/usr/include/getfem/getfem_level_set.h is in libgetfem++-dev 4.2.1~beta1~svn4482~dfsg-2build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | /* -*- c++ -*- (enables emacs c++ mode) */
/*===========================================================================
Copyright (C) 1999-2012 Yves Renard, Julien Pommier
This file is a part of GETFEM++
Getfem++ is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version along with the GCC Runtime Library
Exception either version 3.1 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 Lesser General Public
License and GCC Runtime Library Exception for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
As a special exception, you may use this file as it is a part of a free
software library without restriction. Specifically, if other files
instantiate templates or use macros or inline functions from this file,
or you compile this file and link it with other files to produce an
executable, this file does not by itself cause the resulting executable
to be covered by the GNU Lesser General Public License. This exception
does not however invalidate any other reasons why the executable file
might be covered by the GNU Lesser General Public License.
===========================================================================*/
/**@file getfem_level_set.h
@author Yves Renard <Yves.Renard@insa-lyon.fr>, Julien Pommier <Julien.Pommier@insa-toulouse.fr>
@date January 31, 2005.
@brief Define level-sets.
*/
#ifndef GETFEM_LEVEL_SET_H__
#define GETFEM_LEVEL_SET_H__
#include "getfem_mesh_fem.h"
#include "getfem_mesher.h"
namespace getfem {
/** @brief Define a level-set.
In getfem, a levelset is one or two scalar functions, defined on
a lagrange polynomial mesh_fem.
The (optional) second function is a way to limit the level-set
to handle cracks for example.
*/
class level_set : public context_dependencies {
protected :
mesh *pmesh;
dim_type degree_;
const mesh_fem *mf;
std::vector<scalar_type> primary_, secondary_;
bool with_secondary;
scalar_type shift_ls; // for the computation of a gap on a level_set.
// shift the level set on the ref element for mesher_level_set call
void copy_from(const level_set &ls); // WARNING : to be updated if
// some components are added
public :
void set_shift(scalar_type shift_ls_) { shift_ls = shift_ls_; }
void simplify(scalar_type eps = 0.01);
void update_from_context(void) const { }
void reinit(void);
std::vector<scalar_type> &values(unsigned i = 0)
{ return (i == 0) ? primary_ : secondary_; }
const std::vector<scalar_type> &values(unsigned i = 0) const
{ return (i == 0) ? primary_ : secondary_; }
mesher_level_set mls_of_convex(size_type cv, unsigned lsnum = 0,
bool inverted = false) const;
bool has_secondary(void) const { return with_secondary; }
const mesh_fem &get_mesh_fem(void) const { return *mf; }
const mesh &linked_mesh() const { return mf->linked_mesh(); }
dim_type degree() const { return degree_; }
level_set(mesh &msh, dim_type deg = dim_type(1),
bool with_secondary_ = false);
level_set(const level_set &ls);
level_set &operator =(const level_set &ls);
~level_set();
size_type memsize() const;
};
} /* end of namespace getfem. */
#endif /* GETFEM_LEVEL_SET_H__ */
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