Revert "Remove gmp from AOS"
This reverts commit f37c97684f0910a3f241394549392f00145ab0f7.
We need gmp for SymEngine for symbolicmanipultion in C++
Change-Id: Ia13216d1715cf96944f7b4f422b7a799f921d4a4
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/third_party/gmp/mpf/div_ui.c b/third_party/gmp/mpf/div_ui.c
new file mode 100644
index 0000000..e1b0112
--- /dev/null
+++ b/third_party/gmp/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;
+}