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/*
 *   Copyright (c) 2011, 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 DGESVX( FACT, TRANS, N, NRHS, A, LDA, AF, LDAF, IPIV,
      $                   EQUED, R, C, B, LDB, X, LDX, RCOND, FERR, BERR,
      $                   WORK, IWORK, INFO )
 *
 *  -- LAPACK driver routine (version 3.2) --
 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
 *     November 2006
 */

#ifndef FLENS_LAPACK_GE_SVX_H
#define FLENS_LAPACK_GE_SVX_H 1

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

namespace flens { namespace lapack {

namespace SVX {

    enum Fact {
        Factored    = 'F',
        NotFactored = 'N',
        Equilibrate = 'E'
    };

    enum Equilibration {
        None    = 'N',
        Row     = 'R',
        Column  = 'C',
        Both    = 'B'
    };

}

//== (ge)svx ===================================================================
template <typename MA, typename MAF, typename VPIV, typename VR, typename VC,
          typename MB, typename MX, typename RCOND, typename FERR,
          typename BERR, typename VWORK, typename VIWORK>
    typename GeMatrix<MA>::IndexType
    svx(SVX::Fact           fact,
        Transpose           trans,
        GeMatrix<MA>        &A,
        GeMatrix<MAF>       &AF,
        DenseVector<VPIV>   &piv,
        SVX::Equilibration  equed,
        DenseVector<VR>     &r,
        DenseVector<VC>     &c,
        GeMatrix<MB>        &B,
        GeMatrix<MX>        &X,
        RCOND               &rCond,
        DenseVector<FERR>   &fErr,
        DenseVector<BERR>   &bErr,
        DenseVector<VWORK>  &work,
        DenseVector<VIWORK> &iwork);

//-- forwarding ----------------------------------------------------------------

} } // namespace lapack, flens

#endif // FLENS_LAPACK_GE_SVX_H