Revision 1654 trunk/src/sparse/hs.h

hs.h (revision 1654)
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 * $Id$
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 *
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 * Author: David Fournier
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 * Copyright (c) 2008-2012 Regents of the University of California 
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 * 
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 * Copyright (c) 2008-2012 Regents of the University of California
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 *
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 * ADModelbuilder and associated libraries and documentations are
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 * provided under the general terms of the "BSD" license.
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 * 
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 *
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 * License:
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 * 
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are
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 * met:
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 * 
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 *
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 * 1. Redistributions of source code must retain the above copyright
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 * notice, this list of conditions and the following disclaimer.
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 * 
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 *
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 * 2.  Redistributions in binary form must reproduce the above copyright
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 * notice, this list of conditions and the following disclaimer in the
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 * documentation and/or other materials provided with the distribution.
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 * 
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 *
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 * 3.  Neither the name of the  University of California, Otter Research,
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 * nor the ADMB Foundation nor the names of its contributors may be used
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 * to endorse or promote products derived from this software without
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 * specific prior written permission.
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 * 
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 *
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 */
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#if !defined(__HS_H__)
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#define  __HS_H__ 
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extern "C" 
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#define  __HS_H__
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extern "C"
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{
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  #include "cs.h"
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}
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class dcompressed_triplet;
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class dvar_compressed_triplet;
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 //class hs_symbolic    	// Info for symbolic cholesky
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 //class hs_symbolic    // Info for symbolic cholesky
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 //{
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 //    public:
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 //
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 //    int n ;     	// Dimension of underlying pos. def. matrix
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 //    ivector pinv ;     	// inverse row perm. for QR, fill red. perm for Chol 
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 //    ivector parent ;   	// elimination tree for Cholesky and QR 
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 //    ivector cp ;       	// column pointers for Cholesky, row counts for QR 
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 //    double lnz ;    	// # entries in L for LU or Cholesky; in V for QR 
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 //    int n ;     // Dimension of underlying pos. def. matrix
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 //    ivector pinv ;     // inverse row perm. for QR, fill red. perm for Chol
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 //    ivector parent ;   // elimination tree for Cholesky and QR
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 //    ivector cp ;       // column pointers for Cholesky, row counts for QR
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 //    double lnz ;    // # entries in L for LU or Cholesky; in V for QR
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 //
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 //    hs_symbolic(int, XCONST css *); 
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 //    hs_symbolic(int, XCONST css *);
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 //    hs_symbolic(int n, XCONST dmatrix &T, int order);
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 //    hs_symbolic(XCONST dcompressed_triplet &T, int order);
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 //    hs_symbolic(XCONST dvar_compressed_triplet &T, int order);
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 //    int is_null(); 
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 //    int is_null();
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 //    int cmp(hs_symbolic &S);
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 //    hs_symbolic(void);
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 //};
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class hs_smatrix    	// matrix in compressed-column, 0 offset
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class hs_smatrix    // matrix in compressed-column, 0 offset
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{
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    public:
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    int nzmax ;     	// maximum number of entries; in practice nzmax= # non-zero
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    int m ;         	// number of rows 
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    int n ;         	// number of columns; m=n for symmetric matrix 
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    ivector p ;        	// column pointers (size n+1) or col indices; size nzmax 
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    ivector i ;        	// row indices, size nzmax 
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    dvector x ;     	// numerical values, size nzmax 
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    int nzmax ;     // maximum number of entries; in practice nzmax= # non-zero
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    int m ;         // number of rows
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    int n ;         // number of columns; m=n for symmetric matrix
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    ivector p ;        // column pointers (size n+1) or col indices; size nzmax
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    ivector i ;        // row indices, size nzmax
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    dvector x ;     // numerical values, size nzmax
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    hs_symbolic sym;
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