diff options
Diffstat (limited to 'sysdeps/powerpc/q_dtoq.c')
-rw-r--r-- | sysdeps/powerpc/q_dtoq.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/sysdeps/powerpc/q_dtoq.c b/sysdeps/powerpc/q_dtoq.c deleted file mode 100644 index 8cab9e4689..0000000000 --- a/sysdeps/powerpc/q_dtoq.c +++ /dev/null @@ -1,66 +0,0 @@ -/* 64-bit floating point to 128-bit floating point. - Copyright (C) 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include <quad_float.h> - -/* long double _q_dtoq(double a); - Convert 'a' to long double. Don't raise exceptions. - */ - -void -__q_dtoq(unsigned long long result[2], double a) -{ - unsigned ux, rx; - union { - double d; - unsigned long long u; - } u; - - u.d = a; - result[1] = u.u << 64-4; - result[0] = u.u >> 4; - /* correct exponent bias */ - rx = ((long long)u.u >> 52 & 0x87ff) + 16383-1023; - - ux = u.u >> 52 & 0x7ff; - if (ux == 0) - { - if ((u.u & 0x7fffffffffffffffULL) == 0) - { - /* +0.0 or -0.0. */ - rx &= 0x8000; - } - else - { - /* Denormalised number. Renormalise. */ - unsigned long long um = u.u & 0x000fffffffffffffULL; - int cs = cntlzd(um) - 12 + 1; - rx -= cs; - um <<= cs; - result[0] = um >> 4; - result[1] = um << 64-4; - } - } - else if (ux == 0x7ff) - { - /* Inf or NaN. */ - rx |= 0x7fff; - } - *(unsigned short *)result = rx; -} |