/*************************************************************************
matrix.h

Author: Gianfranco Ciardo
 
Updates:
15 April 1997 (released)
*************************************************************************/

typedef struct {        /* stores a matrix in sparse columnwise format */
   int    n;            /* number of states */
   int    *pointers;    /* (n+1) column pointers */
   int    *indices;     /* row indices */
   float  *values;      /* nonzero values */
} sparse;