From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001
From: Duncan Wilkie <antigravityd@gmail.com>
Date: Sat, 18 Nov 2023 06:11:09 -0600
Subject: Initial commit.

---
 gmp-6.3.0/mpf/div_ui.c | 110 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 gmp-6.3.0/mpf/div_ui.c

(limited to 'gmp-6.3.0/mpf/div_ui.c')

diff --git a/gmp-6.3.0/mpf/div_ui.c b/gmp-6.3.0/mpf/div_ui.c
new file mode 100644
index 0000000..e1b0112
--- /dev/null
+++ b/gmp-6.3.0/mpf/div_ui.c
@@ -0,0 +1,110 @@
+/* mpf_div_ui -- Divide a float with an unsigned integer.
+
+Copyright 1993, 1994, 1996, 2000-2002, 2004, 2005, 2012 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 either:
+
+  * the GNU Lesser General Public License as published by the Free
+    Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+or
+
+  * the GNU General Public License as published by the Free Software
+    Foundation; either version 2 of the License, or (at your option) any
+    later version.
+
+or both in parallel, as here.
+
+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 General Public License
+for more details.
+
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library.  If not,
+see https://www.gnu.org/licenses/.  */
+
+#include "gmp-impl.h"
+#include "longlong.h"
+
+void
+mpf_div_ui (mpf_ptr r, mpf_srcptr u, unsigned long int v)
+{
+  mp_srcptr up;
+  mp_ptr rp, tp, rtp;
+  mp_size_t usize;
+  mp_size_t rsize, tsize;
+  mp_size_t sign_quotient;
+  mp_size_t prec;
+  mp_limb_t q_limb;
+  mp_exp_t rexp;
+  TMP_DECL;
+
+#if BITS_PER_ULONG > GMP_NUMB_BITS  /* avoid warnings about shift amount */
+  if (v > GMP_NUMB_MAX)
+    {
+      mpf_t vf;
+      mp_limb_t vl[2];
+      SIZ(vf) = 2;
+      EXP(vf) = 2;
+      PTR(vf) = vl;
+      vl[0] = v & GMP_NUMB_MASK;
+      vl[1] = v >> GMP_NUMB_BITS;
+      mpf_div (r, u, vf);
+      return;
+    }
+#endif
+
+  if (UNLIKELY (v == 0))
+    DIVIDE_BY_ZERO;
+
+  usize = u->_mp_size;
+
+  if (usize == 0)
+    {
+      r->_mp_size = 0;
+      r->_mp_exp = 0;
+      return;
+    }
+
+  sign_quotient = usize;
+  usize = ABS (usize);
+  prec = r->_mp_prec;
+
+  TMP_MARK;
+
+  rp = r->_mp_d;
+  up = u->_mp_d;
+
+  tsize = 1 + prec;
+  tp = TMP_ALLOC_LIMBS (tsize + 1);
+
+  if (usize > tsize)
+    {
+      up += usize - tsize;
+      usize = tsize;
+      rtp = tp;
+    }
+  else
+    {
+      MPN_ZERO (tp, tsize - usize);
+      rtp = tp + (tsize - usize);
+    }
+
+  /* Move the dividend to the remainder.  */
+  MPN_COPY (rtp, up, usize);
+
+  mpn_divmod_1 (rp, tp, tsize, (mp_limb_t) v);
+  q_limb = rp[tsize - 1];
+
+  rsize = tsize - (q_limb == 0);
+  rexp = u->_mp_exp - (q_limb == 0);
+  r->_mp_size = sign_quotient >= 0 ? rsize : -rsize;
+  r->_mp_exp = rexp;
+  TMP_FREE;
+}
-- 
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