Mercurial > hg > octave-terminal
changeset 3955:dc970f5941ee
[project @ 2002-05-23 20:28:56 by jwe]
author | jwe |
---|---|
date | Thu, 23 May 2002 20:28:56 +0000 |
parents | 8194e0b10a9a |
children | 8a5596d6f7c4 |
files | liboctave/ChangeLog liboctave/LSODE.cc liboctave/LSODE.h src/ChangeLog src/DLD-FUNCTIONS/lsode.cc |
diffstat | 5 files changed, 126 insertions(+), 29 deletions(-) [+] |
line wrap: on
line diff
--- a/liboctave/ChangeLog +++ b/liboctave/ChangeLog @@ -1,7 +1,8 @@ 2002-05-23 John W. Eaton <jwe@bevo.che.wisc.edu> - * LSODE.cc (LSODE::do_integrate): Define method flag and iopt - here, not as class data members. + * LSODE.cc (LSODE_options::x_integration_method): New data member. + (LSODE_options::set_integration_method, + LSODE_options::integration_method): New functions. * LSODE.h (LSODE_options::x_absolute_tolerance): Now Array<double>. Change all uses.
--- a/liboctave/LSODE.cc +++ b/liboctave/LSODE.cc @@ -37,6 +37,18 @@ #include "f77-fcn.h" #include "lo-error.h" +void +LSODE_options::set_integration_method (const std::string& val) +{ + if (val == "stiff" || val == "bdf") + x_integration_method = "stiff"; + else if (val == "non-stiff" || val == "adams") + x_integration_method = "non-stiff"; + else + (*current_liboctave_error_handler) + ("lsode_options: method must be \"stiff\", \"bdf\", \"non-stiff\", or \"adams\""); +} + typedef int (*lsode_fcn_ptr) (const int&, const double&, double*, double*, int&); @@ -66,9 +78,7 @@ istate = 1; itask = 1; - - liw = 20 + n; - lrw = 22 + n * (9 + n); + iopt = 0; sanity_checked = 0; } @@ -86,9 +96,7 @@ istate = 1; itask = 1; - - liw = 20 + n; - lrw = 22 + n * (9 + n); + iopt = 0; sanity_checked = 0; } @@ -165,6 +173,24 @@ istate = 1; } + if (integration_method () == "stiff") + { + if (jac) + method_flag = 21; + else + method_flag = 22; + + liw = 20 + n; + lrw = 22 + n * (9 + n); + } + else + { + method_flag = 10; + + liw = 20; + lrw = 22 + 16 * n; + } + if (iwork.length () != liw) { iwork.resize (liw); @@ -181,9 +207,6 @@ rwork.elem (i) = 0; } - int method_flag = jac ? 21 : 22; - int iopt = 0; - integration_error = 0; double *xp = x.fortran_vec ();
--- a/liboctave/LSODE.h +++ b/liboctave/LSODE.h @@ -57,6 +57,7 @@ x_absolute_tolerance.resize (1); x_absolute_tolerance(0) = sqrt_eps; x_initial_step_size = -1.0; + x_integration_method = "stiff"; x_maximum_step_size = -1.0; x_minimum_step_size = 0.0; x_relative_tolerance = sqrt_eps; @@ -71,10 +72,10 @@ { x_absolute_tolerance = opt.x_absolute_tolerance; x_initial_step_size = opt.x_initial_step_size; + x_integration_method = opt.x_integration_method; x_maximum_step_size = opt.x_maximum_step_size; x_minimum_step_size = opt.x_minimum_step_size; x_relative_tolerance = opt.x_relative_tolerance; - x_step_limit = opt.x_step_limit; } @@ -92,6 +93,8 @@ void set_initial_step_size (double val) { x_initial_step_size = (val >= 0.0) ? val : -1.0; } + void set_integration_method (const std::string& val); + void set_maximum_step_size (double val) { x_maximum_step_size = (val >= 0.0) ? val : -1.0; } @@ -110,6 +113,9 @@ double initial_step_size (void) const { return x_initial_step_size; } + std::string integration_method (void) const + { return x_integration_method; } + double maximum_step_size (void) const { return x_maximum_step_size; } @@ -126,6 +132,7 @@ Array<double> x_absolute_tolerance; double x_initial_step_size; + std::string x_integration_method; double x_maximum_step_size; double x_minimum_step_size; double x_relative_tolerance; @@ -165,10 +172,12 @@ int n; int integration_error; int restart; + int method_flag; Array<int> iwork; Array<double> rwork; int istate; int itask; + int iopt; int liw; int lrw; int sanity_checked;
--- a/src/ChangeLog +++ b/src/ChangeLog @@ -9,6 +9,15 @@ (show_lsode_option_list): Likewise. (Flsode_options): Likewise. + * DLD-FUNCTIONS/lsode.cc (LSODE_options::s_set_opt_mf, + LSODE_options::s_get_opt_mf): New typedefs. + (LSODE_OPTIONS::s_set_fcn, LSODE_OPTIONS::s_get_fcn): New fields. + (lsode_option_table): Fill them in. + (set_lsode_option (const std::string&)): New function. + (print_lsode_option_list): Handle string options. + (show_lsode_option_list): Likewise. + (Flsode_options): Likewise. + 2002-05-22 John W. Eaton <jwe@bevo.che.wisc.edu> * c-file-ptr-stream.h (c_file_ptr_buf::fclose): New function.
