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Diffstat (limited to 'rts/gmp/mpz/cmpabs_ui.c')
-rw-r--r-- | rts/gmp/mpz/cmpabs_ui.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/rts/gmp/mpz/cmpabs_ui.c b/rts/gmp/mpz/cmpabs_ui.c new file mode 100644 index 0000000000..db816b5820 --- /dev/null +++ b/rts/gmp/mpz/cmpabs_ui.c @@ -0,0 +1,56 @@ +/* mpz_cmpabs_ui.c -- Compare a mpz_t a with an mp_limb_t b. Return positive, + zero, or negative based on if a > b, a == b, or a < b. + +Copyright (C) 1991, 1993, 1994, 1995, 1997, 2000 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 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 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 Lesser General Public +License for more details. + +You should have received a copy of the GNU Lesser 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__ +mpz_cmpabs_ui (mpz_srcptr u, unsigned long int v_digit) +#else +mpz_cmpabs_ui (u, v_digit) + mpz_srcptr u; + unsigned long int v_digit; +#endif +{ + mp_size_t usize = u->_mp_size; + + if (usize == 0) + return -(v_digit != 0); + + usize = ABS (usize); + + if (usize == 1) + { + mp_limb_t u_digit; + + u_digit = u->_mp_d[0]; + if (u_digit > v_digit) + return 1; + if (u_digit < v_digit) + return -1; + return 0; + } + + return 1; +} |