],
15 #endif
16     double tol,
17     Int scale,
18     Int Cperm1 [ ],
19 #ifndef NDEBUG
20     Int Rperm1 [ ],
21 #endif
22     Int InvRperm [ ],
23     Int n1,
24     Int nempty,
25     Int Degree [ ],
26     Int P [ ],
27     Int *p_nweak,
28     Int *p_nmatched,
29     Int Ri [ ],
30     Int Rp [ ],
31     double Rs [ ],
32     Int Head [ ],
33     Int Next [ ],
34     Int Si [ ],
35     Int Sp [ ]
36 ) ;
37