/* -------------------------------------------------------------------------- */
  /* UMFPACK Copyright (c) Timothy A. Davis, CISE,                              */
  /* Univ. of Florida.  All Rights Reserved.  See ../Doc/License for License.   */
  /* web: http://www.cise.ufl.edu/research/sparse/umfpack                       */
  /* -------------------------------------------------------------------------- */
  
  GLOBAL Int UMF_solve
  (
      Int sys,
      const Int Ap [ ],
      const Int Ai [ ],
      const double Ax [ ],
      double Xx [ ],
      const double Bx [ ],
  #ifdef COMPLEX
      const double Az [ ],
      double Xz [ ],
      const double Bz [ ],
  #endif
      NumericType *Numeric,
      Int irstep,
      double Info [UMFPACK_INFO],
      Int Pattern [ ],
      double SolveWork [ ]
  ) ;