slp::detail::BinaryPlusExpression< Scalar, T > Struct Template Reference

#include <sleipnir/autodiff/expression.hpp>

Inheritance diagram for slp::detail::BinaryPlusExpression< Scalar, T >:

Public Member Functions
constexpr	BinaryPlusExpression (ExpressionPtr< Scalar > lhs, ExpressionPtr< Scalar > rhs)
Scalar	value (Scalar lhs, Scalar rhs) const override
ExpressionType	type () const override
Scalar	grad_l (Scalar, Scalar, Scalar parent_adjoint) const override
Scalar	grad_r (Scalar, Scalar, Scalar parent_adjoint) const override
ExpressionPtr< Scalar >	grad_expr_l (const ExpressionPtr< Scalar > &, const ExpressionPtr< Scalar > &, const ExpressionPtr< Scalar > &parent_adjoint) const override
ExpressionPtr< Scalar >	grad_expr_r (const ExpressionPtr< Scalar > &, const ExpressionPtr< Scalar > &, const ExpressionPtr< Scalar > &parent_adjoint) const override
Public Member Functions inherited from slp::detail::Expression< Scalar >
constexpr	Expression ()=default
constexpr	Expression (Scalar value)
constexpr	Expression (ExpressionPtr< Scalar > lhs)
constexpr	Expression (ExpressionPtr< Scalar > lhs, ExpressionPtr< Scalar > rhs)
constexpr bool	is_constant (Scalar constant) const

Additional Inherited Members
Public Types inherited from slp::detail::Expression< Scalar >
using	Scalar = Scalar
Public Attributes inherited from slp::detail::Expression< Scalar >
Scalar	val
	The value of the expression node.
Scalar	adjoint
	The adjoint of the expression node, used during autodiff.
uint32_t	incoming_edges
	Counts incoming edges for this node.
int32_t	col
	This expression's column in a Jacobian, or -1 otherwise.
ExpressionPtr< Scalar >	adjoint_expr
uint32_t	ref_count
	Reference count for intrusive shared pointer.
std::array< ExpressionPtr< Scalar >, 2 >	args
	Expression arguments.

Detailed Description

template<typename Scalar, ExpressionType T>
struct slp::detail::BinaryPlusExpression< Scalar, T >

Derived expression type for binary plus operator.

Template Parameters

Scalar	Scalar type.
T	Expression type.

Constructor & Destructor Documentation

BinaryPlusExpression()

template<typename Scalar , ExpressionType T>

constexpr slp::detail::BinaryPlusExpression< Scalar, T >::BinaryPlusExpression ( ExpressionPtr< Scalar >  lhs, ExpressionPtr< Scalar >  rhs  )

inlineconstexpr

Constructs a binary expression (an operator with two arguments).

Parameters

lhs	Binary operator's left operand.
rhs	Binary operator's right operand.

Member Function Documentation

grad_expr_l()

template<typename Scalar , ExpressionType T>

ExpressionPtr< Scalar > slp::detail::BinaryPlusExpression< Scalar, T >::grad_expr_l ( const ExpressionPtr< Scalar > &  lhs, const ExpressionPtr< Scalar > &  rhs, const ExpressionPtr< Scalar > &  parent_adjoint  ) const

inlineoverridevirtual

Returns ∂/∂l as an Expression.

Parameters

lhs	Left argument to binary operator.
rhs	Right argument to binary operator.
parent_adjoint	Adjoint of parent expression.

Returns

∂/∂l as an Expression.

Reimplemented from slp::detail::Expression< Scalar >.

grad_expr_r()

template<typename Scalar , ExpressionType T>

ExpressionPtr< Scalar > slp::detail::BinaryPlusExpression< Scalar, T >::grad_expr_r ( const ExpressionPtr< Scalar > &  lhs, const ExpressionPtr< Scalar > &  rhs, const ExpressionPtr< Scalar > &  parent_adjoint  ) const

inlineoverridevirtual

Returns ∂/∂r as an Expression.

Parameters

lhs	Left argument to binary operator.
rhs	Right argument to binary operator.
parent_adjoint	Adjoint of parent expression.

Returns

∂/∂r as an Expression.

Reimplemented from slp::detail::Expression< Scalar >.

grad_l()

template<typename Scalar , ExpressionType T>

Scalar slp::detail::BinaryPlusExpression< Scalar, T >::grad_l ( Scalar  lhs, Scalar  rhs, Scalar  parent_adjoint  ) const

inlineoverridevirtual

Returns ∂/∂l as a Scalar.

Parameters

lhs	Left argument to binary operator.
rhs	Right argument to binary operator.
parent_adjoint	Adjoint of parent expression.

Returns

∂/∂l as a Scalar.

Reimplemented from slp::detail::Expression< Scalar >.

grad_r()

template<typename Scalar , ExpressionType T>

Scalar slp::detail::BinaryPlusExpression< Scalar, T >::grad_r ( Scalar  lhs, Scalar  rhs, Scalar  parent_adjoint  ) const

inlineoverridevirtual

Returns ∂/∂r as a Scalar.

Parameters

lhs	Left argument to binary operator.
rhs	Right argument to binary operator.
parent_adjoint	Adjoint of parent expression.

Returns

∂/∂r as a Scalar.

Reimplemented from slp::detail::Expression< Scalar >.

type()

template<typename Scalar , ExpressionType T>

ExpressionType slp::detail::BinaryPlusExpression< Scalar, T >::type ( ) const

inlineoverridevirtual

Returns the type of this expression (constant, linear, quadratic, or nonlinear).

Returns

The type of this expression.

Implements slp::detail::Expression< Scalar >.

value()

template<typename Scalar , ExpressionType T>

Scalar slp::detail::BinaryPlusExpression< Scalar, T >::value ( Scalar  lhs, Scalar  rhs  ) const

inlineoverridevirtual

Either nullary operator with no arguments, unary operator with one argument, or binary operator with two arguments. This operator is used to update the node's value.

Parameters

lhs	Left argument to binary operator.
rhs	Right argument to binary operator.

Returns

The node's value.

Implements slp::detail::Expression< Scalar >.

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

• include/sleipnir/autodiff/expression.hpp