mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-27 04:41:02 +08:00
37002cbcd2
with setting the sticky bit. * math/test-misc.c (main): Add more truncation tests. * soft-fp/floatunsidf.c (__floatunsidf): Use DFtype instead of double in the function declaration. * soft-fp/floatundidf.c (__floatundidf): Use DFtype instead of double in the function declaration. * soft-fp/floatunsisf.c (__floatunsisf): Use SFtype instead of float in the function declaration. * soft-fp/floatunsisf.c (__floatunsisf): Use SFtype instead of float in the function declaration. * soft-fp/extended.h (FP_UNPACK_RAW_E): Do not increase X##_e for denormal operands. Do not generate FP_EX_DENORM exception. (FP_UNPACK_RAW_EP): Ditto. (FP_UNPACK_SEMIRAW_E): Use FP_UNPACK_RAW_E instead of undefined _FP_UNPACK_RAW_E. (FP_UNPACK_SEMIRAW_EP): Use FP_UNPACK_RAW_EP instead of undefined _FP_UNPACK_RAW_EP. (FP_PACK_SEMIRAW_E): Use FP_PACK_RAW_E instead of undefined _FP_PACK_RAW_E. (FP_PACK_SEMIRAW_EP): Use FP_PACK_RAW_EP instead of undefined _FP_PACK_RAW_EP. * op-2.h (_FP_FRAC_COPY_2_2): Define as alias to _FP_FRAC_COPY_2. * op-4.h (_FP_FRAC_COPY_2_2): Define as alias to _FP_FRAC_COPY_4. * soft-fp/op-common.h (FP_EXTEND): Do not abort when _FP_EXPBIAS_##dfs == _FP_EXPBIAS_##sfs. Handle denormals for this case. * soft-fp/op-common.h (FP_TRUNC): Ditto. * soft-fp/op-common.h (FP_TRUNC): Replace raising of FP_EX_INEXACT with setting the sticky bit. * math/test-misc.c (main): Add more truncation tests. 2007-04-14 Uros Bizjak <ubizjak@gmail.com> * soft-fp/floatunsidf.c (__floatunsidf): Use DFtype instead of double in the function declaration. * soft-fp/floatundidf.c (__floatundidf): Use DFtype instead of double in the function declaration. * soft-fp/floatunsisf.c (__floatunsisf): Use SFtype instead of float in the function declaration. * soft-fp/floatunsisf.c (__floatunsisf): Use SFtype instead of float in the function declaration. * soft-fp/extended.h (FP_UNPACK_RAW_E): Do not increase X##_e for denormal operands. Do not generate FP_EX_DENORM exception. (FP_UNPACK_RAW_EP): Ditto. (FP_UNPACK_SEMIRAW_E): Use FP_UNPACK_RAW_E instead of undefined _FP_UNPACK_RAW_E. (FP_UNPACK_SEMIRAW_EP): Use FP_UNPACK_RAW_EP instead of undefined _FP_UNPACK_RAW_EP. (FP_PACK_SEMIRAW_E): Use FP_PACK_RAW_E instead of undefined _FP_PACK_RAW_E. (FP_PACK_SEMIRAW_EP): Use FP_PACK_RAW_EP instead of undefined _FP_PACK_RAW_EP. * op-2.h (_FP_FRAC_COPY_2_2): Define as alias to _FP_FRAC_COPY_2. * op-4.h (_FP_FRAC_COPY_2_2): Define as alias to _FP_FRAC_COPY_4. 2007-04-16 Uros Bizjak <ubizjak@gmail.com> Jakub Jelinek <jakub@redhat.com> * soft-fp/op-common.h (FP_EXTEND): Do not abort when _FP_EXPBIAS_##dfs == _FP_EXPBIAS_##sfs. Handle denormals for this case. * soft-fp/op-common.h (FP_TRUNC): Ditto. 2007-05-03 Jakub Jelinek <jakub@redhat.com>
47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
/* Software floating-point emulation.
|
|
Convert a 64bit unsigned integer to IEEE double
|
|
Copyright (C) 1997, 1999, 2006, 2007 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Richard Henderson (rth@cygnus.com) and
|
|
Jakub Jelinek (jj@ultra.linux.cz).
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
In addition to the permissions in the GNU Lesser General Public
|
|
License, the Free Software Foundation gives you unlimited
|
|
permission to link the compiled version of this file into
|
|
combinations with other programs, and to distribute those
|
|
combinations without any restriction coming from the use of this
|
|
file. (The Lesser General Public License restrictions do apply in
|
|
other respects; for example, they cover modification of the file,
|
|
and distribution when not linked into a combine executable.)
|
|
|
|
The GNU C Library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
#include "soft-fp.h"
|
|
#include "double.h"
|
|
|
|
DFtype __floatundidf(UDItype i)
|
|
{
|
|
FP_DECL_EX;
|
|
FP_DECL_D(A);
|
|
DFtype a;
|
|
|
|
FP_FROM_INT_D(A, i, DI_BITS, UDItype);
|
|
FP_PACK_RAW_D(a, A);
|
|
FP_HANDLE_EXCEPTIONS;
|
|
|
|
return a;
|
|
}
|