82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
/* $Id: factory.h 148 2005-04-19 15:12:26Z kamenik $ */
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/* Copyright 2004, Ondra Kamenik */
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#ifndef FACTORY_H
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#define FACTORY_H
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#include "symmetry.h"
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#include "int_sequence.h"
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#include "twod_matrix.h"
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#include "equivalence.h"
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#include "rfs_tensor.h"
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#include "t_container.h"
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class Factory {
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void init(const Symmetry& s, const IntSequence& nvs);
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void init(int dim, int nv);
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void fillMatrix(TwoDMatrix& m) const;
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public:
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double get() const;
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// this can be used with UGSTensor, FGSTensor
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template <class _Ttype>
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_Ttype* make(int r, const Symmetry& s, const IntSequence& nvs)
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{
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_Ttype* res = new _Ttype(r, TensorDimens(s, nvs));
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init(s, nvs);
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fillMatrix(*res);
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return res;
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}
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// this can be used with FFSTensor, UFSTensor, FRTensor, URTensor
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template <class _Ttype>
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_Ttype* make(int r, int nv, int dim)
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{
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_Ttype* res = new _Ttype(r, nv, dim);
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init(dim, nv);
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fillMatrix(*res);
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return res;
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}
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template <class _Ttype, class _Ctype>
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_Ctype* makeCont(int r, const IntSequence& nvs, int maxdim)
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{
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int symnum = nvs.size();
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_Ctype* res = new _Ctype(symnum);
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for (int dim = 1; dim <= maxdim; dim++) {
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if (symnum == 1) {
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// full symmetry
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Symmetry sym(dim);
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_Ttype* t = make<_Ttype>(r, sym, nvs);
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res->insert(t);
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} else {
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// general symmetry
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for (int i = 0; i <= dim; i++) {
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Symmetry sym(i, dim-i);
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_Ttype* t = make<_Ttype>(r, sym, nvs);
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res->insert(t);
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}
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}
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}
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return res;
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}
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template <class _Ttype, class _Ptype>
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_Ptype* makePoly(int r, int nv, int maxdim)
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{
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_Ptype* p = new _Ptype(r, nv);
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for (int d = 1; d <= maxdim; d++) {
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_Ttype* t = make<_Ttype>(r, nv, d);
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p->insert(t);
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}
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return p;
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}
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Vector* makeVector(int n);
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};
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#endif
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// Local Variables:
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// mode:C++
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// End:
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