elpa_solve_tridi_impl_public.X90 3.16 KB
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!    This file is part of ELPA.
!
!    The ELPA library was originally created by the ELPA consortium,
!    consisting of the following organizations:
!
!    - Max Planck Computing and Data Facility (MPCDF), formerly known as
!      Rechenzentrum Garching der Max-Planck-Gesellschaft (RZG),
!    - Bergische Universität Wuppertal, Lehrstuhl für angewandte
!      Informatik,
!    - Technische Universität München, Lehrstuhl für Informatik mit
!      Schwerpunkt Wissenschaftliches Rechnen ,
!    - Fritz-Haber-Institut, Berlin, Abt. Theorie,
!    - Max-Plack-Institut für Mathematik in den Naturwissenschaften,
!      Leipzig, Abt. Komplexe Strukutren in Biologie und Kognition,
!      and
!    - IBM Deutschland GmbH
!
!    This particular source code file contains additions, changes and
!    enhancements authored by Intel Corporation which is not part of
!    the ELPA consortium.
!
!    More information can be found here:
!    http://elpa.mpcdf.mpg.de/
!
!    ELPA is free software: you can redistribute it and/or modify
!    it under the terms of the version 3 of the license of the
!    GNU Lesser General Public License as published by the Free
!    Software Foundation.
!
!    ELPA is distributed in the hope that it will be useful,
!    but WITHOUT ANY WARRANTY; without even the implied warranty of
!    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
!    GNU Lesser General Public License for more details.
!
!    You should have received a copy of the GNU Lesser General Public License
!    along with ELPA.  If not, see <http://www.gnu.org/licenses/>
!
!    ELPA reflects a substantial effort on the part of the original
!    ELPA consortium, and we ask you to respect the spirit of the
!    license that we chose: i.e., please contribute any changes you
!    may have back to the original ELPA library distribution, and keep
!    any derivatives of ELPA under the same license that we chose for
!    the original distribution, the GNU Lesser General Public License.
!
!
! ELPA1 -- Faster replacements for ScaLAPACK symmetric eigenvalue routines
!
! Copyright of the original code rests with the authors inside the ELPA
! consortium. The copyright of any additional modifications shall rest
! with their original authors, but shall adhere to the licensing terms
! distributed along with the original code in the file "COPYING".
!
! Author: A. Marek, MPCDF



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#include "../general/sanity.X90"
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      use elpa1_compute, solve_tridi_&
                         &PRECISION&
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			 &_private_impl => solve_tridi_&
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			 &PRECISION&
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			 &_impl
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      use precision

      implicit none
      integer(kind=ik)         :: na, nev, ldq, nblk, matrixCols, mpi_comm_rows, mpi_comm_cols
      real(kind=REAL_DATATYPE) :: d(na), e(na)
#ifdef USE_ASSUMED_SIZE
      real(kind=REAL_DATATYPE) :: q(ldq,*)
#else
      real(kind=REAL_DATATYPE) :: q(ldq,matrixCols)
#endif

      logical, intent(in)      :: wantDebug
      logical :: success

      success = .false.

      call solve_tridi_&
      &PRECISION&
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      &_private_impl(na, nev, d, e, q, ldq, nblk, matrixCols, &
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               mpi_comm_rows, mpi_comm_cols, wantDebug, success)

#undef REALCASE
#undef COMPLEXCASE
#undef DOUBLE_PRECISION
#undef SINGLE_PRECISION