gcc/fortran/arith.h

   1 /* Compiler arithmetic header.
   2    Copyright (C) 2000-2017 Free Software Foundation, Inc.
   3    Contributed by Steven Bosscher
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GFC_ARITH_H
  22 #define GFC_ARITH_H
  23
  24 /* MPFR also does not have the conversion of a mpfr_t to a mpz_t, so declare
  25    a function for this as well.  */
  26
  27 void gfc_mpfr_to_mpz (mpz_t, mpfr_t, locus *);
  28 void gfc_set_model_kind (int);
  29 void gfc_set_model (mpfr_t);
  30
  31 /* Make sure a gfc_expr expression is within its allowed range.  Checks
  32    for overflow and underflow.  */
  33 arith gfc_range_check (gfc_expr *);
  34
  35 int gfc_compare_expr (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  36 int gfc_compare_string (gfc_expr *, gfc_expr *);
  37 int gfc_compare_with_Cstring (gfc_expr *, const char *, bool);
  38
  39
  40 /* Constant folding for gfc_expr trees.  */
  41 gfc_expr *gfc_parentheses (gfc_expr * op);
  42 gfc_expr *gfc_uplus (gfc_expr * op);
  43 gfc_expr *gfc_uminus (gfc_expr * op);
  44 gfc_expr *gfc_add (gfc_expr *, gfc_expr *);
  45 gfc_expr *gfc_subtract (gfc_expr *, gfc_expr *);
  46 gfc_expr *gfc_multiply (gfc_expr *, gfc_expr *);
  47 gfc_expr *gfc_divide (gfc_expr *, gfc_expr *);
  48 gfc_expr *gfc_power (gfc_expr *, gfc_expr *);
  49 gfc_expr *gfc_concat (gfc_expr *, gfc_expr *);
  50 gfc_expr *gfc_and (gfc_expr *, gfc_expr *);
  51 gfc_expr *gfc_or (gfc_expr *, gfc_expr *);
  52 gfc_expr *gfc_not (gfc_expr *);
  53 gfc_expr *gfc_eqv (gfc_expr *, gfc_expr *);
  54 gfc_expr *gfc_neqv (gfc_expr *, gfc_expr *);
  55 gfc_expr *gfc_eq (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  56 gfc_expr *gfc_ne (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  57 gfc_expr *gfc_gt (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  58 gfc_expr *gfc_ge (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  59 gfc_expr *gfc_lt (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  60 gfc_expr *gfc_le (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  61
  62 /* Convert strings to literal constants.  */
  63 gfc_expr *gfc_convert_integer (const char *, int, int, locus *);
  64 gfc_expr *gfc_convert_real (const char *, int, locus *);
  65 gfc_expr *gfc_convert_complex (gfc_expr *, gfc_expr *, int);
  66
  67 /* Convert a constant of one kind to another kind.  */
  68 gfc_expr *gfc_int2int (gfc_expr *, int);
  69 gfc_expr *gfc_int2real (gfc_expr *, int);
  70 gfc_expr *gfc_int2complex (gfc_expr *, int);
  71 gfc_expr *gfc_real2int (gfc_expr *, int);
  72 gfc_expr *gfc_real2real (gfc_expr *, int);
  73 gfc_expr *gfc_real2complex (gfc_expr *, int);
  74 gfc_expr *gfc_complex2int (gfc_expr *, int);
  75 gfc_expr *gfc_complex2real (gfc_expr *, int);
  76 gfc_expr *gfc_complex2complex (gfc_expr *, int);
  77 gfc_expr *gfc_log2log (gfc_expr *, int);
  78 gfc_expr *gfc_log2int (gfc_expr *, int);
  79 gfc_expr *gfc_int2log (gfc_expr *, int);
  80 gfc_expr *gfc_hollerith2int (gfc_expr *, int);
  81 gfc_expr *gfc_hollerith2real (gfc_expr *, int);
  82 gfc_expr *gfc_hollerith2complex (gfc_expr *, int);
  83 gfc_expr *gfc_hollerith2character (gfc_expr *, int);
  84 gfc_expr *gfc_hollerith2logical (gfc_expr *, int);
  85
  86 #endif /* GFC_ARITH_H  */
  87