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- /* Decimal floating point support functions for GNU compiler.
- Copyright (C) 2005-2019 Free Software Foundation, Inc.
- This file is part of GCC.
- 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 3, or (at your option) any later
- version.
- GCC 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 GCC; see the file COPYING3. If not see
- <http://www.gnu.org/licenses/>. */
- #ifndef GCC_DFP_H
- #define GCC_DFP_H
- /* Encode REAL_VALUE_TYPEs into 32/64/128-bit IEEE 754 encoded values. */
- void encode_decimal32 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
- void encode_decimal64 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
- void decode_decimal128 (const struct real_format *, REAL_VALUE_TYPE *, const long *);
- /* Decode 32/64/128-bit IEEE 754 encoded values into REAL_VALUE_TYPEs. */
- void decode_decimal32 (const struct real_format *, REAL_VALUE_TYPE *, const long *);
- void decode_decimal64 (const struct real_format *, REAL_VALUE_TYPE *, const long *);
- void encode_decimal128 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
- /* Arithmetic and conversion functions. */
- int decimal_do_compare (const REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *, int);
- void decimal_real_from_string (REAL_VALUE_TYPE *, const char *);
- void decimal_round_for_format (const struct real_format *, REAL_VALUE_TYPE *);
- void decimal_real_convert (REAL_VALUE_TYPE *, const real_format *,
- const REAL_VALUE_TYPE *);
- void decimal_real_to_decimal (char *, const REAL_VALUE_TYPE *, size_t, size_t, int);
- void decimal_do_fix_trunc (REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *);
- void decimal_real_maxval (REAL_VALUE_TYPE *, int, machine_mode);
- wide_int decimal_real_to_integer (const REAL_VALUE_TYPE *, bool *, int);
- HOST_WIDE_INT decimal_real_to_integer (const REAL_VALUE_TYPE *);
- #ifdef TREE_CODE
- bool decimal_real_arithmetic (REAL_VALUE_TYPE *, enum tree_code, const REAL_VALUE_TYPE *,
- const REAL_VALUE_TYPE *);
- #endif
- #endif /* GCC_DFP_H */
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