version 1.1.1.2, 2000/09/09 14:12:55 |
version 1.1.1.3, 2003/08/25 16:06:33 |
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/* mpz_perfect_square_p(arg) -- Return non-zero if ARG is a perfect square, |
/* mpz_perfect_square_p(arg) -- Return non-zero if ARG is a perfect square, |
zero otherwise. |
zero otherwise. |
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Copyright (C) 1991, 1993, 1994, 1996, 2000 Free Software Foundation, Inc. |
Copyright 1991, 1993, 1994, 1996, 2000, 2001 Free Software Foundation, Inc. |
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This file is part of the GNU MP Library. |
This file is part of the GNU MP Library. |
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Line 20 along with the GNU MP Library; see the file COPYING.LI |
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Line 20 along with the GNU MP Library; see the file COPYING.LI |
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
MA 02111-1307, USA. */ |
MA 02111-1307, USA. */ |
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#define __GMP_FORCE_mpz_perfect_square_p 1 |
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#include "gmp.h" |
#include "gmp.h" |
#include "gmp-impl.h" |
#include "gmp-impl.h" |
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int |
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#if __STDC__ |
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mpz_perfect_square_p (mpz_srcptr a) |
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#else |
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mpz_perfect_square_p (a) |
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mpz_srcptr a; |
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#endif |
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{ |
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mp_size_t asize = a->_mp_size; |
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/* No negative numbers are perfect squares. */ |
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if (asize < 0) |
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return 0; |
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/* Zero is a perfect square. */ |
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if (asize == 0) |
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return 1; |
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return mpn_perfect_square_p (a->_mp_d, asize); |
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} |
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