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fixed a bug with centerin
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@ -1506,14 +1506,14 @@ void finishshape() {
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if(s == 3)
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last->intester = hpxy(.2, .2518);
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last->flags &=~ POLY_BADCENTERIN;
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last->flags &=~ (POLY_BADCENTERIN | POLY_CENTERIN);
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for(int i=last->s; i<last->e-1; i++) {
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ld x1 = hpc[i][0] - last->intester[0], y1 = hpc[i][1] - last->intester[1], x2 = hpc[i+1][0] - last->intester[0], y2 = hpc[i+1][1] - last->intester[1];
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if(asign(y1, y2)) {
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ld x = xcross(x1, y1, x2, y2);
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if(abs(x) < 1e-3 && !(last->flags & POLY_ISSIDE)) {
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printf("close call [%d], x = %lf\n", s, x);
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if(s >= 2) printf("close call [%d], x = %lf\n", s, x);
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last->flags |= POLY_BADCENTERIN;
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}
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if(x < 0) last->flags ^= POLY_CENTERIN;
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