aa9bc17601
BMakefiles and other bits will follow. Requested by: Andrey Chernov Made world by: Chuck Robey
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/* mpz_cmp_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 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"
|
|
|
|
/* gmp.h defines a macro for mpz_cmp_ui. */
|
|
#undef mpz_cmp_ui
|
|
|
|
int
|
|
#if __STDC__
|
|
mpz_cmp_ui (mpz_srcptr u, unsigned long int v_digit)
|
|
#else
|
|
mpz_cmp_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);
|
|
|
|
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 (usize > 0) ? 1 : -1;
|
|
}
|