/usr/include/octave-3.8.1/octave/LSODE-opts.h is in liboctave-dev 3.8.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Generated automatically from numeric/LSODE-opts.in.
#if !defined (octave_LSODE_options_h)
#define octave_LSODE_options_h 1
#include <cfloat>
#include <cmath>
#include <ODE.h>
class
LSODE_options
{
public:
LSODE_options (void)
: x_absolute_tolerance (),
x_relative_tolerance (),
x_integration_method (),
x_initial_step_size (),
x_maximum_order (),
x_maximum_step_size (),
x_minimum_step_size (),
x_step_limit (),
reset ()
{
init ();
}
LSODE_options (const LSODE_options& opt)
: x_absolute_tolerance (opt.x_absolute_tolerance),
x_relative_tolerance (opt.x_relative_tolerance),
x_integration_method (opt.x_integration_method),
x_initial_step_size (opt.x_initial_step_size),
x_maximum_order (opt.x_maximum_order),
x_maximum_step_size (opt.x_maximum_step_size),
x_minimum_step_size (opt.x_minimum_step_size),
x_step_limit (opt.x_step_limit),
reset (opt.reset)
{ }
LSODE_options& operator = (const LSODE_options& opt)
{
if (this != &opt)
{
x_absolute_tolerance = opt.x_absolute_tolerance;
x_relative_tolerance = opt.x_relative_tolerance;
x_integration_method = opt.x_integration_method;
x_initial_step_size = opt.x_initial_step_size;
x_maximum_order = opt.x_maximum_order;
x_maximum_step_size = opt.x_maximum_step_size;
x_minimum_step_size = opt.x_minimum_step_size;
x_step_limit = opt.x_step_limit;
reset = opt.reset;
}
return *this;
}
~LSODE_options (void) { }
void init (void)
{
x_absolute_tolerance.resize (dim_vector (1, 1));
x_absolute_tolerance(0) = ::sqrt (std::numeric_limits<double>::epsilon ());
x_relative_tolerance = ::sqrt (std::numeric_limits<double>::epsilon ());
x_integration_method = "stiff";
x_initial_step_size = -1.0;
x_maximum_order = -1;
x_maximum_step_size = -1.0;
x_minimum_step_size = 0.0;
x_step_limit = 100000;
reset = true;
}
void set_options (const LSODE_options& opt)
{
x_absolute_tolerance = opt.x_absolute_tolerance;
x_relative_tolerance = opt.x_relative_tolerance;
x_integration_method = opt.x_integration_method;
x_initial_step_size = opt.x_initial_step_size;
x_maximum_order = opt.x_maximum_order;
x_maximum_step_size = opt.x_maximum_step_size;
x_minimum_step_size = opt.x_minimum_step_size;
x_step_limit = opt.x_step_limit;
reset = opt.reset;
}
void set_default_options (void) { init (); }
void set_absolute_tolerance (double val)
{
x_absolute_tolerance.resize (dim_vector (1, 1));
x_absolute_tolerance(0) = (val > 0.0) ? val : ::sqrt (std::numeric_limits<double>::epsilon ());
reset = true;
}
void set_absolute_tolerance (const Array<double>& val)
{ x_absolute_tolerance = val; reset = true; }
void set_relative_tolerance (double val)
{ x_relative_tolerance = (val > 0.0) ? val : ::sqrt (std::numeric_limits<double>::epsilon ()); reset = true; }
void 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\"");
reset = true;
}
void set_initial_step_size (double val)
{ x_initial_step_size = (val >= 0.0) ? val : -1.0; reset = true; }
void set_maximum_order (octave_idx_type val)
{ x_maximum_order = val; reset = true; }
void set_maximum_step_size (double val)
{ x_maximum_step_size = (val >= 0.0) ? val : -1.0; reset = true; }
void set_minimum_step_size (double val)
{ x_minimum_step_size = (val >= 0.0) ? val : 0.0; reset = true; }
void set_step_limit (octave_idx_type val)
{ x_step_limit = val; reset = true; }
Array<double> absolute_tolerance (void) const
{ return x_absolute_tolerance; }
double relative_tolerance (void) const
{ return x_relative_tolerance; }
std::string integration_method (void) const
{ return x_integration_method; }
double initial_step_size (void) const
{ return x_initial_step_size; }
octave_idx_type maximum_order (void) const
{ return x_maximum_order; }
double maximum_step_size (void) const
{ return x_maximum_step_size; }
double minimum_step_size (void) const
{ return x_minimum_step_size; }
octave_idx_type step_limit (void) const
{ return x_step_limit; }
private:
Array<double> x_absolute_tolerance;
double x_relative_tolerance;
std::string x_integration_method;
double x_initial_step_size;
octave_idx_type x_maximum_order;
double x_maximum_step_size;
double x_minimum_step_size;
octave_idx_type x_step_limit;
protected:
bool reset;
};
#endif
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