/* Floating point definitions for GDB.
- Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2005, 2006
+ Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1997, 1998, 1999, 2000, 2001, 2003, 2005, 2006, 2007, 2008
Free Software Foundation, Inc.
This file is part of GDB.
This program 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 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef DOUBLEST_H
#define DOUBLEST_H
#if (defined HAVE_LONG_DOUBLE && defined PRINTF_HAS_LONG_DOUBLE \
&& defined SCANF_HAS_LONG_DOUBLE)
typedef long double DOUBLEST;
-# define DOUBLEST_PRINT_FORMAT "%Lg"
-# define DOUBLEST_SCAN_FORMAT "%Lg"
+# define DOUBLEST_PRINT_FORMAT "Lg"
+# define DOUBLEST_SCAN_FORMAT "Lg"
#else
typedef double DOUBLEST;
-# define DOUBLEST_PRINT_FORMAT "%g"
-# define DOUBLEST_SCAN_FORMAT "%lg"
+# define DOUBLEST_PRINT_FORMAT "g"
+# define DOUBLEST_SCAN_FORMAT "lg"
/* If we can't scan or print long double, we don't want to use it
anywhere. */
# undef HAVE_LONG_DOUBLE
# undef SCANF_HAS_LONG_DOUBLE
#endif
+/* Different kinds of floatformat numbers recognized by
+ floatformat_classify. To avoid portability issues, we use local
+ values instead of the C99 macros (FP_NAN et cetera). */
+enum float_kind {
+ float_nan,
+ float_infinite,
+ float_zero,
+ float_normal,
+ float_subnormal
+};
+
extern void floatformat_to_doublest (const struct floatformat *,
const void *in, DOUBLEST *out);
extern void floatformat_from_doublest (const struct floatformat *,
extern int floatformat_is_negative (const struct floatformat *,
const bfd_byte *);
-extern int floatformat_is_nan (const struct floatformat *, const bfd_byte *);
+extern enum float_kind floatformat_classify (const struct floatformat *,
+ const bfd_byte *);
extern const char *floatformat_mantissa (const struct floatformat *,
const bfd_byte *);
const struct type *from_type,
void *to, const struct type *to_type);
-/* Table of convenient float-formats. */
-extern const struct floatformat *floatformat_ieee_single[BFD_ENDIAN_UNKNOWN];
-extern const struct floatformat *floatformat_ieee_double[BFD_ENDIAN_UNKNOWN];
-extern const struct floatformat *floatformat_ieee_quad[BFD_ENDIAN_UNKNOWN];
-extern const struct floatformat *floatformat_arm_ext[BFD_ENDIAN_UNKNOWN];
-extern const struct floatformat *floatformat_ia64_spill[BFD_ENDIAN_UNKNOWN];
-
#endif