106 lines
2.8 KiB
C
106 lines
2.8 KiB
C
/* Copyright (C) 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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#include "bid_conf.h"
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#include "bid_functions.h"
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#if DECIMAL_GLOBAL_ROUNDING
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_IDEC_round __bid_IDEC_glbround = ROUNDING_TO_NEAREST;
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void
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__dfp_set_round (int mode)
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{
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__bid_IDEC_glbround = mode;
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}
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int
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__dfp_get_round (void)
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{
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return __bid_IDEC_glbround;
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}
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#endif
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#if DECIMAL_GLOBAL_EXCEPTION_FLAGS
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_IDEC_flags __bid_IDEC_glbflags = EXACT_STATUS;
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#include <fenv.h>
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void
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__dfp_clear_except (void)
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{
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__bid_IDEC_glbflags &= ~FLAG_MASK;
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}
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int
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__dfp_test_except (int mask)
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{
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int flags = 0;
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if ((__bid_IDEC_glbflags & INEXACT_EXCEPTION) != 0)
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flags |= mask & FE_INEXACT;
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if ((__bid_IDEC_glbflags & UNDERFLOW_EXCEPTION) != 0)
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flags |= mask & FE_UNDERFLOW;
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if ((__bid_IDEC_glbflags & OVERFLOW_EXCEPTION) != 0)
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flags |= mask & FE_OVERFLOW;
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if ((__bid_IDEC_glbflags & ZERO_DIVIDE_EXCEPTION) != 0)
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flags |= mask & FE_DIVBYZERO;
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if ((__bid_IDEC_glbflags & INVALID_EXCEPTION) != 0)
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flags |= mask & FE_INVALID;
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return flags;
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}
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void
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__dfp_raise_except (int mask)
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{
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_IDEC_flags flags = 0;
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if ((mask & FE_INEXACT) != 0)
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flags |= INEXACT_EXCEPTION;
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if ((mask & FE_UNDERFLOW) != 0)
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flags |= UNDERFLOW_EXCEPTION;
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if ((mask & FE_OVERFLOW) != 0)
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flags |= OVERFLOW_EXCEPTION;
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if ((mask & FE_DIVBYZERO) != 0)
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flags |= ZERO_DIVIDE_EXCEPTION;
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if ((mask & FE_INVALID) != 0)
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flags |= INVALID_EXCEPTION;
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__bid_IDEC_glbflags |= flags;
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}
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#endif
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#if DECIMAL_ALTERNATE_EXCEPTION_HANDLING
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#if DECIMAL_GLOBAL_EXCEPTION_MASKS
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_IDEC_exceptionmasks _IDEC_glbexceptionmasks = _IDEC_allexcmasksset;
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#endif
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#if DECIMAL_GLOBAL_EXCEPTION_INFO
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_IDEC_excepthandling _IDEC_glbexcepthandling;
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#endif
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#endif
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