ALL: Add flint

external/flint-2.4.3/nmod_poly/fread.c

@@ -0,0 +1,57 @@
+/*=============================================================================
+
+    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) 2010 William Hart
+
+******************************************************************************/
+
+#include <gmp.h>
+#include <stdio.h>
+#include "flint.h"
+#include "nmod_poly.h"
+
+int nmod_poly_fread(FILE * f, nmod_poly_t poly)
+{
+    slong i, length;
+    mp_limb_t n;
+
+    if (flint_fscanf(f, "%wd %wu", &length, &n) != 2)
+        return 0;
+    
+    nmod_poly_clear(poly);
+    nmod_poly_init(poly,n); 
+    nmod_poly_fit_length(poly, length);
+    poly->length = length;
+    
+    for (i = 0; i < length; i++)
+    {
+        if (!flint_fscanf(f, "%wu", &poly->coeffs[i]))
+        {
+            poly->length = i;
+            return 0;
+        }
+    }
+   
+    _nmod_poly_normalise(poly);
+   
+    return 1;
+}