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/mpz/aors_ui.h | 125 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 gmp-6.3.0/mpz/aors_ui.h

(limited to 'gmp-6.3.0/mpz/aors_ui.h')

diff --git a/gmp-6.3.0/mpz/aors_ui.h b/gmp-6.3.0/mpz/aors_ui.h
new file mode 100644
index 0000000..cbc467b
--- /dev/null
+++ b/gmp-6.3.0/mpz/aors_ui.h
@@ -0,0 +1,125 @@
+/* mpz_add_ui, mpz_sub_ui -- Add or subtract an mpz_t and an unsigned
+   one-word integer.
+
+Copyright 1991, 1993, 1994, 1996, 1999-2002, 2004, 2012, 2013, 2015,
+2020 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"
+
+
+#ifdef OPERATION_add_ui
+#define FUNCTION          mpz_add_ui
+#define FUNCTION2         mpz_add
+#define VARIATION_CMP     >=
+#define VARIATION_NEG
+#define VARIATION_UNNEG   -
+#endif
+
+#ifdef OPERATION_sub_ui
+#define FUNCTION          mpz_sub_ui
+#define FUNCTION2         mpz_sub
+#define VARIATION_CMP     <
+#define VARIATION_NEG     -
+#define VARIATION_UNNEG
+#endif
+
+#ifndef FUNCTION
+Error, need OPERATION_add_ui or OPERATION_sub_ui
+#endif
+
+
+void
+FUNCTION (mpz_ptr w, mpz_srcptr u, unsigned long int vval)
+{
+  mp_srcptr up;
+  mp_ptr wp;
+  mp_size_t usize, wsize;
+  mp_size_t abs_usize;
+
+#if BITS_PER_ULONG > GMP_NUMB_BITS  /* avoid warnings about shift amount */
+  if (vval > GMP_NUMB_MAX)
+    {
+      mpz_t v;
+      mp_limb_t vl[2];
+      PTR(v) = vl;
+      vl[0] = vval & GMP_NUMB_MASK;
+      vl[1] = vval >> GMP_NUMB_BITS;
+      SIZ(v) = 2;
+      FUNCTION2 (w, u, v);
+      return;
+    }
+#endif
+
+  usize = SIZ (u);
+  if (usize == 0)
+    {
+      MPZ_NEWALLOC (w, 1)[0] = vval;
+      SIZ (w) = VARIATION_NEG (vval != 0);
+      return;
+    }
+
+  abs_usize = ABS (usize);
+
+  if (usize VARIATION_CMP 0)
+    {
+      mp_limb_t cy;
+
+      /* If not space for W (and possible carry), increase space.  */
+      wp = MPZ_REALLOC (w, abs_usize + 1);
+      /* These must be after realloc (U may be the same as W).  */
+      up = PTR (u);
+
+      cy = mpn_add_1 (wp, up, abs_usize, (mp_limb_t) vval);
+      wp[abs_usize] = cy;
+      wsize = VARIATION_NEG (abs_usize + cy);
+    }
+  else
+    {
+      /* If not space for W, increase space.  */
+      wp = MPZ_REALLOC (w, abs_usize);
+      /* These must be after realloc (U may be the same as W).  */
+      up = PTR (u);
+
+      /* The signs are different.  Need exact comparison to determine
+	 which operand to subtract from which.  */
+      if (abs_usize == 1 && up[0] < vval)
+	{
+	  wp[0] = vval - up[0];
+	  wsize = VARIATION_NEG 1;
+	}
+      else
+	{
+	  mpn_sub_1 (wp, up, abs_usize, (mp_limb_t) vval);
+	  /* Size can decrease with at most one limb.  */
+	  wsize = VARIATION_UNNEG (abs_usize - (wp[abs_usize - 1] == 0));
+	}
+    }
+
+  SIZ (w) = wsize;
+}
-- 
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