Merge tree-ssa-20020619-branch into mainline.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@81764 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 91 insertions, 0 deletions

diff --git a/gcc/fortran/arith.h b/gcc/fortran/arith.h
new file mode 100644
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--- /dev/null
+++ b/gcc/fortran/arith.h
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+/* 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  */
+