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// Gmsh - Copyright (C) 1997-2021 C. Geuzaine, J.-F. Remacle
//
// See the LICENSE.txt file for license information. Please report all
// issues on https://gitlab.onelab.info/gmsh/gmsh/issues.
#ifndef SPARSITY_PATTERN_H
#define SPARSITY_PATTERN_H
// this class has been optimized, please before changing anything, check twice :
// - the impact on the performance to assemble typical High Order FE problems
// - the impact on the memory for this operation
class sparsityPattern {
int *_nByRow, *_nAllocByRow;
int **_rowsj;
int _nRows, _nRowsAlloc;
public:
void insertEntry(int i, int j);
const int *getRow(int line, int &size) const;
void clear();
sparsityPattern();
~sparsityPattern();
inline int getNbRows() { return _nRows; }
};
#endif
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