ALL: Add flint

external/flint-2.4.3/fmpz_poly_factor/insert.c

@@ -0,0 +1,54 @@
+/*=============================================================================
+
+    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) 2007 David Howden
+    Copyright (C) 2007, 2008, 2009, 2010 William Hart
+    Copyright (C) 2008 Richard Howell-Peak
+    Copyright (C) 2011 Fredrik Johansson
+    Copyright (C) 2011 Sebastian Pancratz
+
+******************************************************************************/
+
+#include <stdlib.h>
+#include <gmp.h>
+#include "flint.h"
+#include "fmpz_poly.h"
+
+void
+fmpz_poly_factor_insert(fmpz_poly_factor_t fac, const fmpz_poly_t p, slong exp)
+{
+    slong i;
+
+    for (i = 0; i < fac->num; i++)
+    {
+        if (fmpz_poly_equal(p, fac->p + i))
+        {
+            fac->exp[i] += exp;
+            return;
+        }
+    }
+
+    fmpz_poly_factor_fit_length(fac, i + 1);
+
+    fmpz_poly_set(fac->p + i, p);
+    fac->exp[i] = exp;
+    fac->num = i + 1;
+}