1 /* Compiler arithmetic header.
2 Copyright (C) 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
3 Contributed by Steven Bosscher
5 This file is part of GCC.
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 2, or (at your option) any later
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
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to the Free
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
27 /* Constants calculated during initialization. */
28 extern mpf_t pi
, half_pi
, two_pi
, e
;
30 /* Calculate mathematically interesting functions. */
31 void natural_logarithm (mpf_t
*, mpf_t
*);
32 void common_logarithm (mpf_t
*, mpf_t
*);
33 void exponential (mpf_t
*, mpf_t
*);
34 void sine (mpf_t
*, mpf_t
*);
35 void cosine (mpf_t
*, mpf_t
*);
36 void arctangent (mpf_t
*, mpf_t
*);
37 void arctangent2 (mpf_t
*, mpf_t
*, mpf_t
*);
38 void hypercos (mpf_t
*, mpf_t
*);
39 void hypersine (mpf_t
*, mpf_t
*);
41 /* Return a constant result of a given type and kind, with locus. */
42 gfc_expr
*gfc_constant_result (bt
, int, locus
*);
44 /* Make sure a gfc_expr expression is within its allowed range. Checks
45 for overflow and underflow. */
46 arith
gfc_range_check (gfc_expr
*);
48 int gfc_compare_expr (gfc_expr
*, gfc_expr
*);
49 int gfc_compare_string (gfc_expr
*, gfc_expr
*, const int *);
51 /* Constant folding for gfc_expr trees. */
52 gfc_expr
*gfc_uplus (gfc_expr
* op
);
53 gfc_expr
*gfc_uminus (gfc_expr
* op
);
54 gfc_expr
*gfc_add (gfc_expr
*, gfc_expr
*);
55 gfc_expr
*gfc_subtract (gfc_expr
*, gfc_expr
*);
56 gfc_expr
*gfc_multiply (gfc_expr
*, gfc_expr
*);
57 gfc_expr
*gfc_divide (gfc_expr
*, gfc_expr
*);
58 gfc_expr
*gfc_power (gfc_expr
*, gfc_expr
*);
59 gfc_expr
*gfc_concat (gfc_expr
*, gfc_expr
*);
60 gfc_expr
*gfc_and (gfc_expr
*, gfc_expr
*);
61 gfc_expr
*gfc_or (gfc_expr
*, gfc_expr
*);
62 gfc_expr
*gfc_not (gfc_expr
*);
63 gfc_expr
*gfc_eqv (gfc_expr
*, gfc_expr
*);
64 gfc_expr
*gfc_neqv (gfc_expr
*, gfc_expr
*);
65 gfc_expr
*gfc_eq (gfc_expr
*, gfc_expr
*);
66 gfc_expr
*gfc_ne (gfc_expr
*, gfc_expr
*);
67 gfc_expr
*gfc_gt (gfc_expr
*, gfc_expr
*);
68 gfc_expr
*gfc_ge (gfc_expr
*, gfc_expr
*);
69 gfc_expr
*gfc_lt (gfc_expr
*, gfc_expr
*);
70 gfc_expr
*gfc_le (gfc_expr
*, gfc_expr
*);
72 /* Convert strings to literal constants. */
73 gfc_expr
*gfc_convert_integer (const char *, int, int, locus
*);
74 gfc_expr
*gfc_convert_real (const char *, int, locus
*);
75 gfc_expr
*gfc_convert_complex (gfc_expr
*, gfc_expr
*, int);
77 /* Convert a constant of one kind to another kind. */
78 gfc_expr
*gfc_int2int (gfc_expr
*, int);
79 gfc_expr
*gfc_int2real (gfc_expr
*, int);
80 gfc_expr
*gfc_int2complex (gfc_expr
*, int);
81 gfc_expr
*gfc_real2int (gfc_expr
*, int);
82 gfc_expr
*gfc_real2real (gfc_expr
*, int);
83 gfc_expr
*gfc_real2complex (gfc_expr
*, int);
84 gfc_expr
*gfc_complex2int (gfc_expr
*, int);
85 gfc_expr
*gfc_complex2real (gfc_expr
*, int);
86 gfc_expr
*gfc_complex2complex (gfc_expr
*, int);
87 gfc_expr
*gfc_log2log (gfc_expr
*, int);
89 #endif /* GFC_ARITH_H */