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msh_init.hpp
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/*
--------------------------------------------------------
* MSH-INIT: init MESH data-structures.
--------------------------------------------------------
*
* This program may be freely redistributed under the
* condition that the copyright notices (including this
* entire header) are not removed, and no compensation
* is received through use of the software. Private,
* research, and institutional use is free. You may
* distribute modified versions of this code UNDER THE
* CONDITION THAT THIS CODE AND ANY MODIFICATIONS MADE
* TO IT IN THE SAME FILE REMAIN UNDER COPYRIGHT OF THE
* ORIGINAL AUTHOR, BOTH SOURCE AND OBJECT CODE ARE
* MADE FREELY AVAILABLE WITHOUT CHARGE, AND CLEAR
* NOTICE IS GIVEN OF THE MODIFICATIONS. Distribution
* of this code as part of a commercial system is
* permissible ONLY BY DIRECT ARRANGEMENT WITH THE
* AUTHOR. (If you are not directly supplying this
* code to a customer, and you are instead telling them
* how they can obtain it for free, then you are not
* required to make any arrangement with me.)
*
* Disclaimer: Neither I nor: Columbia University, The
* Massachusetts Institute of Technology, The
* University of Sydney, nor The National Aeronautics
* and Space Administration warrant this code in any
* way whatsoever. This code is provided "as-is" to be
* used at your own risk.
*
--------------------------------------------------------
*
* Last updated: 21 August, 2018
*
* Copyright 2013-2018
* Darren Engwirda
* https://github.com/dengwirda/
*
--------------------------------------------------------
*/
# pragma once
# ifndef __MSH_INIT__
# define __MSH_INIT__
/*
--------------------------------------------------------
* INIT-MESH: initialise MESH data.
--------------------------------------------------------
*/
template <
typename jlog_data
>
__normal_call iptr_type init_mesh (
jcfg_data &_jcfg ,
jlog_data &_jlog ,
mesh_data &_mesh
)
{
iptr_type _errv = __no_error ;
__unreferenced(_jcfg) ;
__unreferenced(_jlog) ;
if (_mesh._ndim == +2 &&
_mesh._kind ==
jmsh_kind::euclidean_mesh)
{
/*--------------------------------- euclidean-mesh-2d */
for (auto _iter = _mesh.
_euclidean_mesh_2d._mesh._set1.head() ;
_iter != _mesh.
_euclidean_mesh_2d._mesh._set1.tend() ;
++_iter )
{
if (_iter->mark() < 0) continue ;
if (_iter->feat()
== mesh::null_feat)
_iter->fdim() = 2 ;
else
if (_iter->feat()
== mesh::user_feat)
_iter->fdim() = 2 ;
else
if (_iter->feat()
== mesh::soft_feat)
_iter->fdim() = 0 ;
else
if (_iter->feat()
== mesh::hard_feat)
_iter->fdim() = 0 ;
}
for (auto _iter = _mesh.
_euclidean_mesh_2d._mesh._set3.head() ;
_iter != _mesh.
_euclidean_mesh_2d._mesh._set3.tend() ;
++_iter )
{
if (_iter->mark() < 0) continue ;
auto _head = _mesh.
_euclidean_mesh_2d._mesh._set1.head() ;
auto _inod =
_head+_iter->node( +0) ;
auto _jnod =
_head+_iter->node( +1) ;
auto _knod =
_head+_iter->node( +2) ;
if (_inod->fdim() > 2)
_inod->fdim() = 2 ;
if (_jnod->fdim() > 2)
_jnod->fdim() = 2 ;
if (_knod->fdim() > 2)
_knod->fdim() = 2 ;
}
for (auto _iter = _mesh.
_euclidean_mesh_2d._mesh._set2.head() ;
_iter != _mesh.
_euclidean_mesh_2d._mesh._set2.tend() ;
++_iter )
{
if (_iter->mark() < 0) continue ;
auto _head = _mesh.
_euclidean_mesh_2d._mesh._set1.head() ;
auto _inod =
_head+_iter->node( +0) ;
auto _jnod =
_head+_iter->node( +1) ;
if (_inod->fdim() > 1)
_inod->fdim() = 1 ;
if (_jnod->fdim() > 1)
_jnod->fdim() = 1 ;
}
}
else
if (_mesh._ndim == +3 &&
_mesh._kind ==
jmsh_kind::euclidean_mesh)
{
/*--------------------------------- euclidean-mesh-3d */
for (auto _iter = _mesh.
_euclidean_mesh_3d._mesh._set1.head() ;
_iter != _mesh.
_euclidean_mesh_3d._mesh._set1.tend() ;
++_iter )
{
if (_iter->mark() < 0) continue ;
if (_iter->feat()
== mesh::null_feat)
_iter->fdim() = 3 ;
else
if (_iter->feat()
== mesh::user_feat)
_iter->fdim() = 3 ;
else
if (_iter->feat()
== mesh::soft_feat)
_iter->fdim() = 0 ;
else
if (_iter->feat()
== mesh::hard_feat)
_iter->fdim() = 0 ;
}
for (auto _iter = _mesh.
_euclidean_mesh_3d._mesh._set4.head() ;
_iter != _mesh.
_euclidean_mesh_3d._mesh._set4.tend() ;
++_iter )
{
if (_iter->mark() < 0) continue ;
auto _head = _mesh.
_euclidean_mesh_3d._mesh._set1.head() ;
auto _inod =
_head+_iter->node( +0) ;
auto _jnod =
_head+_iter->node( +1) ;
auto _knod =
_head+_iter->node( +2) ;
auto _lnod =
_head+_iter->node( +3) ;
if (_inod->fdim() > 3)
_inod->fdim() = 3 ;
if (_jnod->fdim() > 3)
_jnod->fdim() = 3 ;
if (_knod->fdim() > 3)
_knod->fdim() = 3 ;
if (_lnod->fdim() > 3)
_lnod->fdim() = 3 ;
}
for (auto _iter = _mesh.
_euclidean_mesh_3d._mesh._set3.head() ;
_iter != _mesh.
_euclidean_mesh_3d._mesh._set3.tend() ;
++_iter )
{
if (_iter->mark() < 0) continue ;
auto _head = _mesh.
_euclidean_mesh_3d._mesh._set1.head() ;
auto _inod =
_head+_iter->node( +0) ;
auto _jnod =
_head+_iter->node( +1) ;
auto _knod =
_head+_iter->node( +2) ;
if (_inod->fdim() > 2)
_inod->fdim() = 2 ;
if (_jnod->fdim() > 2)
_jnod->fdim() = 2 ;
if (_knod->fdim() > 2)
_knod->fdim() = 2 ;
}
for (auto _iter = _mesh.
_euclidean_mesh_3d._mesh._set2.head() ;
_iter != _mesh.
_euclidean_mesh_3d._mesh._set2.tend() ;
++_iter )
{
if (_iter->mark() < 0) continue ;
auto _head = _mesh.
_euclidean_mesh_3d._mesh._set1.head() ;
auto _inod =
_head+_iter->node( +0) ;
auto _jnod =
_head+_iter->node( +1) ;
if (_inod->fdim() > 1)
_inod->fdim() = 1 ;
if (_jnod->fdim() > 1)
_jnod->fdim() = 1 ;
}
}
return ( _errv ) ;
}
# endif //__MSH_INIT__