diff options
Diffstat (limited to 'sysdeps/powerpc/q_fne.c')
-rw-r--r-- | sysdeps/powerpc/q_fne.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/sysdeps/powerpc/q_fne.c b/sysdeps/powerpc/q_fne.c deleted file mode 100644 index 8f6429c..0000000 --- a/sysdeps/powerpc/q_fne.c +++ /dev/null @@ -1,70 +0,0 @@ -/* 128-bit floating point unordered not-equality. - 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 <fenv_libc.h> - -/* int _q_fne(const long double *a, const long double *b); - Returns 0 if a==b - - Special cases: - NaNs return 1 always; - -0 == +0; - If either argument is a SNaN, we set FPSCR_VXSNAN to cause an - 'invalid operation' exception. - */ - -int -__q_fne(const unsigned a[4], const unsigned b[4]) -{ - unsigned a0, b0; - - a0 = a[0]; b0 = b[0]; - - if ((a0 >> 16 & 0x7fff) != 0x7fff && - (b0 >> 16 & 0x7fff) != 0x7fff) - { - unsigned a3,b3,a2,b2,a1,b1; - unsigned z, result; - - a3 = a[3]; b3 = b[3]; a2 = a[2]; - result = a3 ^ b3; - b2 = b[2]; - if (result != 0) - return result; - a1 = a[1]; b1 = b[1]; - result = a2 ^ b2; - result |= a1 ^ b1; - z = a3 | a2; - if (result != 0) - return result; - z |= a1; - z = (z >> 1 | z | a0) & 0x7fffffff; - /* 'z' is 0 iff a==0.0, otherwise between 1 and 0x7fffffff */ - return (a0^b0) & ~(-z & 0x80000000); - } - else - { - /* Deal with SNaNs */ - if (((a0|b0) & 0x8000) == 0) - { - set_fpscr_bit(FPSCR_VXSNAN); - } - return 1; - } -} |