# FreeBSD Manual Pages

```sc::OneBodyDerivInt(3)		     MPQC		sc::OneBodyDerivInt(3)

NAME
sc::OneBodyDerivInt - OneBodyDerivInt is	an abstract base class for
objects that compute one	body derivative	integrals.

SYNOPSIS
#include	<obint.h>

Inherits	sc::RefCount.

Inherited by sc::OneBodyDerivIntCCA, and	sc::OneBodyDerivIntV3.

Public Member Functions
OneBodyDerivInt (Integral *, const Ref< GaussianBasisSet	> &b)
OneBodyDerivInt (Integral *, const Ref< GaussianBasisSet	> &b1, const
Ref<	GaussianBasisSet > &b2)
int nbasis () const
Return the number of	basis functions	on center one.
int nbasis1 () const
Return the number of	basis functions	on the center one.
int nbasis2 () const
Return the number of	basis functions	on the center two.
int nshell () const
Return the number of	shells on center one.
int nshell1 () const
Return the number of	shells on center one.
int nshell2 () const
Return the number of	shells on center two.
Ref< GaussianBasisSet > basis ()
Return the basis set	on center one.
Ref< GaussianBasisSet > basis1 ()
Return the basis set	on center one.
Ref< GaussianBasisSet > basis2 ()
Return the basis set	on center two.
const double * buffer ()	const
The computed	shell integrals	will be	put in the buffer returned by
this	member.
virtual void compute_shell (int ish, int	jsh, DerivCenters &)=0
Compute the derivative integrals and	place the result in the	buffer
returned by buffer().
virtual void compute_shell (int ish, int	jsh, int center)=0
Compute the derivative integrals with respect to the	given center
and place the result	in the buffer returned by buffer().

Protected Attributes
Integral	* integral_
Ref< GaussianBasisSet > bs1
Ref< GaussianBasisSet > bs2
double *	buffer_

Detailed Description
OneBodyDerivInt is an abstract base class for objects that compute one
body derivative integrals.

Member Function	Documentation
const double* sc::OneBodyDerivInt::buffer ()	const
The computed shell integrals will be put	in the buffer returned by this
member.

Author
Generated automatically by Doxygen for MPQC from	the source code.

Version	2.3.1			Thu Dec	2 2021		sc::OneBodyDerivInt(3)
```

NAME | SYNOPSIS | Detailed Description | Member Function Documentation | Author

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