#include <c2_function.hh>

Inheritance diagram for c2_composed_function_p< float_type >:

Collaboration diagram for c2_composed_function_p< float_type >:

Public Member Functions
	c2_composed_function_p (const c2_function< float_type > &outer, const c2_function< float_type > &inner)

	c2_composed_function_p ()
	Create a stub just for the combiner to avoid statics. More...

Public Member Functions inherited from c2_binary_function< float_type >
virtual float_type	value_with_derivatives (float_type x, float_type yprime, float_type yprime2) const
	get the value and derivatives. More...

virtual	~c2_binary_function ()
	destructor releases ownership of member functions More...

Public Member Functions inherited from c2_function< float_type >
const std::string	cvs_header_vers () const
	get versioning information for the header file More...

const std::string	cvs_file_vers () const
	get versioning information for the source file More...

virtual	~c2_function ()
	destructor More...

float_type	operator() (float_type x) const
	evaluate the function in the classic way, ignoring derivatives. More...

float_type	operator() (float_type x, float_type yprime, float_type yprime2) const
	get the value and derivatives. More...

float_type	find_root (float_type lower_bracket, float_type upper_bracket, float_type start, float_type value, int error=0, float_type final_yprime=0, float_type *final_yprime2=0) const
	solve f(x)==value very efficiently, with explicit knowledge of derivatives of the function More...

float_type	partial_integrals (std::vector< float_type > xgrid, std::vector< float_type > *partials=0, float_type abs_tol=1e-12, float_type rel_tol=1e-12, int derivs=2, bool adapt=true, bool extrapolate=true) const

float_type	integral (float_type amin, float_type amax, std::vector< float_type > *partials=0, float_type abs_tol=1e-12, float_type rel_tol=1e-12, int derivs=2, bool adapt=true, bool extrapolate=true) const
	a fully-automated integrator which uses the information provided by the get_sampling_grid() function to figure out what to do. More...

c2_piecewise_function_p < float_type > *	adaptively_sample (float_type amin, float_type amax, float_type abs_tol=1e-12, float_type rel_tol=1e-12, int derivs=2, std::vector< float_type > xvals=0, std::vector< float_type > yvals=0) const
	create a c2_piecewise_function_p from c2_connector_function_p segments which is a representation of the parent function to the specified accuracy, but maybe much cheaper to evaluate More...

float_type	xmin () const

float_type	xmax () const

void	set_domain (float_type amin, float_type amax)

size_t	get_evaluations () const

void	reset_evaluations () const
	reset the counter More...

void	increment_evaluations () const
	count evaluations More...

bool	check_monotonicity (const std::vector< float_type > &data, const char message[]) const
	check that a vector is monotonic, throw an exception if not, and return a flag if it is reversed More...

virtual void	set_sampling_grid (const std::vector< float_type > &grid)
	establish a grid of 'interesting' points on the function. More...

std::vector< float_type > *	get_sampling_grid_pointer () const
	get the sampling grid, which may be a null pointer More...

virtual void	get_sampling_grid (float_type amin, float_type amax, std::vector< float_type > &grid) const

void	preen_sampling_grid (std::vector< float_type > *result) const
	The grid is modified in place. More...

void	refine_sampling_grid (std::vector< float_type > &grid, size_t refinement) const

c2_function< float_type > &	normalized_function (float_type amin, float_type amax, float_type norm=1.0) const
	create a new c2_function from this one which is normalized on the interval More...

c2_function< float_type > &	square_normalized_function (float_type amin, float_type amax, float_type norm=1.0) const

c2_function< float_type > &	square_normalized_function (float_type amin, float_type amax, const c2_function< float_type > &weight, float_type norm=1.0) const
	create a new c2_function from this one which is square-normalized with the provided weight on the interval More...

c2_sum_p< float_type > &	operator+ (const c2_function< float_type > &rhs) const
	factory function to create a c2_sum_p from a regular algebraic expression. More...

c2_diff_p< float_type > &	operator- (const c2_function< float_type > &rhs) const
	factory function to create a c2_diff_p from a regular algebraic expression. More...

c2_product_p< float_type > &	operator* (const c2_function< float_type > &rhs) const
	factory function to create a c2_product_p from a regular algebraic expression. More...

c2_ratio_p< float_type > &	operator/ (const c2_function< float_type > &rhs) const

c2_composed_function_p < float_type > &	operator() (const c2_function< float_type > &inner) const
	compose this function outside another. More...

float_type	get_trouble_point () const
	Find out where a calculation ran into trouble, if it got a nan. If the most recent computation did not return a nan, this is undefined. More...

void	claim_ownership () const
	increment our reference count. Destruction is only legal if the count is zero. More...

size_t	release_ownership_for_return () const
	decrement our reference count. Do not destroy at zero. More...

void	release_ownership () const

size_t	count_owners () const
	get the reference count, mostly for debugging More...

void	fill_fblock (c2_fblock< float_type > &fb) const
	fill in a c2_fblock<float_type>... a shortcut for the integrator & sampler More...

