operations_research::mb::FlatExpr Class Reference

A flat linear expression sum(vars[i] * coeffs[i]) + offset. More...

#include <model_builder_helper.h>

Inheritance diagram for operations_research::mb::FlatExpr:

Public Member Functions
	FlatExpr (std::shared_ptr< LinearExpr > expr)
	FlatExpr (std::shared_ptr< LinearExpr > pos, std::shared_ptr< LinearExpr > neg)
	Flatten pos - neg.
	FlatExpr (const std::vector< std::shared_ptr< Variable > > &, const std::vector< double > &, double)
	FlatExpr (double offset)
const std::vector< std::shared_ptr< Variable > > &	vars () const
std::vector< int >	VarIndices () const
const std::vector< double > &	coeffs () const
double	offset () const
void	Visit (ExprVisitor &lin, double c) override
std::string	ToString () const override
std::string	DebugString () const override
Public Member Functions inherited from operations_research::mb::LinearExpr
virtual	~LinearExpr ()=default
std::shared_ptr< LinearExpr >	Add (std::shared_ptr< LinearExpr > expr)
std::shared_ptr< LinearExpr >	AddFloat (double cst)
std::shared_ptr< LinearExpr >	Sub (std::shared_ptr< LinearExpr > expr)
std::shared_ptr< LinearExpr >	SubFloat (double cst)
std::shared_ptr< LinearExpr >	RSubFloat (double cst)
std::shared_ptr< LinearExpr >	MulFloat (double cst)
std::shared_ptr< LinearExpr >	Neg ()
std::shared_ptr< BoundedLinearExpression >	Eq (std::shared_ptr< LinearExpr > rhs)
std::shared_ptr< BoundedLinearExpression >	EqCst (double rhs)
std::shared_ptr< BoundedLinearExpression >	Ge (std::shared_ptr< LinearExpr > rhs)
std::shared_ptr< BoundedLinearExpression >	GeCst (double rhs)
std::shared_ptr< BoundedLinearExpression >	Le (std::shared_ptr< LinearExpr > rhs)
std::shared_ptr< BoundedLinearExpression >	LeCst (double rhs)

Additional Inherited Members
Static Public Member Functions inherited from operations_research::mb::LinearExpr
static std::shared_ptr< LinearExpr >	Term (std::shared_ptr< LinearExpr > expr, double coeff)
	Expressions.
static std::shared_ptr< LinearExpr >	Affine (std::shared_ptr< LinearExpr > expr, double coeff, double constant)
static std::shared_ptr< LinearExpr >	AffineCst (double value, double coeff, double constant)
static std::shared_ptr< LinearExpr >	Constant (double value)

Detailed Description

A flat linear expression sum(vars[i] * coeffs[i]) + offset.

Definition at line 125 of file model_builder_helper.h.

Constructor & Destructor Documentation

FlatExpr() [1/4]

operations_research::mb::FlatExpr::FlatExpr ( std::shared_ptr< LinearExpr > expr )

explicit

Definition at line 897 of file model_builder_helper.cc.

FlatExpr() [2/4]

operations_research::mb::FlatExpr::FlatExpr	(	std::shared_ptr< LinearExpr >	pos,
		std::shared_ptr< LinearExpr >	neg )

Flatten pos - neg.

Definition at line 903 of file model_builder_helper.cc.

FlatExpr() [3/4]

operations_research::mb::FlatExpr::FlatExpr	(	const std::vector< std::shared_ptr< Variable > > &	vars,
		const std::vector< double > &	coeffs,
		double	offset )

Definition at line 911 of file model_builder_helper.cc.

FlatExpr() [4/4]

operations_research::mb::FlatExpr::FlatExpr ( double offset )

explicit

Definition at line 915 of file model_builder_helper.cc.

Member Function Documentation

coeffs()

const std::vector< double > & operations_research::mb::FlatExpr::coeffs ( ) const

inline

Definition at line 135 of file model_builder_helper.h.

DebugString()

std::string operations_research::mb::FlatExpr::DebugString ( ) const

overridevirtual

Implements operations_research::mb::LinearExpr.

Definition at line 982 of file model_builder_helper.cc.

offset()

double operations_research::mb::FlatExpr::offset ( ) const

inline

Definition at line 136 of file model_builder_helper.h.

ToString()

std::string operations_research::mb::FlatExpr::ToString ( ) const

overridevirtual

If there are no terms, just print the offset.

If there is an offset, print it.

Implements operations_research::mb::LinearExpr.

Definition at line 933 of file model_builder_helper.cc.

VarIndices()

std::vector< int > operations_research::mb::FlatExpr::VarIndices

(

)

const

Definition at line 917 of file model_builder_helper.cc.

vars()

const std::vector< std::shared_ptr< Variable > > & operations_research::mb::FlatExpr::vars ( ) const

inline

Definition at line 133 of file model_builder_helper.h.

Visit()

void operations_research::mb::FlatExpr::Visit ( ExprVisitor & lin, double c )

overridevirtual

Implements operations_research::mb::LinearExpr.

Definition at line 926 of file model_builder_helper.cc.

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

• ortools/linear_solver/wrappers/model_builder_helper.h
• ortools/linear_solver/wrappers/model_builder_helper.cc