From abfbdde177c3a7155070dda1b2cdc8292054cc26 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 14 Jul 1999 00:54:57 +0000 Subject: Update. --- sysdeps/libm-ieee754/s_llrint.c | 95 ----------------------------------------- 1 file changed, 95 deletions(-) delete mode 100644 sysdeps/libm-ieee754/s_llrint.c (limited to 'sysdeps/libm-ieee754/s_llrint.c') diff --git a/sysdeps/libm-ieee754/s_llrint.c b/sysdeps/libm-ieee754/s_llrint.c deleted file mode 100644 index 8e70bcff36..0000000000 --- a/sysdeps/libm-ieee754/s_llrint.c +++ /dev/null @@ -1,95 +0,0 @@ -/* Round argument to nearest integral value according to current rounding - direction. - Copyright (C) 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper , 1997. - - 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 - -#include "math_private.h" - -static const long double two52[2] = -{ - 4.50359962737049600000e+15, /* 0x43300000, 0x00000000 */ - -4.50359962737049600000e+15, /* 0xC3300000, 0x00000000 */ -}; - - -long long int -__llrint (double x) -{ - int32_t j0; - u_int32_t i1, i0; - long long int result; - volatile double w; - double t; - int sx; - - EXTRACT_WORDS (i0, i1, x); - j0 = ((i0 >> 20) & 0x7ff) - 0x3ff; - sx = i0 >> 31; - i0 &= 0xfffff; - i0 |= 0x100000; - - if (j0 < 20) - { - if (j0 < -1) - return 0; - else - { - w = two52[sx] + x; - t = w - two52[sx]; - EXTRACT_WORDS (i0, i1, t); - j0 = ((i0 >> 20) & 0x7ff) - 0x3ff; - i0 &= 0xfffff; - i0 |= 0x100000; - - result = i0 >> (20 - j0); - } - } - else if (j0 < (int32_t) (8 * sizeof (long long int)) - 1) - { - if (j0 >= 52) - result = (((long long int) i0 << 32) | i1) << (j0 - 52); - else - { - w = two52[sx] + x; - t = w - two52[sx]; - EXTRACT_WORDS (i0, i1, t); - j0 = ((i0 >> 20) & 0x7ff) - 0x3ff; - i0 &= 0xfffff; - i0 |= 0x100000; - - result = ((long long int) i0 << (j0 - 20)) | (i1 >> (52 - j0)); - } - } - else - { - /* The number is too large. It is left implementation defined - what happens. */ - return (long long int) x; - } - - return sx ? -result : result; -} - -weak_alias (__llrint, llrint) -#ifdef NO_LONG_DOUBLE -strong_alias (__llrint, __llrintl) -weak_alias (__llrint, llrintl) -#endif -- cgit 1.4.1