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