--- a/src/DLD-FUNCTIONS/lsode.cc +++ b/src/DLD-FUNCTIONS/lsode.cc @@ -298,9 +298,12 @@ typedef void (LSODE_options::*da_set_opt_mf) (const Array<double>&); typedef void (LSODE_options::*d_set_opt_mf) (double); typedef void (LSODE_options::*i_set_opt_mf) (int); +typedef void (LSODE_options::*s_set_opt_mf) (const std::string&); + typedef Array<double> (LSODE_options::*da_get_opt_mf) (void) const; typedef double (LSODE_options::*d_get_opt_mf) (void) const; typedef int (LSODE_options::*i_get_opt_mf) (void) const; +typedef std::string (LSODE_options::*s_get_opt_mf) (void) const; #define MAX_TOKENS 3 @@ -313,9 +316,11 @@ da_set_opt_mf da_set_fcn; d_set_opt_mf d_set_fcn; i_set_opt_mf i_set_fcn; + s_set_opt_mf s_set_fcn; da_get_opt_mf da_get_fcn; d_get_opt_mf d_get_fcn; i_get_opt_mf i_get_fcn; + s_get_opt_mf s_get_fcn; }; static LSODE_OPTIONS lsode_option_table [] = @@ -323,43 +328,50 @@ { "absolute tolerance", { "absolute", "tolerance", 0, 0, }, { 1, 0, 0, 0, }, 1, - &LSODE_options::set_absolute_tolerance, 0, 0, - &LSODE_options::absolute_tolerance, 0, 0, }, + &LSODE_options::set_absolute_tolerance, 0, 0, 0, + &LSODE_options::absolute_tolerance, 0, 0, 0, }, { "initial step size", { "initial", "step", "size", 0, }, - { 1, 0, 0, 0, }, 1, - 0, &LSODE_options::set_initial_step_size, 0, - 0, &LSODE_options::initial_step_size, 0, }, + { 3, 0, 0, 0, }, 1, + 0, &LSODE_options::set_initial_step_size, 0, 0, + 0, &LSODE_options::initial_step_size, 0, 0, }, + + { "integration method", + { "integration", "method", 0, 0, }, + { 3, 0, 0, 0, }, 1, + 0, 0, 0, &LSODE_options::set_integration_method, + 0, 0, 0, &LSODE_options::integration_method, }, { "maximum step size", { "maximum", "step", "size", 0, }, { 2, 0, 0, 0, }, 1, - 0, &LSODE_options::set_maximum_step_size, 0, - 0, &LSODE_options::maximum_step_size, 0, }, + 0, &LSODE_options::set_maximum_step_size, 0, 0, + 0, &LSODE_options::maximum_step_size, 0, 0, }, { "minimum step size", { "minimum", "step", "size", 0, }, { 2, 0, 0, 0, }, 1, - 0, &LSODE_options::set_minimum_step_size, 0, - 0, &LSODE_options::minimum_step_size, 0, }, + 0, &LSODE_options::set_minimum_step_size, 0, 0, + 0, &LSODE_options::minimum_step_size, 0, 0, }, { "relative tolerance", { "relative", "tolerance", 0, 0, }, { 1, 0, 0, 0, }, 1, - 0, &LSODE_options::set_relative_tolerance, 0, - 0, &LSODE_options::relative_tolerance, 0, }, + 0, &LSODE_options::set_relative_tolerance, 0, 0, + 0, &LSODE_options::relative_tolerance, 0, 0, }, { "step limit", { "step", "limit", 0, 0, }, { 1, 0, 0, 0, }, 1, - 0, 0, &LSODE_options::set_step_limit, - 0, 0, &LSODE_options::step_limit, }, + 0, 0, &LSODE_options::set_step_limit, 0, + 0, 0, &LSODE_options::step_limit, 0, }, { 0, { 0, 0, 0, 0, }, { 0, 0, 0, 0, }, 0, - 0, 0, 0, 0, 0, 0, }, + 0, 0, 0, 0, + 0, 0, 0, 0, }, }; static void @@ -410,7 +422,7 @@ else os << val; } - else + else if (list->i_get_fcn) { int val = (lsode_opts.*list->i_get_fcn) (); if (val < 0) @@ -418,6 +430,13 @@ else os << val; } + else if (list->s_get_fcn) + { + os << (lsode_opts.*list->s_get_fcn) (); + } + else + panic_impossible (); + os << "\n"; list++; } @@ -478,6 +497,29 @@ warning ("lsode_options: no match for `%s'", keyword.c_str ()); } +static void +set_lsode_option (const std::string& keyword, const std::string& val) +{ + LSODE_OPTIONS *list = lsode_option_table; + + while (list->keyword != 0) + { + if (keyword_almost_match (list->kw_tok, list->min_len, keyword, + list->min_toks_to_match, MAX_TOKENS)) + { + if (list->s_set_fcn) + (lsode_opts.*list->s_set_fcn) (val); + else + error ("lsode_options: no function to handle string option"); + + return; + } + list++; + } + + warning ("lsode_options: no match for `%s'", keyword.c_str ()); +} + static octave_value_list show_lsode_option (const std::string& keyword) { @@ -511,7 +553,7 @@ else retval = val; } - else + else if (list->i_get_fcn) { int val = (lsode_opts.*list->i_get_fcn) (); if (val < 0) @@ -519,6 +561,12 @@ else retval = static_cast<double> (val); } + else if (list->s_get_fcn) + { + retval = (lsode_opts.*list->s_get_fcn) (); + } + else + panic_impossible (); return retval; } @@ -558,7 +606,14 @@ retval = show_lsode_option (keyword); else { - if (args(1).is_scalar_type ()) + if (args(1).is_string ()) + { + std::string val = args(1).string_value (); + + if (! error_state) + set_lsode_option (keyword, val); + } + else if (args(1).is_scalar_type ()) { double val = args(1).double_value ();