quad_prog_solver.h

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/* $Id$ $Revision$ */
/* vim:set shiftwidth=4 ts=8: */

/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: See CVS logs. Details at http://www.graphviz.org/
 *************************************************************************/

#ifdef __cplusplus
extern "C" {
#endif

#ifndef _CMAJ_H_
#define _CMAJ_H_

#ifdef DIGCOLA

typedef struct {
        float **A;
        int n;
        int *lev;
        int *iArray1;
        int *iArray2;
        int *iArray3;
        int *iArray4;
        float *fArray1;
        float *fArray2;
        float *fArray3;
        float *fArray4;
        float *A_r;
        int *ordering;
        int *levels;
        int num_levels;
}CMajEnv;

extern CMajEnv* initConstrainedMajorization(float *, int, int*, int*, int);

extern int constrained_majorization_new(CMajEnv*, float*, float**, 
                                        int, int, int, float*, float);

extern int constrained_majorization_new_with_gaps(CMajEnv*, float*, float**, 
                                                  int, int, int,  float*, float);
#ifdef IPSEPCOLA
extern int constrained_majorization_gradient_projection(CMajEnv *e,
        float * b, float ** coords, int ndims, int cur_axis, int max_iterations,
        float * hierarchy_boundaries,float levels_gap);
#endif
extern void deleteCMajEnv(CMajEnv *e);

extern float** unpackMatrix(float * packedMat, int n);

#endif 

#endif /* _CMAJ_H_ */

#ifdef __cplusplus
}
#endif