# sc_OneBodyOneCenterInt - Man Page

OneBodyOneCenterInt is an abstract base class for objects that compute integrals between two basis functions.

## Synopsis

`#include <obint.h>`

Inherits **sc::RefCount**.

Inherited by **sc::OneBodyOneCenterWrapper**.

### Public Member Functions

int **nbasis** () const

Returns the number of basis functions on center one.

int **nbasis1** () const

Returns the number of basis functions on the center one.

int **nshell** () const

Return the number of shells on center one.

int **nshell1** () const

Return the number of shells on the center one. **Ref**< **GaussianBasisSet** > **basis** ()

Return the basis set on center one. **Ref**< **GaussianBasisSet** > **basis1** ()

Return the basis set on the center one.

const double * **buffer** () const

Returns the buffer where the integrals are placed.

virtual void **compute_shell** (int)=0

Computes the integrals for basis functions on the given shell.

virtual void **reinitialize** ()

This is called for one body integrals that take data to let them know that the data they reference has changed.

virtual bool **cloneable** ()

Return true if the clone member can be called.

virtual **Ref**< **OneBodyOneCenterInt** > **clone** ()

Returns a clone of this. **Integral** * **integral** () const

### Protected Member Functions

**OneBodyOneCenterInt** (**Integral** *integral, const **Ref**< **GaussianBasisSet** > &b1)

### Protected Attributes

**Integral** * **integral_****Ref**< **GaussianBasisSet** > **bs1_**

double * **buffer_**

## Detailed Description

**OneBodyOneCenterInt** is an abstract base class for objects that compute integrals between two basis functions.

## Member Function Documentation

### virtual Ref<OneBodyOneCenterInt> sc::OneBodyOneCenterInt::clone () [virtual]

Returns a clone of this. The default implementation throws an exception.

### virtual bool sc::OneBodyOneCenterInt::cloneable () [virtual]

Return true if the clone member can be called. The default implementation returns false.

## Author

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