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- /*
- * rotspline.h
- *
- * Copyright (C) 1989, 1991, Craig E. Kolb
- * All rights reserved.
- *
- * This software may be freely copied, modified, and redistributed
- * provided that this copyright notice is preserved on all copies.
- *
- * You may not distribute this software, in whole or in part, as part of
- * any commercial product without the express consent of the authors.
- *
- * There is no warranty or other guarantee of fitness of this software
- * for any purpose. It is provided solely "as is".
- *
- * rotspline.h,v 4.1 1994/08/09 08:00:01 explorer Exp
- *
- * rotspline.h,v
- * Revision 4.1 1994/08/09 08:00:01 explorer
- * Bump version to 4.1
- *
- * Revision 1.1.1.1 1994/08/08 04:52:10 explorer
- * Initial import. This is a prerelease of 4.0.6enh3, or 4.1 possibly.
- *
- */
- #ifndef ROTSPLINE_H
- #define ROTSPLINE_H
-
- #define GeomRotsplineCreate(a,r1,d1,b,r2,d2,c) GeomCreate((GeomRef)RotsplineCreate(a,r1,d1,b,r2,d2,c), \
- RotsplineMethods())
-
- #define EvalSpline(c, x) (c[3]*x*x*x + c[2]*x*x + c[1]*x + c[0])
-
- /*
- * Rotspline
- */
- typedef struct rotspline {
- Float *k;
- Float w;
- Trans trans;
- } Rotspline;
-
- extern Rotspline *RotsplineCreate();
- extern int RotsplineIntersect(), RotsplineEnter(), RotsplineNormal();
- extern void RotsplineBounds(), RotsplineStats(), RotsplineUV();
- extern char *RotsplineName();
- extern Methods *RotsplineMethods();
-
- #endif /* ROTSPLINE_H */
-