| /* Copyright (C) 2007 |
| 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 2, 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 COPYING. If not, write to the Free |
| Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301, USA. */ |
| |
| /* As a special exception, if you link this library with other files, |
| some of which are compiled with GCC, to produce an executable, |
| this library does not by itself cause the resulting executable |
| to be covered by the GNU General Public License. |
| This exception does not however invalidate any other reasons why |
| the executable file might be covered by the GNU General Public License. */ |
| |
| #define decimal128FromString __dpd128FromString |
| #define decimal128ToString __dpd128ToString |
| #define decimal128ToEngString __dpd128ToEngString |
| #define decimal128FromNumber __dpd128FromNumber |
| #define decimal128ToNumber __dpd128ToNumber |
| |
| #include "dpd/decimal128.c" |
| |
| #undef decimal128FromString |
| #undef decimal128ToString |
| #undef decimal128ToEngString |
| #undef decimal128FromNumber |
| #undef decimal128ToNumber |
| |
| #include "bid-dpd.h" |
| |
| #ifdef IN_LIBGCC2 |
| #define decimal128FromString __decimal128FromString |
| #define decimal128ToString __decimal128ToString |
| #define decimal128ToEngString __decimal128ToEngString |
| #define decimal128FromNumber __decimal128FromNumber |
| #define decimal128ToNumber __decimal128ToNumber |
| #endif |
| |
| decimal128 *decimal128FromString (decimal128 *, const char *, decContext *); |
| char *decimal128ToString (const decimal128 *, char *); |
| char *decimal128ToEngString (const decimal128 *, char *); |
| decimal128 *decimal128FromNumber (decimal128 *, const decNumber *, decContext *); |
| decNumber *decimal128ToNumber (const decimal128 *, decNumber *); |
| |
| void __host_to_ieee_128 (_Decimal128 in, decimal128 *out); |
| void __ieee_to_host_128 (decimal128 in, _Decimal128 *out); |
| |
| decimal128 * |
| decimal128FromNumber (decimal128 *d128, const decNumber *dn, |
| decContext *set) |
| { |
| /* decimal128 and _Decimal128 are different types. */ |
| union |
| { |
| _Decimal128 _Dec; |
| decimal128 dec; |
| } u; |
| |
| __dpd128FromNumber (d128, dn, set); |
| |
| /* __dpd128FromNumber returns in big endian. But _dpd_to_bid128 takes |
| host endian. */ |
| __ieee_to_host_128 (*d128, &u._Dec); |
| |
| /* Convert DPD to BID. */ |
| _dpd_to_bid128 (&u._Dec, &u._Dec); |
| |
| /* dfp.c is in bid endian. */ |
| __host_to_ieee_128 (u._Dec, &u.dec); |
| |
| /* d128 is returned as a pointer to _Decimal128 here. */ |
| *d128 = u.dec; |
| |
| return d128; |
| } |
| |
| decNumber * |
| decimal128ToNumber (const decimal128 *bid128, decNumber *dn) |
| { |
| /* decimal128 and _Decimal128 are different types. */ |
| union |
| { |
| _Decimal128 _Dec; |
| decimal128 dec; |
| } u; |
| |
| /* bid128 is a pointer to _Decimal128 in bid endian. But _bid_to_dpd128 |
| takes host endian. */ |
| __ieee_to_host_128 (*bid128, &u._Dec); |
| |
| /* Convert BID to DPD. */ |
| _bid_to_dpd128 (&u._Dec, &u._Dec); |
| |
| /* __dpd128ToNumber is in bid endian. */ |
| __host_to_ieee_128 (u._Dec, &u.dec); |
| |
| return __dpd128ToNumber (&u.dec, dn); |
| } |
| |
| char * |
| decimal128ToString (const decimal128 *d128, char *string) |
| { |
| decNumber dn; /* work */ |
| decimal128ToNumber (d128, &dn); |
| decNumberToString (&dn, string); |
| return string; |
| } |
| |
| char * |
| decimal128ToEngString (const decimal128 *d128, char *string) |
| { |
| decNumber dn; /* work */ |
| decimal128ToNumber (d128, &dn); |
| decNumberToEngString (&dn, string); |
| return string; |
| } |
| |
| decimal128 * |
| decimal128FromString (decimal128 *result, const char *string, |
| decContext *set) |
| { |
| decContext dc; /* work */ |
| decNumber dn; /* .. */ |
| |
| decContextDefault (&dc, DEC_INIT_DECIMAL128); /* no traps, please */ |
| dc.round = set->round; /* use supplied rounding */ |
| |
| decNumberFromString (&dn, string, &dc); /* will round if needed */ |
| decimal128FromNumber (result, &dn, &dc); |
| if (dc.status != 0) |
| { /* something happened */ |
| decContextSetStatus (set, dc.status); /* .. pass it on */ |
| } |
| return result; |
| } |