gcc/fortran/arith.h

   1 /* Compiler arithmetic header.
   2    Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008
   3    Free Software Foundation, Inc.
   4    Contributed by Steven Bosscher
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify it under
   9 the terms of the GNU General Public License as published by the Free
  10 Software Foundation; either version 3, or (at your option) any later
  11 version.
  12
  13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22 #ifndef GFC_ARITH_H
  23 #define GFC_ARITH_H
  24
  25 #include "gfortran.h"
  26
  27 /* MPFR also does not have the conversion of a mpfr_t to a mpz_t, so declare
  28    a function for this as well.  */
  29
  30 void gfc_mpfr_to_mpz (mpz_t, mpfr_t, locus *);
  31 void gfc_set_model_kind (int);
  32 void gfc_set_model (mpfr_t);
  33
  34 /* Return a constant result of a given type and kind, with locus.  */
  35 gfc_expr *gfc_constant_result (bt, int, locus *);
  36
  37 /* Make sure a gfc_expr expression is within its allowed range.  Checks
  38    for overflow and underflow.  */
  39 arith gfc_range_check (gfc_expr *);
  40
  41 int gfc_compare_expr (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  42 int gfc_compare_string (gfc_expr *, gfc_expr *);
  43 int gfc_compare_with_Cstring (gfc_expr *, const char *, bool);
  44
  45
  46 /* Constant folding for gfc_expr trees.  */
  47 gfc_expr *gfc_parentheses (gfc_expr * op);
  48 gfc_expr *gfc_uplus (gfc_expr * op);
  49 gfc_expr *gfc_uminus (gfc_expr * op);
  50 gfc_expr *gfc_add (gfc_expr *, gfc_expr *);
  51 gfc_expr *gfc_subtract (gfc_expr *, gfc_expr *);
  52 gfc_expr *gfc_multiply (gfc_expr *, gfc_expr *);
  53 gfc_expr *gfc_divide (gfc_expr *, gfc_expr *);
  54 gfc_expr *gfc_power (gfc_expr *, gfc_expr *);
  55 gfc_expr *gfc_concat (gfc_expr *, gfc_expr *);
  56 gfc_expr *gfc_and (gfc_expr *, gfc_expr *);
  57 gfc_expr *gfc_or (gfc_expr *, gfc_expr *);
  58 gfc_expr *gfc_not (gfc_expr *);
  59 gfc_expr *gfc_eqv (gfc_expr *, gfc_expr *);
  60 gfc_expr *gfc_neqv (gfc_expr *, gfc_expr *);
  61 gfc_expr *gfc_eq (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  62 gfc_expr *gfc_ne (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  63 gfc_expr *gfc_gt (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  64 gfc_expr *gfc_ge (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  65 gfc_expr *gfc_lt (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  66 gfc_expr *gfc_le (gfc_expr *, gfc_expr *, gfc_intrinsic_op);
  67
  68 /* Convert strings to literal constants.  */
  69 gfc_expr *gfc_convert_integer (const char *, int, int, locus *);
  70 gfc_expr *gfc_convert_real (const char *, int, locus *);
  71 gfc_expr *gfc_convert_complex (gfc_expr *, gfc_expr *, int);
  72
  73 /* Convert a constant of one kind to another kind.  */
  74 gfc_expr *gfc_int2int (gfc_expr *, int);
  75 gfc_expr *gfc_int2real (gfc_expr *, int);
  76 gfc_expr *gfc_int2complex (gfc_expr *, int);
  77 gfc_expr *gfc_real2int (gfc_expr *, int);
  78 gfc_expr *gfc_real2real (gfc_expr *, int);
  79 gfc_expr *gfc_real2complex (gfc_expr *, int);
  80 gfc_expr *gfc_complex2int (gfc_expr *, int);
  81 gfc_expr *gfc_complex2real (gfc_expr *, int);
  82 gfc_expr *gfc_complex2complex (gfc_expr *, int);
  83 gfc_expr *gfc_log2log (gfc_expr *, int);
  84 gfc_expr *gfc_log2int (gfc_expr *, int);
  85 gfc_expr *gfc_int2log (gfc_expr *, int);
  86 gfc_expr *gfc_hollerith2int (gfc_expr *, int);
  87 gfc_expr *gfc_hollerith2real (gfc_expr *, int);
  88 gfc_expr *gfc_hollerith2complex (gfc_expr *, int);
  89 gfc_expr *gfc_hollerith2character (gfc_expr *, int);
  90 gfc_expr *gfc_hollerith2logical (gfc_expr *, int);
  91
  92 #endif /* GFC_ARITH_H  */
  93