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Diffstat (limited to 'libdecnumber/decLibrary.c')
-rw-r--r-- | libdecnumber/decLibrary.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/libdecnumber/decLibrary.c b/libdecnumber/decLibrary.c new file mode 100644 index 0000000..b7cbd10 --- /dev/null +++ b/libdecnumber/decLibrary.c @@ -0,0 +1,81 @@ +/* Temporary library support for decimal floating point. + Copyright (C) 2005 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. */ + +#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); +extern void __dfp_enable_traps (void); +extern void __dfp_raise (int exception __attribute__ ((unused))); + +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)); +} + +int __dfp_traps; + +void +__dfp_enable_traps (void) +{ + __dfp_traps = 1; +} + +void +__dfp_raise (int exception __attribute__ ((unused))) +{ + raise (SIGFPE); +} |