GCC 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
+ Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING. If not, write to the Free
- Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with GCC; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
#ifndef GCC_REAL_H
#define GCC_REAL_H
/* Determine whether a floating-point value X is a NaN. */
extern bool real_isnan (const REAL_VALUE_TYPE *);
+/* Determine whether a floating-point value X is finite. */
+extern bool real_isfinite (const REAL_VALUE_TYPE *);
+
/* Determine whether a floating-point value X is negative. */
extern bool real_isneg (const REAL_VALUE_TYPE *);
/* Function to return a real value (not a tree node)
from a given integer constant. */
-REAL_VALUE_TYPE real_value_from_int_cst (tree, tree);
+REAL_VALUE_TYPE real_value_from_int_cst (const_tree, const_tree);
/* Given a CONST_DOUBLE in FROM, store into TO the value it represents. */
#define REAL_VALUE_FROM_CONST_DOUBLE(to, from) \
/* Check whether the real constant value given is an integer. */
extern bool real_isinteger (const REAL_VALUE_TYPE *c, enum machine_mode mode);
+/* Write into BUF the maximum representable finite floating-point
+ number, (1 - b**-p) * b**emax for a given FP format FMT as a hex
+ float string. BUF must be large enough to contain the result. */
+extern void get_max_float (const struct real_format *, char *, size_t);
#endif /* ! GCC_REAL_H */