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marche.hpp
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marche.hpp
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/*
--------------------------------------------------------
*
* ,o, ,o, /
* ` ` e88~88e d88~\ /~~~8e Y88b e /
* 888 888 88 88 C888 88b Y88b d8b /
* 888 888 "8b_d8" Y88b e88~-888 Y888/Y88b/
* 888 888 / 888D C88 888 Y8/ Y8/
* 88P 888 Cb \_88P "8b_-888 Y Y
* \_8" Y8""8D
*
--------------------------------------------------------
* MARCHE: "fast-marching" eikonal equation solver.
--------------------------------------------------------
*
* Last updated: 10 Jun., 2022
*
* Copyright 2013 -- 2022
* Darren Engwirda
* d.engwirda@gmail.com
* https://github.com/dengwirda
*
--------------------------------------------------------
*
* 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 THE CONTRIBUTORS warrant
* this code in any way whatsoever. This code is
* provided "as-is" to be used at your own risk.
*
* THE CONTRIBUTORS include:
* (a) The University of Sydney
* (b) The Massachusetts Institute of Technology
* (c) Columbia University
* (d) The National Aeronautics & Space Administration
* (e) Los Alamos National Laboratory
*
--------------------------------------------------------
*/
namespace MARCHE {
std::string asciibanner =
" \n"
"#------------------------------------------------------------\n"
"#\n"
"# ,o, ,o, / \n"
"# ` ` e88~88e d88~\\ /~~~8e Y88b e / \n"
"# 888 888 88 88 C888 88b Y88b d8b / \n"
"# 888 888 \"8b_d8\" Y88b e88~-888 Y888/Y88b/ \n"
"# 888 888 / 888D C88 888 Y8/ Y8/ \n"
"# 88P 888 Cb \\_88P \"8b_-888 Y Y \n"
"# \\_8\" Y8\"\"8D \n"
"#\n"
"#------------------------------------------------------------\n"
"# MARCHE: \"fast-marching\" eikonal equation solver. \n"
"#------------------------------------------------------------\n"
" \n"
" " __JGSWVSTR "\n\n" ;
}
# ifdef __lib_jigsaw
# include "liblib/init_jig_t.hpp"
# include "liblib/init_msh_t.hpp"
# include "liblib/load_jig_t.hpp"
# include "liblib/load_msh_t.hpp"
# include "liblib/save_jig_t.hpp"
# include "liblib/save_msh_t.hpp"
__normal_call iptr_type marche ( // lib-jigsaw
jigsaw_jig_t *_jjig ,
jigsaw_msh_t *_fmsh
)
{
iptr_type _retv = +0;
__unreferenced(_fmsh) ;
hfun_data _ffun ; // FUNC data
jcfg_data _jcfg ;
float _xoff[3] = {+0.f} ; // to origin
# ifdef __use_timers
typename std ::chrono::
high_resolution_clock::time_point _ttic ;
typename std ::chrono::
high_resolution_clock::time_point _ttoc ;
typename std ::chrono::
high_resolution_clock _time ;
