LapackAPIWrapper.h

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/******************************************************************************
 * Copyright (c) 2021.                                                        *
 * The Regents of the University of Michigan and DFT-EFE developers.          *
 *                                                                            *
 * This file is part of the DFT-EFE code.                                     *
 *                                                                            *
 * DFT-EFE is free software: you can redistribute it and/or modify            *
 *   it under the terms of the Lesser GNU General Public License as           *
 *   published by the Free Software Foundation, either version 3 of           *
 *   the License, or (at your option) any later version.                      *
 *                                                                            *
 * DFT-EFE is distributed in the hope that it will be useful, but             *
 *   WITHOUT ANY WARRANTY; without even the implied warranty                  *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                     *
 *   See the Lesser GNU General Public License for more details.              *
 *                                                                            *
 * You should have received a copy of the GNU Lesser General Public           *
 *   License at the top level of DFT-EFE distribution.  If not, see           *
 *   <https://www.gnu.org/licenses/>.                                         *
 ******************************************************************************/
 
/*
 * @author Avirup Sircar
 */
 
#ifndef LAPACKWrapper_h
#define LAPACKWrapper_h
 
#include <cmath>
#include <linearAlgebra/LinAlgOpContext.h>
#include <utils/TypeConfig.h>
#include <linearAlgebra/BlasLapackTypedef.h>
namespace dftefe
{
  namespace linearAlgebra
  {
    namespace blasLapack
    {
      namespace lapackWrapper
      {
        template <typename ValueType>
        int
        getrf(const int          m,
              const int          n,
              ValueType *        A,
              const unsigned int lda,
              int *              ipiv);
 
        template <typename ValueType>
        int
        getri(const int N, ValueType *A, const unsigned int lda, int *ipiv);
 
        template <typename ValueType>
        int
        trtri(const char         uplo,
              const char         diag,
              const unsigned int n,
              ValueType *        a,
              const unsigned int lda);
 
        template <typename ValueType>
        int
        potrf(const char         uplo,
              const unsigned int n,
              ValueType *        a,
              const unsigned int lda);
 
        template <typename ValueType>
        int
        steqr(const char            jobz,
              const unsigned int    n,
              real_type<ValueType> *D,
              real_type<ValueType> *E,
              ValueType *           Z,
              const unsigned int    lda);
 
 
        template <typename ValueType>
        int
        heevd(const char         jobz,
              const char         uplo,
              const unsigned int n,
              ValueType *        A,
              const unsigned int lda,
              double *           w);
 
        template <typename ValueType>
        int
        hegv(const int          itype,
             const char         jobz,
             const char         uplo,
             const unsigned int n,
             ValueType *        A,
             const unsigned int lda,
             ValueType *        B,
             const unsigned int ldb,
             double *           w);
 
        template <typename ValueType>
        int
        gesv(const unsigned int n,
             const unsigned int nrhs,
             ValueType *        A,
             const unsigned int lda,
             int *              ipiv,
             ValueType *        B,
             const unsigned int ldb);
      } // namespace lapackWrapper
 
    } // namespace blasLapack
  }   // end of namespace linearAlgebra
 
} // end of namespace dftefe
 
 
#endif // LAPACKWrapper_h