Static Public Member Functions
static float_type	combine (const c2_function< float_type > &left, const c2_function< float_type > &right, float_type x, float_type yprime, float_type yprime2)
	execute math necessary to do composition More...

Additional Inherited Members
Public Attributes inherited from c2_binary_function< float_type >
float_type(*const	combine )(const c2_function< float_type > &left, const c2_function< float_type > &right, float_type x, float_type yprime, float_type yprime2)

Protected Member Functions inherited from c2_binary_function< float_type >
	c2_binary_function (float_type(combiner)(const c2_function< float_type > &left, const c2_function< float_type > &right, float_type x, float_type yprime, float_type *yprime2), const c2_function< float_type > &left, const c2_function< float_type > &right)

	c2_binary_function (float_type(combiner)(const c2_function< float_type > &left, const c2_function< float_type > &right, float_type x, float_type yprime, float_type *yprime2))

Protected Member Functions inherited from c2_function< float_type >
	c2_function (const c2_function< float_type > &src)

	c2_function ()

virtual void	set_sampling_grid_pointer (std::vector< float_type > &grid)

Protected Attributes inherited from c2_binary_function< float_type >
const c2_const_ptr< float_type >	Left

const c2_const_ptr< float_type >	Right

bool	stub

Protected Attributes inherited from c2_function< float_type >
std::vector< float_type > *	sampling_grid

bool	no_overwrite_grid

float_type	fXMin

float_type	fXMax

size_t	evaluations

float_type	bad_x_point
	this point may be used to record where a calculation ran into trouble More...

Detailed Description

template<typename float_type>
class c2_composed_function_p< float_type >

Definition at line 79 of file c2_function.hh.

Constructor & Destructor Documentation

template<typename float_type>

c2_composed_function_p< float_type >::c2_composed_function_p	(	const c2_function< float_type > &	outer,
		const c2_function< float_type > &	inner
	)

inline

Definition at line 1068 of file c2_function.hh.

                                                                : 
     c2_binary_function<float_type>(combine, outer, inner) { 
     this->set_domain(inner.xmin(), inner.xmax()); }

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template<typename float_type>

c2_composed_function_p< float_type >::c2_composed_function_p ( )

inline

Create a stub just for the combiner to avoid statics.

Definition at line 1073 of file c2_function.hh.

1073 : c2_binary_function<float_type>(combine) {}

c2_composed_function_p::combine

static float_type combine(const c2_function< float_type > &left, const c2_function< float_type > &right, float_type x, float_type *yprime, float_type *yprime2)

execute math necessary to do composition

Definition: c2_function.hh:1076

c2_binary_function

Definition: c2_function.hh:941

Member Function Documentation

template<typename float_type>

static float_type c2_composed_function_p< float_type >::combine	(	const c2_function< float_type > &	left,
		const c2_function< float_type > &	right,
		float_type	x,
		float_type *	yprime,
		float_type *	yprime2
	)

inlinestatic

execute math necessary to do composition

Definition at line 1076 of file c2_function.hh.

   {
     float_type y0, y1;
     if(yprime || yprime2) {
       float_type yp0, ypp0, yp1, ypp1;
       y0=right.value_with_derivatives(x, &yp0, &ypp0);
       y1=left.value_with_derivatives(y0, &yp1, &ypp1);
       if(yprime) *yprime=yp1*yp0;
       if(yprime2) *yprime2=ypp0*yp1+yp0*yp0*ypp1;
     } else {
       y0=right(x);
       y1=left(y0);
     }
     return y1;
   }        

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The documentation for this class was generated from the following file:

source/geant4.10.03.p02/examples/extended/electromagnetic/TestEm7/include/c2_function.hh

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

template<typename float_type> class c2_composed_function_p< float_type >

Constructor & Destructor Documentation

Member Function Documentation

template<typename float_type>
class c2_composed_function_p< float_type >