__unreferenced(_time) ; // why does MSVC need this??
# endif//__use_timers
/*--------------------------------- init. geo. kernel */
mp_float::exactinit() ;
/*--------------------------------- setup *.JLOG data */
if (_jjig != nullptr )
{
_jcfg._verbosity = _jjig->_verbosity ;
}
jlog_null _jlog(_jcfg) ;
_jlog.push(MARCHE::
asciibanner) ;
/*--------------------------------- parse *.JCFG data */
if (_jjig != nullptr )
{
_jlog.push (
" Reading CFG. data...\n\n" ) ;
# ifdef __use_timers
_ttic = _time.now();
# endif//__use_timers
if ((_retv = copy_jcfg (
_jcfg,
_jlog,*_jjig)) != __no_error)
{
return _retv ;
}
if ((_retv = test_jcfg (
_jcfg, _jlog)) != __no_error)
{
return _retv ;
}
_jlog.push (
" CFG. data summary...\n\n" ) ;
if ((_retv = echo_jcfg (
_jcfg, _jlog)) != __no_error)
{
return _retv ;
}
# ifdef __use_timers
_ttoc = _time.now();
_jlog.push(dump_time(_ttic, _ttoc));
# endif//__use_timers
}
if (_fmsh != nullptr )
{
/*--------------------------------- parse *.HFUN data */
_jlog.push ( __jloglndv "\n" ) ;
_jlog.push (
" Reading FFUN data...\n\n" ) ;
# ifdef __use_timers
_ttic = _time.now();
# endif//__use_timers
if ((_retv = copy_hfun (
_jcfg, _jlog ,
_ffun,*_fmsh)) != __no_error)
{
return _retv ;
}
if ((_retv = test_hfun (
_jcfg, _jlog ,
_ffun, false)) != __no_error)
{
return _retv ;
}
if ((_retv = separator (
_jcfg, _jlog ,
_ffun, _xoff)) != __no_error)
{
return _retv ;
}
# ifdef __use_timers
_ttoc = _time.now();
_jlog.push(dump_time(_ttic, _ttoc));
# endif//__use_timers
}
if (_fmsh != nullptr )
{
/*--------------------------------- assemble size-fun */
_jlog.push ( __jloglndv "\n" ) ;
_jlog.push (
" Forming FFUN data...\n\n" ) ;
# ifdef __use_timers
_ttic = _time.now();
# endif//__use_timers
_ffun.init_hfun(
_jcfg, _xoff, true ) ;
if (_jcfg._verbosity > 0 )
{
_jlog.push (
" FFUN data summary...\n\n" ) ;
if ((_retv = echo_hfun (
_jcfg, _jlog ,
_ffun, false)) != __no_error)
{
return _retv ;
}
}
# ifdef __use_timers
_ttoc = _time.now();
_jlog.push(dump_time(_ttic, _ttoc));
# endif//__use_timers
}
if (_fmsh != nullptr )
{
/*--------------------------------- call h-jac solver */
_jlog.push ( __jloglndv "\n" ) ;
_jlog.push (
" Fast-march solver...\n\n" ) ;
# ifdef __use_timers
_ttic = _time.now();
# endif//__use_timers
_ffun.clip_hfun(_jcfg) ;
# ifdef __use_timers
_ttoc = _time.now();
_jlog.push(dump_time(_ttic, _ttoc));
# endif//__use_timers
}
if (_fmsh != nullptr )
{
/*--------------------------------- dump mesh to file */
_jlog.push ( __jloglndv "\n" ) ;
_jlog.push (
" Writing FFUN data...\n\n" ) ;
# ifdef __use_timers
_ttic = _time.now();
# endif//__use_timers
if ((_retv = save_hfun (
_jcfg, _jlog,
_xoff,
_ffun,*_fmsh)) != __no_error)
{
return _retv ;
}
# ifdef __use_timers
_ttoc = _time.now();
_jlog.push(dump_time(_ttic, _ttoc));
# endif//__use_timers
}
/*-------------------------- success, if we got here! */
return ( _retv ) ;
}
# else
# if defined(__cmd_marche)
__normal_call iptr_type main ( // cmd-marche
int _argc ,
char **_argv
)
{
hfun_data _ffun ; // FUNC data
float _xoff[3] = {+0.f} ; // to origin
# ifdef __use_timers
typename std ::chrono::
high_resolution_clock::time_point _ttic ;
typename std ::chrono::
high_resolution_clock::time_point _ttoc ;
typename std ::chrono::
high_resolution_clock _time ;
