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/* -*- mode: C -*-  */
/* 
   IGraph library.
   Copyright (C) 2007  Gabor Csardi <csardi@rmki.kfki.hu>
   MTA RMKI, Konkoly-Thege Miklos st. 29-33, Budapest 1121, Hungary
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc.,  51 Franklin Street, Fifth Floor, Boston, MA 
   02110-1301 USA

*/

typedef struct TYPE(igraph_array3) {
  TYPE(igraph_vector) data;
  long int n1, n2, n3, n1n2;
} TYPE(igraph_array3);

#ifndef IGRAPH_ARRAY3_INIT_FINALLY
#define IGRAPH_ARRAY3_INIT_FINALLY(a, n1, n2, n3) \
  do { IGRAPH_CHECK(igraph_array3_init(a, n1, n2, n3)); \
  IGRAPH_FINALLY(igraph_array3_destroy, a); } while (0)
#endif

#ifndef ARRAY3
#define ARRAY3(m,i,j,k) ((m).data.stor_begin[(m).n1n2*(k)+(m).n1*(j)+(i)])
#endif

int FUNCTION(igraph_array3,init)(TYPE(igraph_array3) *a, long int n1, long int n2, 
				 long int n3);
void FUNCTION(igraph_array3,destroy)(TYPE(igraph_array3) *a);
long int FUNCTION(igraph_array3,size)(const TYPE(igraph_array3) *a);
long int FUNCTION(igraph_array3,n)(const TYPE(igraph_array3) *a, long int idx);
int FUNCTION(igraph_array3,resize)(TYPE(igraph_array3) *a, long int n1, long int n2, 
				   long int n3);
void FUNCTION(igraph_array3,null)(TYPE(igraph_array3) *a);
BASE FUNCTION(igraph_array3,sum)(const TYPE(igraph_array3) *a);
void FUNCTION(igraph_array3,scale)(TYPE(igraph_array3) *a, BASE by);
void FUNCTION(igraph_array3,fill)(TYPE(igraph_array3) *a, BASE e);
int FUNCTION(igraph_array3,update)(TYPE(igraph_array3) *to, 
				   const TYPE(igraph_array3) *from);