aligator  0.16.0
A versatile and efficient C++ library for real-time constrained trajectory optimization.
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aligator::UnaryFunctionTpl< _Scalar > Struct Template Referenceabstract

Represents unary functions of the form \(f(x)\), with no control (or next-state) arguments. More...

#include <aligator/core/unary-function.hpp>

Inheritance diagram for aligator::UnaryFunctionTpl< _Scalar >:
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Collaboration diagram for aligator::UnaryFunctionTpl< _Scalar >:
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Public Types

using Scalar = _Scalar
using Base = StageFunctionTpl<Scalar>
using Data = StageFunctionDataTpl<Scalar>
Public Types inherited from aligator::StageFunctionTpl< _Scalar >
using Scalar = _Scalar
using Data = StageFunctionDataTpl<Scalar>

Public Member Functions

 ALIGATOR_DYNAMIC_TYPEDEFS (Scalar)
virtual void evaluate (const ConstVectorRef &x, Data &data) const =0
virtual void computeJacobians (const ConstVectorRef &x, Data &data) const =0
virtual void computeVectorHessianProducts (const ConstVectorRef &, const ConstVectorRef &, Data &) const
void evaluate (const ConstVectorRef &x, const ConstVectorRef &, Data &data) const override
 Evaluate the function.
void computeJacobians (const ConstVectorRef &x, const ConstVectorRef &, Data &data) const override
 Compute Jacobians of this function.
void computeVectorHessianProducts (const ConstVectorRef &x, const ConstVectorRef &, const ConstVectorRef &lbda, Data &data) const override
 Compute the vector-hessian products of this function.
Public Member Functions inherited from aligator::StageFunctionTpl< _Scalar >
 ALIGATOR_DYNAMIC_TYPEDEFS (Scalar)
 StageFunctionTpl (const int ndx, const int nu, const int nr)
virtual ~StageFunctionTpl ()=default
virtual shared_ptr< DatacreateData () const
 Instantiate a Data object.

Additional Inherited Members

Public Attributes inherited from aligator::StageFunctionTpl< _Scalar >
const int ndx1
 Current state dimension.
const int nu
 Control dimension.
const int nr
 Function codimension.

Detailed Description

template<typename _Scalar>
struct aligator::UnaryFunctionTpl< _Scalar >

Represents unary functions of the form \(f(x)\), with no control (or next-state) arguments.

Definition at line 12 of file unary-function.hpp.

Member Typedef Documentation

◆ Scalar

template<typename _Scalar>
using aligator::UnaryFunctionTpl< _Scalar >::Scalar = _Scalar

Definition at line 13 of file unary-function.hpp.

◆ Base

template<typename _Scalar>
using aligator::UnaryFunctionTpl< _Scalar >::Base = StageFunctionTpl<Scalar>

Definition at line 15 of file unary-function.hpp.

◆ Data

template<typename _Scalar>
using aligator::UnaryFunctionTpl< _Scalar >::Data = StageFunctionDataTpl<Scalar>

Definition at line 16 of file unary-function.hpp.

Member Function Documentation

◆ ALIGATOR_DYNAMIC_TYPEDEFS()

template<typename _Scalar>
aligator::UnaryFunctionTpl< _Scalar >::ALIGATOR_DYNAMIC_TYPEDEFS(Scalar)

◆ evaluate() [1/2]

◆ computeJacobians() [1/2]

◆ computeVectorHessianProducts() [1/2]

template<typename _Scalar>
virtual void aligator::UnaryFunctionTpl< _Scalar >::computeVectorHessianProducts(const ConstVectorRef &,
const ConstVectorRef &,
Data & ) const
inlinevirtual

◆ evaluate() [2/2]

template<typename _Scalar>
void aligator::UnaryFunctionTpl< _Scalar >::evaluate(const ConstVectorRef &x,
const ConstVectorRef &u,
Data &data ) const
inlineoverridevirtual

Evaluate the function.

Parameters
xCurrent state.
uControls.
dataData holding struct.

Implements aligator::StageFunctionTpl< _Scalar >.

Definition at line 26 of file unary-function.hpp.

◆ computeJacobians() [2/2]

template<typename _Scalar>
void aligator::UnaryFunctionTpl< _Scalar >::computeJacobians(const ConstVectorRef &x,
const ConstVectorRef &u,
Data &data ) const
inlineoverridevirtual

Compute Jacobians of this function.

This computes the Jacobians \( (\frac{\partial f}{\partial x}, \frac{\partial f}{\partial u}, \frac{\partial f}{\partial x'}) \)

Parameters
xCurrent state.
uControls.
yNext state.
dataData holding struct.

Implements aligator::StageFunctionTpl< _Scalar >.

Definition at line 31 of file unary-function.hpp.

◆ computeVectorHessianProducts() [2/2]

template<typename _Scalar>
void aligator::UnaryFunctionTpl< _Scalar >::computeVectorHessianProducts(const ConstVectorRef &x,
const ConstVectorRef &u,
const ConstVectorRef &lbda,
Data &data ) const
inlineoverridevirtual

Compute the vector-hessian products of this function.

Parameters
xCurrent state.
uControls.
yNext state.
lbdaMultiplier estimate.
dataData holding struct.

Reimplemented from aligator::StageFunctionTpl< _Scalar >.

Definition at line 36 of file unary-function.hpp.


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