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Diffstat (limited to 'gcc/fortran/arith.h')
| -rw-r--r-- | gcc/fortran/arith.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/gcc/fortran/arith.h b/gcc/fortran/arith.h new file mode 100644 index 00000000000..3e629eee57f --- /dev/null +++ b/gcc/fortran/arith.h @@ -0,0 +1,91 @@ +/* Compiler arithmetic header. + Copyright (C) 2000, 2001. 2002 Free Software Foundation, Inc. + Contributed by Steven Bosscher + +This file is part of GNU G95. + +GNU G95 is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU G95 is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU G95; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + + +#ifndef GFC_ARITH_H +#define GFC_ARITH_H + +#include "gfortran.h" + +/* Constants calculated during initialization. */ +extern mpf_t pi, half_pi, two_pi, e; + +/* Calculate mathematically interesting functions. */ +void natural_logarithm (mpf_t *, mpf_t *); +void common_logarithm (mpf_t *, mpf_t *); +void exponential (mpf_t *, mpf_t *); +void sine (mpf_t *, mpf_t *); +void cosine (mpf_t *, mpf_t *); +void arctangent (mpf_t *, mpf_t *); +void arctangent2 (mpf_t *, mpf_t *, mpf_t *); +void hypercos (mpf_t *, mpf_t *); +void hypersine (mpf_t *, mpf_t *); + +/* Return a constant result of a given type and kind, with locus. */ +gfc_expr *gfc_constant_result (bt, int, locus *); + +/* Make sure a gfc_expr expression is within its allowed range. Checks + for overflow and underflow. */ +arith gfc_range_check (gfc_expr *); + +int gfc_compare_expr (gfc_expr *, gfc_expr *); +int gfc_compare_string (gfc_expr *, gfc_expr *, const int *); + +/* Constant folding for gfc_expr trees. */ +gfc_expr *gfc_uplus (gfc_expr * op); +gfc_expr *gfc_uminus (gfc_expr * op); +gfc_expr *gfc_add (gfc_expr *, gfc_expr *); +gfc_expr *gfc_subtract (gfc_expr *, gfc_expr *); +gfc_expr *gfc_multiply (gfc_expr *, gfc_expr *); +gfc_expr *gfc_divide (gfc_expr *, gfc_expr *); +gfc_expr *gfc_power (gfc_expr *, gfc_expr *); +gfc_expr *gfc_concat (gfc_expr *, gfc_expr *); +gfc_expr *gfc_and (gfc_expr *, gfc_expr *); +gfc_expr *gfc_or (gfc_expr *, gfc_expr *); +gfc_expr *gfc_not (gfc_expr *); +gfc_expr *gfc_eqv (gfc_expr *, gfc_expr *); +gfc_expr *gfc_neqv (gfc_expr *, gfc_expr *); +gfc_expr *gfc_eq (gfc_expr *, gfc_expr *); +gfc_expr *gfc_ne (gfc_expr *, gfc_expr *); +gfc_expr *gfc_gt (gfc_expr *, gfc_expr *); +gfc_expr *gfc_ge (gfc_expr *, gfc_expr *); +gfc_expr *gfc_lt (gfc_expr *, gfc_expr *); +gfc_expr *gfc_le (gfc_expr *, gfc_expr *); + +/* Convert strings to literal constants. */ +gfc_expr *gfc_convert_integer (const char *, int, int, locus *); +gfc_expr *gfc_convert_real (const char *, int, locus *); +gfc_expr *gfc_convert_complex (gfc_expr *, gfc_expr *, int); + +/* Convert a constant of one kind to another kind. */ +gfc_expr *gfc_int2int (gfc_expr *, int); +gfc_expr *gfc_int2real (gfc_expr *, int); +gfc_expr *gfc_int2complex (gfc_expr *, int); +gfc_expr *gfc_real2int (gfc_expr *, int); +gfc_expr *gfc_real2real (gfc_expr *, int); +gfc_expr *gfc_real2complex (gfc_expr *, int); +gfc_expr *gfc_complex2int (gfc_expr *, int); +gfc_expr *gfc_complex2real (gfc_expr *, int); +gfc_expr *gfc_complex2complex (gfc_expr *, int); +gfc_expr *gfc_log2log (gfc_expr *, int); + +#endif /* GFC_ARITH_H */ + |