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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [dfp.h] - Rev 400
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/* Decimal floating point support functions for GNU compiler. Copyright (C) 2005, 2006, 2007, 2008 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 *, enum machine_mode, 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, enum machine_mode); 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 *); #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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