__unreferenced(_time) ; // why does MSVC need this??
# endif//__use_timers
/*--------------------------------- init. geo. kernel */
mp_float::exactinit() ;
/*-------------------------- find *.JFCG file in args */
iptr_type _retv = -1 ;
jcfg_data _jcfg ;
for (; _argc-- != +0; )
{
std::string _ssrc(_argv[_argc]) ;
if (_ssrc.find("-h") == 0 ||
_ssrc.find(
"--help") == 0 )
{
_retv = -2 ;
std::cout <<
"Usage: marche user-opts.jig" ;
std::cout << std::endl ;
break ;
}
if (_ssrc.find("-v") == 0 ||
_ssrc.find(
"--version") == 0 ||
_ssrc.find(
"-whoami") == 0 )
{
_retv = -2 ;
std::cout << __JGSWVSTR ;
std::cout << std::endl ;
break ;
}
std::string _path , _name , _fext ;
file_part ( _ssrc ,
_path , _name , _fext ) ;
if (_fext.find("jig") == 0)
{
_retv = +0 ;
_jcfg._jcfg_file =_ssrc ;
_jcfg._file_path =_path ;
_jcfg._file_name =_name ;
break ;
}
}
if (_retv == -1)
{
std::cout <<
"**parse error: *.jig file not found!" << std::endl;
}
if (_retv != +0) return ( _retv ) ;
/*--------------------------------- setup *.JLOG file */
jlog_text _jlog(_jcfg) ;
if(!_jcfg._jcfg_file.empty())
{
/*--------------------------------- parse *.JCFG file */
# ifdef __use_timers
_ttic = _time.now();
# endif//__use_timers
if ((_retv = read_jcfg (
_jcfg, _jlog)) != __no_error)
{
return _retv ;
}
_jlog._verbosity =
_jcfg._verbosity ;
_jlog.push ( MARCHE::asciibanner ) ;
if ((_retv = test_jcfg (
_jcfg, _jlog)) != __no_error)
{
return _retv ;
}
_jlog.push (
" CFG. data summary...\n\n" ) ;
if ((_retv = echo_jcfg (
_jcfg, _jlog)) != __no_error)
{
return _retv ;
}
# ifdef __use_timers
_ttoc = _time.now();
_jlog.push(dump_time(_ttic, _ttoc));
# endif//__use_timers
}
if(!_jcfg._hfun_file.empty())
{
/*--------------------------------- parse *.HFUN file */
_jlog.push ( __jloglndv "\n" ) ;
_jlog.push (
" Reading FFUN file...\n\n" ) ;
# ifdef __use_timers
_ttic = _time.now();
# endif//__use_timers
if ((_retv = read_hfun (
_jcfg,
_jlog, _ffun)) != __no_error)
{
return _retv ;
}
if ((_retv = test_hfun (
_jcfg, _jlog ,
_ffun, false)) != __no_error)
{
return _retv ;
}
if ((_retv = separator (
_jcfg, _jlog ,
_ffun, _xoff)) != __no_error)
{
return _retv ;
}
# ifdef __use_timers
_ttoc = _time.now();
_jlog.push(dump_time(_ttic, _ttoc));
# endif//__use_timers
}
if(!_jcfg._hfun_file.empty())
{
/*--------------------------------- assemble size-fun */
_jlog.push ( __jloglndv "\n" ) ;
_jlog.push (
" Forming FFUN data...\n\n" ) ;
# ifdef __use_timers
_ttic = _time.now();
# endif//__use_timers
_ffun.init_hfun(
_jcfg, _xoff, true ) ;
if (_jcfg._verbosity > 0 )
{
_jlog.push (
" FFUN data summary...\n\n" ) ;
if ((_retv = echo_hfun (
_jcfg, _jlog ,
_ffun, false)) != __no_error)
{
return _retv ;
}
}
# ifdef __use_timers
_ttoc = _time.now();
_jlog.push(dump_time(_ttic, _ttoc));
# endif//__use_timers
}
if(!_jcfg._hfun_file.empty())
{
/*--------------------------------- call h-jac solver */
_jlog.push ( __jloglndv "\n" ) ;
_jlog.push (
" Fast-march solver...\n\n" ) ;
# ifdef __use_timers
_ttic = _time.now();
# endif//__use_timers
_ffun.clip_hfun(_jcfg) ;
# ifdef __use_timers
_ttoc = _time.now();
_jlog.push(dump_time(_ttic, _ttoc));
# endif//__use_timers
}
if(!_jcfg._hfun_file.empty())
{
/*--------------------------------- dump mesh to file */
_jlog.push ( __jloglndv "\n" ) ;
_jlog.push (
" Writing FFUN file...\n\n" ) ;
# ifdef __use_timers
_ttic = _time.now();
# endif//__use_timers
if ((_retv = save_hfun (
_jcfg, _jlog,
_xoff, _ffun)) != __no_error)
{
return _retv ;
}
# ifdef __use_timers
_ttoc = _time.now();
_jlog.push(dump_time(_ttic, _ttoc));
# endif//__use_timers
}
/*-------------------------- success, if we got here! */
return ( _retv ) ;
}
# endif //__cmd_marche
# endif //__lib_jigsaw