ReactOS  0.4.15-dev-439-g292f67a
knotvector.h
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30 
31 /*
32  * knotvector.h
33  *
34  */
35 
36 #ifndef __gluknotvector_h_
37 #define __gluknotvector_h_
38 
39 #include "types.h"
40 
41 struct Knotvector { /* a knot vector */
42  Knotvector( void );
43  ~Knotvector( void );
44  void init( long, long, long, INREAL * );
45  int validate( void );
46  void show( const char * );
47 
48  long order; /* order of spline */
49  long knotcount; /* number of knots */
50  long stride; /* bytes between points */
51  Knot * knotlist; /* global knot vector */
52 };
53 
54 /* tolerance to test knot coincidence */
55 #define TOLERANCE 1.0e-5
56 
57 inline int
59 {
60  return ((x-y) < TOLERANCE) ? 1 : 0;
61 }
62 #endif /* __gluknotvector_h_ */
void init(long, long, long, INREAL *)
Definition: knotvector.cc:50
Knot * knotlist
Definition: knotvector.h:51
REAL Knot
Definition: types.h:45
GLint GLint GLint GLint GLint x
Definition: gl.h:1548
void show(const char *)
Definition: knotvector.cc:132
#define TOLERANCE
Definition: knotvector.h:55
#define INREAL
Definition: types.h:40
int identical(Knot x, Knot y)
Definition: knotvector.h:58
~Knotvector(void)
Definition: knotvector.cc:70
long knotcount
Definition: knotvector.h:49
GLint GLint GLint GLint GLint GLint y
Definition: gl.h:1548
int validate(void)
Definition: knotvector.cc:75
long order
Definition: knotvector.h:48
long stride
Definition: knotvector.h:50
Knotvector(void)
Definition: knotvector.cc:62