elpa.F90 4.12 KB
 Andreas Marek committed May 19, 2017 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 ! ! Copyright 2017, L. Hüdepohl and A. Marek, MPCDF ! ! 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 ! ! 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. !  Lorenz Huedepohl committed May 16, 2017 49 50 ! The ELPA public API  Andreas Marek committed May 24, 2017 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83  !> \mainpage !> Eigenvalue SoLvers for Petaflop-Applications (ELPA) !> \par !> http://elpa.mpcdf.mpg.de !> !> \par !> 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 !> !> Some parts and enhancements of ELPA have been contributed and authored !> by the Intel Corporation and Nvidia Corporation which are not part of !> the ELPA consortium. !> !> Contributions to the ELPA source have been authored by (in alphabetical order): !> !> \author T. Auckenthaler, Volker Blum, A. Heinecke, L. Huedepohl, R. Johanni, Werner Jürgens, Pavel Kus, and A. Marek !> !> All the important information is in the \ref elpa_api::elpa_t derived type  Andreas Marek committed May 23, 2017 84 !> \brief Fortran module to use the ELPA library. No other module shoule be used  Lorenz Huedepohl committed May 16, 2017 85 86 module elpa use elpa_constants  Lorenz Huedepohl committed May 22, 2017 87 88  use elpa_api use elpa_mpi  Lorenz Huedepohl committed May 16, 2017 89 90 91 92 93 94  implicit none public contains  Andreas Marek committed May 23, 2017 95 96 97 98  !> \brief function to allocate an ELPA instance !> Parameters !> \details !> \result obj class(elpa_t), pointer : pointer to allocated object  Lorenz Huedepohl committed May 16, 2017 99 100 101 102 103 104  function elpa_allocate() result(obj) use elpa_impl class(elpa_t), pointer :: obj obj => elpa_impl_allocate() end function  Andreas Marek committed May 23, 2017 105 106 107 108  !> \brief function to deallocate an ELPA instance !> Parameters !> \details !> \param obj class(elpa_t), pointer : pointer to object to be destroyed and deallocated  Lorenz Huedepohl committed May 16, 2017 109 110 111 112 113 114 115  subroutine elpa_deallocate(obj) class(elpa_t), pointer :: obj call obj%destroy() deallocate(obj) end subroutine end module