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Diffstat (limited to 'gnu/lib/libgmp/mpf/sqrt.c')
-rw-r--r-- | gnu/lib/libgmp/mpf/sqrt.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/gnu/lib/libgmp/mpf/sqrt.c b/gnu/lib/libgmp/mpf/sqrt.c deleted file mode 100644 index 6d115e4..0000000 --- a/gnu/lib/libgmp/mpf/sqrt.c +++ /dev/null @@ -1,75 +0,0 @@ -/* mpf_sqrt -- Compute the square root of a float. - -Copyright (C) 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" - -void -#if __STDC__ -mpf_sqrt (mpf_ptr r, mpf_srcptr u) -#else -mpf_sqrt (r, u) - mpf_ptr r; - mpf_srcptr u; -#endif -{ - mp_size_t usize; - mp_ptr up, tp; - mp_size_t prec; - mp_exp_t tsize, rexp; - TMP_DECL (marker); - - usize = u->_mp_size; - if (usize <= 0) - { - usize = 1 - 1 / (usize == 0); /* Divide by zero for negative OP. */ - r->_mp_size = usize; /* cheat flow by using usize here */ - r->_mp_exp = 0; - return; - } - - TMP_MARK (marker); - - prec = r->_mp_prec; - rexp = (u->_mp_exp + 1) >> 1; /* round towards -inf */ - tsize = 2 * prec + (u->_mp_exp & 1); - - up = u->_mp_d; - tp = (mp_ptr) TMP_ALLOC (tsize * BYTES_PER_MP_LIMB); - - if (usize > tsize) - { - up += usize - tsize; - usize = tsize; - MPN_COPY (tp, up, tsize); - } - else - { - MPN_ZERO (tp, tsize - usize); - MPN_COPY (tp + (tsize - usize), up, usize); - } - - mpn_sqrtrem (r->_mp_d, NULL, tp, tsize); - - r->_mp_size = (tsize + 1) / 2; - r->_mp_exp = rexp; - TMP_FREE (marker); -} |