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Annotation of researchv10no/cmd/view2d/term/3d.h, revision 1.1.1.1

1.1       root        1: #define        ONE     16384           /* guarantee no overflow in xformp */
                      2: typedef short fract;           /* fixed point scaled by ONE */
                      3: typedef fract matrix[4][4];
                      4: typedef short coord[4];
                      5: typedef unsigned short angle;
                      6: class Hcoord
                      7: {
                      8: public:
                      9:        fract x, y, z, w;
                     10:        Hcoord(fract a, fract b, fract c, fract d) {x=a; y=b; z=c; w=d;}
                     11: };
                     12: struct Hcoordl{
                     13:        long x, y, z, w;
                     14: };
                     15: #define        PI      (angle)32768
                     16: #define        mkangle(x)      cvtangle[x]
                     17: extern angle cvtangle[];
                     18: fract isin(fract), icos(fract);
                     19: long isqrt(long);
                     20: #define        XAXIS   0
                     21: #define        YAXIS   1
                     22: #define        ZAXIS   2
                     23: long dot(Hcoord, Hcoord);
                     24: Hcoord cross(Hcoord, Hcoord);
                     25: Hcoordl xformp(Hcoord);
                     26: extern Hcoord unitize(Hcoord);
                     27: extern Bitmap *viewport;
                     28: void init3(Bitmap *, short, short);
                     29: void push3(), pop3(), rot3(short, short);
                     30: extern clip3scale;

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