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Diffstat (limited to 'libquadmath/gdtoa/ulp.c')
-rw-r--r-- | libquadmath/gdtoa/ulp.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/libquadmath/gdtoa/ulp.c b/libquadmath/gdtoa/ulp.c deleted file mode 100644 index 17e9f862c44..00000000000 --- a/libquadmath/gdtoa/ulp.c +++ /dev/null @@ -1,70 +0,0 @@ -/**************************************************************** - -The author of this software is David M. Gay. - -Copyright (C) 1998, 1999 by Lucent Technologies -All Rights Reserved - -Permission to use, copy, modify, and distribute this software and -its documentation for any purpose and without fee is hereby -granted, provided that the above copyright notice appear in all -copies and that both that the copyright notice and this -permission notice and warranty disclaimer appear in supporting -documentation, and that the name of Lucent or any of its entities -not be used in advertising or publicity pertaining to -distribution of the software without specific, written prior -permission. - -LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, -INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. -IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY -SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER -IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF -THIS SOFTWARE. - -****************************************************************/ - -/* Please send bug reports to David M. Gay (dmg at acm dot org, - * with " at " changed at "@" and " dot " changed to "."). */ - -#include "gdtoaimp.h" - - double -ulp -#ifdef KR_headers - (x) U *x; -#else - (U *x) -#endif -{ - Long L; - U a; - - L = (word0(x) & Exp_mask) - (P-1)*Exp_msk1; -#ifndef Sudden_Underflow - if (L > 0) { -#endif -#ifdef IBM - L |= Exp_msk1 >> 4; -#endif - word0(&a) = L; - word1(&a) = 0; -#ifndef Sudden_Underflow - } - else { - L = -L >> Exp_shift; - if (L < Exp_shift) { - word0(&a) = 0x80000 >> L; - word1(&a) = 0; - } - else { - word0(&a) = 0; - L -= Exp_shift; - word1(&a) = L >= 31 ? 1 : 1 << (31 - L); - } - } -#endif - return dval(&a); - } |