X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=libs%2Flib3ds%2Ffloat.c;fp=libs%2Flib3ds%2Ffloat.c;h=4dd9efff6814dfd2e462bc2eddd2fe02291d7262;hb=6c322d339ec9c5063c8f47117633b46e2a8eafd0;hp=0000000000000000000000000000000000000000;hpb=787ad7856f5074db4fe805b15bfca61553895de1;p=summerhack

diff --git a/libs/lib3ds/float.c b/libs/lib3ds/float.c
new file mode 100644
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--- /dev/null
+++ b/libs/lib3ds/float.c
@@ -0,0 +1,47 @@
+/*
+ * 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));
+}
+