---
name: "sc_LSDACFunctional"
section: "3"
platform: "linux"
package: "libsc-doc"
version: "2.3.1-22"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/sc_LSDACFunctional"
---

# sc\_LSDACFunctional(3)

An abstract base class for local correlation functionals.

## NAME

sc::LSDACFunctional - An abstract base class for local correlation functionals.

## SYNOPSIS

`#include <functional.h>`

Inherits **sc::DenFunctional**.

Inherited by **sc::PW92LCFunctional**, **sc::PZ81LCFunctional**, and **sc::VWNLCFunctional**.

### Public Member Functions

**LSDACFunctional** (const **Ref**\< **KeyVal** \> &)\
 **LSDACFunctional** (**StateIn** &)\
 void **save\_data\_state** (**StateOut** &)\
 Save the base classes (with save\_data\_state) and the members in the same order that the **StateIn** CTOR initializes them.  void **point** (const **PointInputData** &, **PointOutputData** &)\
 virtual void **point\_lc** (const **PointInputData** &, **PointOutputData** &, double &ec\_local, double &decrs, double &deczeta)=0\

### Additional Inherited Members

## Detailed Description

An abstract base class for local correlation functionals.

## Member Function Documentation

### void sc::LSDACFunctional::point (const PointInputData &, PointOutputData &)` [virtual]`

Implements **sc::DenFunctional**.

### void sc::LSDACFunctional::save\_data\_state (StateOut &)` [virtual]`

Save the base classes (with save\_data\_state) and the members in the same order that the **StateIn** CTOR initializes them. This must be implemented by the derived class if the class has data.

Reimplemented from **sc::DenFunctional**.

Reimplemented in **sc::VWNLCFunctional**, **sc::VWN1LCFunctional**, **sc::VWN2LCFunctional**, **sc::VWN3LCFunctional**, **sc::VWN4LCFunctional**, **sc::VWN5LCFunctional**, **sc::PW92LCFunctional**, and **sc::PZ81LCFunctional**.

## Author

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