sparsepattern.h

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/* ------------------------------------------------------------
   This is the file "sparsepattern.h" of the H2Lib package.
   All rights reserved, Steffen Boerm 2012
   ------------------------------------------------------------ */

#ifndef SPARSEPATTERN_H
#define SPARSEPATTERN_H

typedef struct _sparsepattern sparsepattern;

typedef sparsepattern *psparsepattern;

typedef const sparsepattern *pcsparsepattern;

typedef struct _patentry patentry;

typedef patentry *ppatentry;

typedef const patentry *pcpatentry;

#include "settings.h"

struct _sparsepattern {
  uint rows;
  uint cols;

  ppatentry *row;
};

struct _patentry {
  uint row;
  uint col;

  struct _patentry *next;
};

/* ------------------------------------------------------------ *
 * Constructor and destructor                                   *
 * ------------------------------------------------------------ */

HEADER_PREFIX psparsepattern
new_sparsepattern(uint rows, uint cols);

HEADER_PREFIX void
del_sparsepattern(psparsepattern sp);

/* ------------------------------------------------------------ *
 * Setting up the sparsity pattern                              *
 * ------------------------------------------------------------ */

HEADER_PREFIX void
clear_sparsepattern(psparsepattern sp);

HEADER_PREFIX void
addnz_sparsepattern(psparsepattern sp, uint row, uint col);

/* ------------------------------------------------------------ *
 * Simple utility functions                                     *
 * ------------------------------------------------------------ */

HEADER_PREFIX void
print_sparsepattern(pcsparsepattern sp);

#endif