summaryrefslogtreecommitdiffstats
path: root/gnu/lib/libgmp/mpf/sqrt.c
diff options
context:
space:
mode:
Diffstat (limited to 'gnu/lib/libgmp/mpf/sqrt.c')
-rw-r--r--gnu/lib/libgmp/mpf/sqrt.c75
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);
-}
OpenPOWER on IntegriCloud