--- /dev/null
+/*
+ * The 3D Studio File Format Library
+ * Copyright (C) 1996-2001 by J.E. Hoffmann <je-h@gmx.net>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at
+ * your option) any later version.
+ *
+ * This program 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 Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: float.c,v 1.4 2001/01/12 10:29:17 jeh Exp $
+ */
+#define LIB3DS_EXPORT
+#include <lib3ds/float.h>
+
+
+/*!
+ * \defgroup float Floating Point Mathematics
+ *
+ * \author J.E. Hoffmann <je-h@gmx.net>
+ */
+
+
+/*!
+ * \ingroup float
+ */
+Lib3dsFloat
+lib3ds_float_cubic(Lib3dsFloat a, Lib3dsFloat p, Lib3dsFloat q, Lib3dsFloat b, Lib3dsFloat t)
+{
+ Lib3dsDouble x,y,z,w;
+
+ x=2*t*t*t - 3*t*t + 1;
+ y=-2*t*t*t + 3*t*t;
+ z=t*t*t - 2*t*t + t;
+ w=t*t*t - t*t;
+ return((Lib3dsFloat)(x*a + y*b + z*p + w*q));
+}
+