libgfortran/io/size_from_kind.c

   1 /* Copyright (C) 2005, 2007 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 2, or (at your option)
   9 any later version.
  10
  11 In addition to the permissions in the GNU General Public License, the
  12 Free Software Foundation gives you unlimited permission to link the
  13 compiled version of this file into combinations with other programs,
  14 and to distribute those combinations without any restriction coming
  15 from the use of this file.  (The General Public License restrictions
  16 do apply in other respects; for example, they cover modification of
  17 the file, and distribution when not linked into a combine
  18 executable.)
  19
  20 Libgfortran is distributed in the hope that it will be useful,
  21 but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 GNU General Public License for more details.
  24
  25 You should have received a copy of the GNU General Public License
  26 along with Libgfortran; see the file COPYING.  If not, write to
  27 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  28 Boston, MA 02110-1301, USA.  */
  29
  30
  31 /* This file contains utility functions for determining the size of a
  32    variable given its kind. */
  33
  34 #include "io.h"
  35
  36 size_t
  37 size_from_real_kind (int kind)
  38 {
  39   switch (kind)
  40     {
  41 #ifdef HAVE_GFC_REAL_4
  42     case 4:
  43       return sizeof (GFC_REAL_4);
  44 #endif
  45 #ifdef HAVE_GFC_REAL_8
  46     case 8:
  47       return sizeof (GFC_REAL_8);
  48 #endif
  49 #ifdef HAVE_GFC_REAL_10
  50     case 10:
  51       return sizeof (GFC_REAL_10);
  52 #endif
  53 #ifdef HAVE_GFC_REAL_16
  54     case 16:
  55       return sizeof (GFC_REAL_16);
  56 #endif
  57     default:
  58       return kind;
  59     }
  60 }
  61
  62
  63 size_t
  64 size_from_complex_kind (int kind)
  65 {
  66   switch (kind)
  67     {
  68 #ifdef HAVE_GFC_COMPLEX_4
  69     case 4:
  70       return sizeof (GFC_COMPLEX_4);
  71 #endif
  72 #ifdef HAVE_GFC_COMPLEX_8
  73     case 8:
  74       return sizeof (GFC_COMPLEX_8);
  75 #endif
  76 #ifdef HAVE_GFC_COMPLEX_10
  77     case 10:
  78       return sizeof (GFC_COMPLEX_10);
  79 #endif
  80 #ifdef HAVE_GFC_COMPLEX_16
  81     case 16:
  82       return sizeof (GFC_COMPLEX_16);
  83 #endif
  84     default:
  85       return 2 * kind;
  86     }
  87 }
  88