diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_totalorderl.c')
-rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/s_totalorderl.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_totalorderl.c b/sysdeps/ieee754/ldbl-128ibm/s_totalorderl.c deleted file mode 100644 index 963376a7cf..0000000000 --- a/sysdeps/ieee754/ldbl-128ibm/s_totalorderl.c +++ /dev/null @@ -1,62 +0,0 @@ -/* Total order operation. ldbl-128ibm version. - Copyright (C) 2016-2017 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 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. - - 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, see - <http://www.gnu.org/licenses/>. */ - -#include <math.h> -#include <math_private.h> -#include <nan-high-order-bit.h> -#include <stdint.h> - -int -totalorderl (long double x, long double y) -{ - double xhi, xlo, yhi, ylo; - int64_t hx, hy, lx, ly; - - ldbl_unpack (x, &xhi, &xlo); - EXTRACT_WORDS64 (hx, xhi); - ldbl_unpack (y, &yhi, &ylo); - EXTRACT_WORDS64 (hy, yhi); -#if HIGH_ORDER_BIT_IS_SET_FOR_SNAN -# error not implemented -#endif - uint64_t hx_sign = hx >> 63; - uint64_t hy_sign = hy >> 63; - int64_t hx_adj = hx ^ (hx_sign >> 1); - int64_t hy_adj = hy ^ (hy_sign >> 1); - if (hx_adj < hy_adj) - return 1; - else if (hx_adj > hy_adj) - return 0; - - /* The high doubles are identical. If they are NaNs or both the low - parts are zero, the low parts are not significant (and if they - are infinities, both the low parts must be zero). */ - if ((hx & 0x7fffffffffffffffULL) >= 0x7ff0000000000000ULL) - return 1; - EXTRACT_WORDS64 (lx, xlo); - EXTRACT_WORDS64 (ly, ylo); - if (((lx | ly) & 0x7fffffffffffffffULL) == 0) - return 1; - - /* Otherwise compare the low parts. */ - uint64_t lx_sign = lx >> 63; - uint64_t ly_sign = ly >> 63; - lx ^= lx_sign >> 1; - ly ^= ly_sign >> 1; - return lx <= ly; -} |