1  /* Copyright (C) 2005-2023 Free Software Foundation, Inc.
       2     Contributed by Janne Blomqvist
       3  
       4  This file is part of the GNU Fortran runtime library (libgfortran).
       5  
       6  Libgfortran is free software; you can redistribute it and/or modify
       7  it under the terms of the GNU General Public License as published by
       8  the Free Software Foundation; either version 3, or (at your option)
       9  any later version.
      10  
      11  Libgfortran is distributed in the hope that it will be useful,
      12  but WITHOUT ANY WARRANTY; without even the implied warranty of
      13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14  GNU General Public License for more details.
      15  
      16  Under Section 7 of GPL version 3, you are granted additional
      17  permissions described in the GCC Runtime Library Exception, version
      18  3.1, as published by the Free Software Foundation.
      19  
      20  You should have received a copy of the GNU General Public License and
      21  a copy of the GCC Runtime Library Exception along with this program;
      22  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      23  <http://www.gnu.org/licenses/>.  */
      24  
      25  
      26  /* This file contains utility functions for determining the size of a
      27     variable given its kind. */
      28  
      29  #include "io.h"
      30  
      31  size_t
      32  size_from_real_kind (int kind)
      33  {
      34    switch (kind)
      35      {
      36  #ifdef HAVE_GFC_REAL_4
      37      case 4:
      38        return sizeof (GFC_REAL_4);
      39  #endif
      40  #ifdef HAVE_GFC_REAL_8
      41      case 8:
      42        return sizeof (GFC_REAL_8);
      43  #endif
      44  #ifdef HAVE_GFC_REAL_10
      45      case 10:
      46        return sizeof (GFC_REAL_10);
      47  #endif
      48  #ifdef HAVE_GFC_REAL_16
      49      case 16:
      50        return sizeof (GFC_REAL_16);
      51  #endif
      52  #ifdef HAVE_GFC_REAL_17
      53      case 17:
      54        return sizeof (GFC_REAL_17);
      55  #endif
      56      default:
      57        return kind;
      58      }
      59  }
      60  
      61  
      62  size_t
      63  size_from_complex_kind (int kind)
      64  {
      65    switch (kind)
      66      {
      67  #ifdef HAVE_GFC_COMPLEX_4
      68      case 4:
      69        return sizeof (GFC_COMPLEX_4);
      70  #endif
      71  #ifdef HAVE_GFC_COMPLEX_8
      72      case 8:
      73        return sizeof (GFC_COMPLEX_8);
      74  #endif
      75  #ifdef HAVE_GFC_COMPLEX_10
      76      case 10:
      77        return sizeof (GFC_COMPLEX_10);
      78  #endif
      79  #ifdef HAVE_GFC_COMPLEX_16
      80      case 16:
      81        return sizeof (GFC_COMPLEX_16);
      82  #endif
      83  #ifdef HAVE_GFC_COMPLEX_17
      84      case 17:
      85        return sizeof (GFC_COMPLEX_17);
      86  #endif
      87      default:
      88        return 2 * kind;
      89      }
      90  }
      91