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Annotation of researchv10no/libplot/libpen/arc.c, revision 1.1.1.1

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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