tbtrs

Prototype

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

tbtrs( const int_t kd, const MatrixAB& ab, MatrixB& b );

Description

tbtrs (short for $FRIENDLY_NAME) provides a C++ interface to LAPACK routines STBTRS, DTBTRS, CTBTRS, and ZTBTRS. tbtrs solves a triangular system of the form

A * X = B, A*T * X = B, or A*H * X = B,

where A is a triangular band matrix of order N, and B is an N-by-NRHS matrix. A check is made to verify that A is nonsingular.

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

Table 1.298. Dispatching of tbtrs

Value type of MatrixAB	LAPACK routine
`float`	STBTRS
`double`	DTBTRS
`complex<float>`	CTBTRS
`complex<double>`	ZTBTRS

Definition

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

Parameters or Requirements on Types

Parameters

MatrixA

The definition of term 1

MatrixB

The definition of term 2

MatrixC

The definition of term 3.

Definitions may contain paragraphs.

Complexity

Example

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

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

this will output

[5] 0 1 2 3 4 5