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    Searched defs:dx0 (Results 1 - 3 of 3) sorted by null

  /external/opencv/cv/src/
cvconvhull.cpp 658 double dx0, dy0; local
670 dx0 = (double)hull_next->x - (double)hull_cur->x;
672 assert( dx0 != 0 || dy0 != 0 );
673 scale = 1./sqrt(dx0*dx0 + dy0*dy0);
694 double dist = fabs(-dy0*dx + dx0*dy) * scale;
769 int dx0 = cur_pt->x - prev_pt->x; local
785 dydx0 = dy * dx0;
788 /*orient = -dy0 * dx + dx0 * dy;
799 dx0 = dx
810 float dx0 = cur_pt->x - prev_pt->x; local
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cvcalibinit.cpp 508 float prevt = 0, dx0 = b.x - a.x, dy0 = b.y - a.y; local
509 if( fabs(dx0) + fabs(dy0) < FLT_EPSILON )
515 float t = ((c.x - a.x)*dx0 + (c.y - a.y)*dy0)/(dx0*dx0 + dy0*dy0);
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cvhough.cpp 564 int i, j, k, x0, y0, dx0, dy0, xflag; local
604 dx0 = a > 0 ? 1 : -1;
612 dx0 = cvRound( a*(1 << shift)/fabs(b) );
618 int gap = 0, x = x0, y = y0, dx = dx0, dy = dy0;
666 int x = x0, y = y0, dx = dx0, dy = dy0;
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