Prototype

There is one prototype of gttrs available, please see below.

gttrs( const VectorDL& dl, const VectorD& d, const VectorDU& du,
        const VectorDU2& du2, const VectorIPIV& ipiv, MatrixB& b );

Description

gttrs (short for $FRIENDLY_NAME) provides a C++ interface to LAPACK routines SGTTRS, DGTTRS, CGTTRS, and ZGTTRS. gttrs solves one of the systems of equations A * X = B, A*T * X = B, or A*H * X = B, with a tridiagonal matrix A using the LU factorization computed by ZGTTRF.

The selection of the LAPACK routine is done during compile-time, and is determined by the type of values contained in type VectorDL. The type of values is obtained through the value_type meta-function typename value_type<VectorDL>::type. The dispatching table below illustrates to which specific routine the code path will be generated.

Definition

Defined in header boost/numeric/bindings/lapack/computational/gttrs.hpp.

Parameters or Requirements on Types

Complexity

Example

#include <boost/numeric/bindings/lapack/computational/gttrs.hpp>
using namespace boost::numeric::bindings;

lapack::gttrs( x, y, z );

this will output

[5] 0 1 2 3 4 5

Notes

See Also