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Annotation of researchv10no/libplot/libpen/arc.c, revision 1.1

1.1     ! root        1: #include "pen.h"
        !             2: arc(x1, y1, x2, y2, xc, yc, r)
        !             3: double x1, y1, x2, y2, xc, yc, r;
        !             4: {
        !             5:        float th;
        !             6:        if(noscale){
        !             7:        x1 = SCX(x1);
        !             8:        y1 = SCY(y1);
        !             9:        x2 = SCX(x2);
        !            10:        y2 = SCY(y2);
        !            11:        xc = SCX(xc);
        !            12:        yc = SCY(yc);
        !            13:        r = SCX(r);
        !            14:        }
        !            15:        th = theta(x1,y1,x2,y2,xc,yc,r);
        !            16:        penUp();
        !            17:        fprintf(pltout,"PA %8.2f,%8.2f; PD; AA %8.2f,%8.2f,%8.2f;\n",
        !            18:                x1,y1,xc,yc,th);
        !            19:        penstate = DOWN;
        !            20:        ckerr(0);
        !            21: }

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