libgfortran/m4/misc_specifics.m4

   1 include(head.m4)dnl
   2 dnl
   3 dnl This file contains the specific functions that are not handled in the
   4 dnl m4/specific.m4 file.
   5
   6 #include "config.h"
   7 #include "kinds.inc"
   8
   9 dnl This is from GNU m4 examples file foreach.m4:
  10 divert(-1)
  11 # foreach(x, (item_1, item_2, ..., item_n), stmt)
  12 define(`foreach', `pushdef(`$1', `')_foreach(`$1', `$2',
  13 `$3')popdef(`$1')')
  14 define(`_arg1', `$1')
  15 define(`_foreach',
  16         `ifelse(`$2', `()', ,
  17                 `define(`$1', _arg1$2)$3`'_foreach(`$1', (shift$2),
  18 `$3')')')
  19 # traceon(`define', `foreach', `_foreach', `ifelse')
  20 divert
  21
  22 dnl   NINT specifics
  23 foreach(`ikind', `(4, 8, 16)', `foreach(`rkind', `(4, 8, 10, 16)', `
  24 `#if defined (HAVE_GFC_REAL_'rkind`) && defined (HAVE_GFC_INTEGER_'ikind`)'
  25 elemental function _gfortran_specific__nint_`'ikind`_'rkind (parm)
  26    real (kind=rkind) , intent (in) :: parm
  27    integer (kind=ikind) :: _gfortran_specific__nint_`'ikind`_'rkind
  28    _gfortran_specific__nint_`'ikind`_'rkind = nint (parm)
  29 end function
  30 #endif
  31 ')')
  32
  33 dnl   CHAR specifics
  34 foreach(`ckind', `(1)', `foreach(`ikind', `(4, 8, 16)', `
  35 `#if defined (HAVE_GFC_INTEGER_'ikind`)'
  36 elemental function _gfortran_specific__char_`'ckind`_i'ikind (parm)
  37    integer (kind=ikind) , intent (in) :: parm
  38    character (kind=ckind,len=1) :: _gfortran_specific__char_`'ckind`_i'ikind
  39    _gfortran_specific__char_`'ckind`_i'ikind` = char (parm, kind='ckind`)'
  40 end function
  41 #endif
  42 ')')
  43
  44 dnl   LEN specifics
  45 foreach(`ckind', `(1)', `foreach(`ikind', `(4, 8, 16)', `
  46 `#if defined (HAVE_GFC_INTEGER_'ikind`)'
  47 elemental function _gfortran_specific__len_`'ckind`_i'ikind (parm)
  48    character (kind=ckind,len=*) , intent (in) :: parm
  49    integer (kind=ikind) :: _gfortran_specific__len_`'ckind`_i'ikind
  50    _gfortran_specific__len_`'ckind`_i'ikind` = len (parm)'
  51 end function
  52 #endif
  53 ')')
  54
  55 dnl   INDEX specifics
  56 foreach(`ckind', `(1)', `foreach(`ikind', `(4, 8, 16)', `
  57 `#if defined (HAVE_GFC_INTEGER_'ikind`)'
  58 elemental function _gfortran_specific__index_`'ckind`_i'ikind (parm1, parm2)
  59    character (kind=ckind,len=*) , intent (in) :: parm1, parm2
  60    integer (kind=ikind) :: _gfortran_specific__index_`'ckind`_i'ikind
  61    _gfortran_specific__index_`'ckind`_i'ikind` = index (parm1, parm2)'
  62 end function
  63 #endif
  64 ')')