BornAgain  1.18.0
Simulate and fit neutron and x-ray scattering at grazing incidence
FTDistribution1DVoigt Class Reference

IFTDistribution1D that provides a Fourier transform evaluate(q) in form of a pseudo-Voigt decay function eta*Gauss + (1-eta)*Cauchy, with both components starting at 1 for q=0. More...

+ Inheritance diagram for FTDistribution1DVoigt:

Public Member Functions

 FTDistribution1DVoigt (const std::vector< double > P)
 
 FTDistribution1DVoigt (double omega, double eta)
 
FTDistribution1DVoigt * clone () const override final
 
void accept (INodeVisitor *visitor) const override final
 Calls the INodeVisitor's visit method.
 
double evaluate (double q) const override final
 Returns Fourier transform of this distribution; is a decay function starting at evaluate(0)=1.
 
double eta () const
 
double qSecondDerivative () const override final
 Returns the negative of the second order derivative in q space around q=0.
 
std::unique_ptr< IDistribution1DSampler > createSampler () const override final
 
- Public Member Functions inherited from IFTDistribution1D
 IFTDistribution1D (const NodeMeta &meta, const std::vector< double > &PValues)
 
double omega () const
 
- Public Member Functions inherited from ICloneable
 ICloneable (const ICloneable &)=delete
 
 ICloneable (ICloneable &&)=default
 
virtual void transferToCPP ()
 Used for Python overriding of clone (see swig/tweaks.py)
 
- Public Member Functions inherited from INode
 INode (const NodeMeta &meta, const std::vector< double > &PValues)
 
virtual std::string treeToString () const
 Returns multiline string representing tree structure below the node.
 
void registerChild (INode *node)
 
virtual std::vector< const INode * > getChildren () const
 Returns a vector of children (const).
 
virtual void setParent (const INode *newParent)
 
const INode * parent () const
 
INode * parent ()
 
int copyNumber (const INode *node) const
 Returns copyNumber of child, which takes into account existence of children with same name.
 
std::string displayName () const
 Returns display name, composed from the name of node and it's copy number.
 
ParameterPool * createParameterTree () const
 Creates new parameter pool, with all local parameters and those of its children.
 
- Public Member Functions inherited from IParameterized
 IParameterized (const std::string &name="")
 
 IParameterized (const IParameterized &other)
 
IParameterized & operator= (const IParameterized &other)=delete
 
ParameterPool * parameterPool () const
 Returns pointer to the parameter pool.
 
std::string parametersToString () const
 Returns multiline string representing available parameters.
 
RealParameter & registerParameter (const std::string &name, double *parpointer)
 
void registerVector (const std::string &base_name, kvector_t *p_vec, const std::string &units="nm")
 
void setParameterValue (const std::string &name, double value)
 
void setVectorValue (const std::string &base_name, kvector_t value)
 
RealParameter * parameter (const std::string &name) const
 Returns parameter with given 'name'.
 
virtual void onChange ()
 Action to be taken in inherited class when a parameter has changed.
 
void removeParameter (const std::string &name)
 
void removeVector (const std::string &base_name)
 
void setName (const std::string &name)
 
const std::string & getName () const
 

Protected Attributes

const double & m_eta
 
- Protected Attributes inherited from IFTDistribution1D
const double & m_omega
 
- Protected Attributes inherited from INode
const size_t m_NP
 
std::vector< double > m_P
 

Additional Inherited Members

- Static Public Member Functions inherited from IParameterized
static std::string XComponentName (const std::string &base_name)
 
static std::string YComponentName (const std::string &base_name)
 
static std::string ZComponentName (const std::string &base_name)
 

Detailed Description

IFTDistribution1D that provides a Fourier transform evaluate(q) in form of a pseudo-Voigt decay function eta*Gauss + (1-eta)*Cauchy, with both components starting at 1 for q=0.

Definition at line 156 of file FTDistributions1D.h.


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