freebsd-skq/contrib/libgmp/mpz/perfsqr.c
Mark Murray aa9bc17601 Clean import of libgmp 2.0.2, with only the non-x86 bits removed.
BMakefiles and other bits will follow.

Requested by:	Andrey Chernov
Made world by:	Chuck Robey
1996-10-20 08:49:26 +00:00

42 lines
1.2 KiB
C

/* mpz_perfect_square_p(arg) -- Return non-zero if ARG is a perfect square,
zero otherwise.
Copyright (C) 1991, 1993, 1994, 1996 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__
mpz_perfect_square_p (mpz_srcptr a)
#else
mpz_perfect_square_p (a)
mpz_srcptr a;
#endif
{
mp_size_t asize = a->_mp_size;
/* No negative numbers are perfect squares. */
if (asize < 0)
return 0;
return mpn_perfect_square_p (a->_mp_d, asize);
}