ALL: Add flint

external/flint-2.4.3/arith/test/t-landau_function_vec.c

@@ -0,0 +1,70 @@
+/*=============================================================================
+
+    This file is part of FLINT.
+
+    FLINT 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 2 of the License, or
+    (at your option) any later version.
+
+    FLINT 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 FLINT; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+
+=============================================================================*/
+/******************************************************************************
+
+    Copyright (C) 2011 Fredrik Johansson
+
+******************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <gmp.h>
+#include "flint.h"
+#include "arith.h"
+#include "fmpz_vec.h"
+
+static const mp_limb_t known[] = {
+    1, 1, 2, 3, 4, 6, 6, 12, 15, 20, 30, 30, 60, 60, 84, 105, 140, 210,
+    210, 420, 420, 420, 420, 840, 840, 1260, 1260, 1540, 2310, 2520,
+    4620, 4620, 5460, 5460, 9240, 9240, 13860, 13860, 16380, 16380,
+    27720, 30030, 32760, 60060, 60060, 60060, 60060, 120120
+};
+
+int main(void)
+{
+    fmpz * res;
+    slong k, n;
+
+    FLINT_TEST_INIT(state);
+
+    flint_printf("landau_function_vec....");
+    fflush(stdout);
+
+    n = 45;
+    res = _fmpz_vec_init(n);
+    arith_landau_function_vec(res, n);
+
+    for (k = 0; k < n; k++)
+    {
+        if (fmpz_cmp_ui(res + k, known[k]))
+        {
+            flint_printf("FAIL:\n");
+            flint_printf("k = %wd, res[k] = %wd, expected: %wd\n",
+                k, fmpz_get_si(res + k), known[k]);
+            abort();
+        }
+    }
+
+    _fmpz_vec_clear(res, n);
+
+    FLINT_TEST_CLEANUP(state);
+    flint_printf("PASS\n");
+    return 0;
+}