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version 1.1.1.1, 2000/01/10 15:35:27 | version 1.1.1.2, 2000/09/09 14:12:58 | ||
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/* mpz_sqrt(root, u) -- Set ROOT to floor(sqrt(U)). | /* mpz_sqrt(root, u) -- Set ROOT to floor(sqrt(U)). | ||
Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. | Copyright (C) 1991, 1993, 1994, 1996, 2000 Free Software Foundation, Inc. | ||
This file is part of the GNU MP Library. | This file is part of the GNU MP Library. | ||
The GNU MP Library is free software; you can redistribute it and/or modify | 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 | it under the terms of the GNU Lesser General Public License as published by | ||
the Free Software Foundation; either version 2 of the License, or (at your | the Free Software Foundation; either version 2.1 of the License, or (at your | ||
option) any later version. | option) any later version. | ||
The GNU MP Library is distributed in the hope that it will be useful, but | 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 | WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | ||
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public | ||
License for more details. | License for more details. | ||
You should have received a copy of the GNU Library General Public License | 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 | 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, | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | ||
MA 02111-1307, USA. */ | MA 02111-1307, USA. */ | ||
#include <stdio.h> /* for NULL */ | |||
#include "gmp.h" | #include "gmp.h" | ||
#include "gmp-impl.h" | #include "gmp-impl.h" | ||
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TMP_MARK (marker); | TMP_MARK (marker); | ||
op_size = op->_mp_size; | op_size = op->_mp_size; | ||
if (op_size < 0) | if (op_size < 0) | ||
op_size = 1 / (op_size > 0); /* Divide by zero for negative OP. */ | SQRT_OF_NEGATIVE; | ||
/* The size of the root is accurate after this simple calculation. */ | /* The size of the root is accurate after this simple calculation. */ | ||
root_size = (op_size + 1) / 2; | root_size = (op_size + 1) / 2; |