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Diffstat (limited to 'contrib/libgmp/mpf/cmp_si.c')
-rw-r--r-- | contrib/libgmp/mpf/cmp_si.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/contrib/libgmp/mpf/cmp_si.c b/contrib/libgmp/mpf/cmp_si.c deleted file mode 100644 index 01f970812c9f..000000000000 --- a/contrib/libgmp/mpf/cmp_si.c +++ /dev/null @@ -1,98 +0,0 @@ -/* mpf_cmp_si -- Compare a float with a signed integer. - -Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc. - -This file is part of the GNU MP Library. - -The GNU MP 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 MP 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 MP 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 "gmp.h" -#include "gmp-impl.h" - -int -#if __STDC__ -mpf_cmp_si (mpf_srcptr u, long int vslimb) -#else -mpf_cmp_si (u, vslimb) - mpf_srcptr u; - long int vslimb; -#endif -{ - mp_srcptr up; - mp_size_t usize; - mp_exp_t uexp; - int usign; - - uexp = u->_mp_exp; - usize = u->_mp_size; - - /* 1. Are the signs different? */ - if ((usize < 0) == (vslimb < 0)) /* don't use xor, type size may differ */ - { - /* U and V are both non-negative or both negative. */ - if (usize == 0) - /* vslimb >= 0 */ - return -(vslimb != 0); - if (vslimb == 0) - /* usize >= 0 */ - return usize != 0; - /* Fall out. */ - } - else - { - /* Either U or V is negative, but not both. */ - return usize >= 0 ? 1 : -1; - } - - /* U and V have the same sign and are both non-zero. */ - - usign = usize >= 0 ? 1 : -1; - - /* 2. Are the exponents different (V's exponent == 1)? */ - if (uexp > 1) - return usign; - if (uexp < 1) - return -usign; - - usize = ABS (usize); - vslimb = ABS (vslimb); - - up = u->_mp_d; - -#define STRICT_MPF_NORMALIZATION 0 -#if ! STRICT_MPF_NORMALIZATION - /* Ignore zeroes at the low end of U and V. */ - while (*up == 0) - { - up++; - usize--; - } -#endif - - /* 3. Now, if the number of limbs are different, we have a difference - since we have made sure the trailing limbs are not zero. */ - if (usize > 1) - return usign; - - /* 4. Compare the mantissas. */ - if (*up > vslimb) - return usign; - else if (*up < vslimb) - return -usign; - - /* Wow, we got zero even if we tried hard to avoid it. */ - return 0; -} |