Mercurial > hg > CbC > CbC_gcc
diff libdecnumber/decLibrary.c @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
parents | |
children | 04ced10e8804 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libdecnumber/decLibrary.c Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,71 @@ +/* Temporary library support for decimal floating point. + Copyright (C) 2005, 2006, 2009 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. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + +#include "dconfig.h" +#include "decContext.h" +#include "decimal128.h" +#include "decimal64.h" +#include "decimal32.h" + +void __host_to_ieee_32 (_Decimal32, decimal32 *); +void __host_to_ieee_64 (_Decimal64, decimal64 *); +void __host_to_ieee_128 (_Decimal128, decimal128 *); + +extern int isinfd32 (_Decimal32); +extern int isinfd64 (_Decimal64); +extern int isinfd128 (_Decimal128); +uint32_t __dec_byte_swap (uint32_t); + +int +isinfd32 (_Decimal32 arg) +{ + decNumber dn; + decimal32 d32; + + __host_to_ieee_32 (arg, &d32); + decimal32ToNumber (&d32, &dn); + return (decNumberIsInfinite (&dn)); +} + +int +isinfd64 (_Decimal64 arg) +{ + decNumber dn; + decimal64 d64; + + __host_to_ieee_64 (arg, &d64); + decimal64ToNumber (&d64, &dn); + return (decNumberIsInfinite (&dn)); +} + +int +isinfd128 (_Decimal128 arg) +{ + decNumber dn; + decimal128 d128; + + __host_to_ieee_128 (arg, &d128); + decimal128ToNumber (&d128, &dn); + return (decNumberIsInfinite (&dn)); +}