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/tests/mpn/t-mulmid.c | 92 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 gmp-6.3.0/tests/mpn/t-mulmid.c

(limited to 'gmp-6.3.0/tests/mpn/t-mulmid.c')

diff --git a/gmp-6.3.0/tests/mpn/t-mulmid.c b/gmp-6.3.0/tests/mpn/t-mulmid.c
new file mode 100644
index 0000000..9491b0e
--- /dev/null
+++ b/gmp-6.3.0/tests/mpn/t-mulmid.c
@@ -0,0 +1,92 @@
+/* Test for mulmid function.
+
+Copyright 2011 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library test suite.
+
+The GNU MP Library test suite is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 3 of the License,
+or (at your option) any later version.
+
+The GNU MP Library test suite 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 a copy of the GNU General Public License along with
+the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "gmp-impl.h"
+#include "tests.h"
+
+/* Sizes are up to 2^SIZE_LOG limbs */
+#ifndef SIZE_LOG
+#define SIZE_LOG 9
+#endif
+
+#ifndef COUNT
+#define COUNT 5000
+#endif
+
+#define MAX_N (1L << SIZE_LOG)
+
+int
+main (int argc, char **argv)
+{
+  mp_ptr ap, bp, rp, refp;
+  gmp_randstate_ptr rands;
+  int test;
+  TMP_DECL;
+  TMP_MARK;
+
+  tests_start ();
+  rands = RANDS;
+
+  ap = TMP_ALLOC_LIMBS (MAX_N);
+  bp = TMP_ALLOC_LIMBS (MAX_N);
+  rp = TMP_ALLOC_LIMBS (MAX_N + 2);
+  refp = TMP_ALLOC_LIMBS (MAX_N + 2);
+
+  for (test = 0; test < COUNT; test++)
+    {
+      mp_size_t an, bn, rn;
+      unsigned size_log;
+
+      size_log = 1 + gmp_urandomm_ui (rands, SIZE_LOG);
+      an = 1 + gmp_urandomm_ui(rands, 1L << size_log);
+
+      size_log = 1 + gmp_urandomm_ui (rands, SIZE_LOG);
+      bn = 1 + gmp_urandomm_ui(rands, 1L << size_log);
+
+      /* Make sure an >= bn */
+      if (an < bn)
+	MP_SIZE_T_SWAP (an, bn);
+
+      mpn_random2 (ap, an);
+      mpn_random2 (bp, bn);
+
+      refmpn_mulmid (refp, ap, an, bp, bn);
+      mpn_mulmid (rp, ap, an, bp, bn);
+
+      rn = an + 3 - bn;
+      if (mpn_cmp (refp, rp, rn))
+	{
+	  printf ("ERROR in test %d, an = %d, bn = %d, rn = %d\n",
+		  test, (int) an, (int) bn, (int) rn);
+	  printf("a: "); mpn_dump (ap, an);
+	  printf("b: "); mpn_dump (bp, bn);
+	  printf("r:   "); mpn_dump (rp, rn);
+	  printf("ref: "); mpn_dump (refp, rn);
+
+	  abort();
+	}
+    }
+  TMP_FREE;
+  tests_end ();
+  return 0;
+}
-- 
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