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/* Decimal floating point support functions for GNU compiler.
/* Decimal floating point support functions for GNU compiler.
   Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
   Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
 
 
This file is part of GCC.
This file is part of GCC.
 
 
GCC is free software; you can redistribute it and/or modify it under
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
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
Software Foundation; either version 3, or (at your option) any later
version.
version.
 
 
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.
for more details.
 
 
You should have received a copy of the GNU General Public License
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */
<http://www.gnu.org/licenses/>.  */
 
 
#ifndef GCC_DFP_H
#ifndef GCC_DFP_H
#define GCC_DFP_H
#define GCC_DFP_H
 
 
/* Encode REAL_VALUE_TYPEs into 32/64/128-bit IEEE 754R encoded values.  */
/* Encode REAL_VALUE_TYPEs into 32/64/128-bit IEEE 754R encoded values.  */
void encode_decimal32  (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
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 encode_decimal64  (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
void decode_decimal128 (const struct real_format *, REAL_VALUE_TYPE *, const long *);
void decode_decimal128 (const struct real_format *, REAL_VALUE_TYPE *, const long *);
 
 
/* Decode 32/64/128-bit IEEE 754R encoded values into REAL_VALUE_TYPEs.  */
/* Decode 32/64/128-bit IEEE 754R encoded values into REAL_VALUE_TYPEs.  */
void decode_decimal32  (const struct real_format *, REAL_VALUE_TYPE *, const long *);
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 decode_decimal64  (const struct real_format *, REAL_VALUE_TYPE *, const long *);
void encode_decimal128 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
void encode_decimal128 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *);
 
 
/* Arithmetic and conversion functions.  */
/* Arithmetic and conversion functions.  */
int  decimal_do_compare (const REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *, int);
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_real_from_string (REAL_VALUE_TYPE *, const char *);
void decimal_round_for_format (const struct real_format *, REAL_VALUE_TYPE *);
void decimal_round_for_format (const struct real_format *, REAL_VALUE_TYPE *);
void decimal_real_convert (REAL_VALUE_TYPE *, enum machine_mode, const REAL_VALUE_TYPE *);
void decimal_real_convert (REAL_VALUE_TYPE *, enum machine_mode, const REAL_VALUE_TYPE *);
void decimal_real_to_decimal (char *, const REAL_VALUE_TYPE *, size_t, size_t, int);
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_do_fix_trunc (REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *);
bool decimal_real_arithmetic (REAL_VALUE_TYPE *, enum tree_code, const REAL_VALUE_TYPE *,
bool decimal_real_arithmetic (REAL_VALUE_TYPE *, enum tree_code, const REAL_VALUE_TYPE *,
                              const REAL_VALUE_TYPE *);
                              const REAL_VALUE_TYPE *);
void decimal_real_maxval (REAL_VALUE_TYPE *, int, enum machine_mode);
void decimal_real_maxval (REAL_VALUE_TYPE *, int, enum machine_mode);
void decimal_real_to_integer2 (HOST_WIDE_INT *, HOST_WIDE_INT *, const REAL_VALUE_TYPE *);
void decimal_real_to_integer2 (HOST_WIDE_INT *, HOST_WIDE_INT *, const REAL_VALUE_TYPE *);
HOST_WIDE_INT decimal_real_to_integer (const REAL_VALUE_TYPE *);
HOST_WIDE_INT decimal_real_to_integer (const REAL_VALUE_TYPE *);
 
 
#endif /* GCC_DFP_H */
#endif /* GCC_DFP_H */
 
 

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