pocon.h (flens/lapack/po/pocon.h)

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/*
*   Copyright (c) 2012, Michael Lehn
*
*   All rights reserved.
*
*   Redistribution and use in source and binary forms, with or without
*   modification, are permitted provided that the following conditions
*   are met:
*
*   1) Redistributions of source code must retain the above copyright
*      notice, this list of conditions and the following disclaimer.
*   2) Redistributions in binary form must reproduce the above copyright
*      notice, this list of conditions and the following disclaimer in
*      the documentation and/or other materials provided with the
*      distribution.
*   3) Neither the name of the FLENS development group nor the names of
*      its contributors may be used to endorse or promote products derived
*      from this software without specific prior written permission.
*
*   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
*   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
*   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
*   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
*   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
*   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
*   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
*   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
*   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
*   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
*   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/* Based on
*
       SUBROUTINE DPOCON( UPLO, N, A, LDA, ANORM, RCOND, WORK, IWORK, INFO )
       SUBROUTINE ZPOCON( UPLO, N, A, LDA, ANORM, RCOND, WORK, RWORK, INFO )
*
*  -- LAPACK routine (version 3.3.1) --
*  -- LAPACK is a software package provided by Univ. of Tennessee,    --
*  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
*  -- April 2011                                                      --
*/

#ifndef FLENS_LAPACK_PO_POCON_H
#define FLENS_LAPACK_PO_POCON_H 1

#include <flens/lapack/typedefs.h>
#include <flens/matrixtypes/matrixtypes.h>
#include <flens/vectortypes/vectortypes.h>

namespace flens { namespace lapack {

//== (po)con ===================================================================
//
//  Real variant
//
template <typename MA, typename NORMA, typename RCOND,
          typename VWORK, typename VIWORK>
    typename RestrictTo<IsRealSyMatrix<MA>::value
                     && IsNotComplex<NORMA>::value
                     && IsNotComplex<RCOND>::value
                     && IsRealDenseVector<VWORK>::value
                     && IsIntegerDenseVector<VIWORK>::value,
             void>::Type
    pocon(const MA      &A,
          const NORMA   &normA,
          RCOND         &rCond,
          VWORK         &&work,
          VIWORK        &&iwork);

#ifdef USE_CXXLAPACK

//
//  Complex variant
//
template <typename MA, typename NORMA, typename RCOND,
          typename VWORK, typename VRWORK>
    typename RestrictTo<IsHeMatrix<MA>::value
                     && IsNotComplex<NORMA>::value
                     && IsNotComplex<RCOND>::value
                     && IsComplexDenseVector<VWORK>::value
                     && IsRealDenseVector<VRWORK>::value,
             void>::Type
    con(Norm         norm,
        const MA     &A,
        const NORMA  &normA,
        RCOND        &rCond,
        VWORK        &&work,
        VRWORK       &&rwork);

#endif // USE_CXXLAPACK

} } // namespace lapack, flens

#endif // FLENS_LAPACK_PO_POCON_H