elpa2_kernels_real.F90 3.41 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,
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!    - Max-Plack-Institut für Mathematik in den Naturwissenschaften,
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!      Leipzig, Abt. Komplexe Strukutren in Biologie und Kognition,
!      and
!    - IBM Deutschland GmbH
!
!
!    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.
!
!
! --------------------------------------------------------------------------------------------------
!
! This file contains the compute intensive kernels for the Householder transformations.
! It should be compiled with the highest possible optimization level.
!
! On Intel use -O3 -xSSE4.2 (or the SSE level fitting to your CPU)
!
! 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".
!
! --------------------------------------------------------------------------------------------------
#include "config-f90.h"
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#ifdef USE_ASSUMED_SIZE
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#define PACK_REAL_TO_COMPLEX
#else
#undef PACK_REAL_TO_COMPLEX
#endif

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#ifndef USE_ASSUMED_SIZE
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module real_generic_kernel

  private
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  public double_hh_trafo_generic_double

#ifdef WANT_SINGLE_PRECISION_REAL
  public double_hh_trafo_generic_single
#endif

  contains
#endif

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#define DOUBLE_PRECISION_REAL 1
#define REAL_DATATYPE rk8
#define COMPLEX_DATATYPE ck8
#include "elpa2_kernels_real_template.X90"
#undef DOUBLE_PRECISION_REAL
#undef REAL_DATATYPE
#undef COMPLEX_DATATYPE
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#ifdef WANT_SINGLE_PRECISION_REAL
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#undef DOUBLE_PRECISION_REAL
#define REAL_DATATYPE rk4
#define COMPLEX_DATATYPE ck4
#include "elpa2_kernels_real_template.X90"
#undef DOUBLE_PRECISION_REAL
#undef REAL_DATATYPE
#undef COMPLEX_DATATYPE
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#endif
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#ifndef USE_ASSUMED_SIZE
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end module real_generic_kernel
#endif
! --------------------------------------------------------------------------------------------------