/* -------------------------------------------------------------------------- */
  /* 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 double UMF_symbolic_usage
  (
      Int n_row,
      Int n_col,
      Int nchains,
      Int nfr,
      Int esize,
      Int prefer_diagonal
  ) ;