in modules/features2d/src/agast_score.cpp [9015:9373]
int agast_cornerScore<AgastFeatureDetector::AGAST_5_8>(const uchar* ptr, const int pixel[], int threshold)
{
int bmin = threshold;
int bmax = 255;
int b_test = (bmax + bmin)/2;
register short offset0 = (short) pixel[0];
register short offset1 = (short) pixel[1];
register short offset2 = (short) pixel[2];
register short offset3 = (short) pixel[3];
register short offset4 = (short) pixel[4];
register short offset5 = (short) pixel[5];
register short offset6 = (short) pixel[6];
register short offset7 = (short) pixel[7];
while(true)
{
register const int cb = *ptr + b_test;
register const int c_b = *ptr - b_test;
if(ptr[offset0] > cb)
if(ptr[offset2] > cb)
if(ptr[offset3] > cb)
if(ptr[offset5] > cb)
if(ptr[offset1] > cb)
if(ptr[offset4] > cb)
goto is_a_corner;
else
if(ptr[offset7] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset4] > cb)
if(ptr[offset6] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset1] > cb)
if(ptr[offset4] > cb)
goto is_a_corner;
else
if(ptr[offset7] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset7] > cb)
if(ptr[offset6] > cb)
if(ptr[offset5] > cb)
if(ptr[offset1] > cb)
goto is_a_corner;
else
if(ptr[offset4] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset1] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset5] < c_b)
if(ptr[offset3] < c_b)
if(ptr[offset7] < c_b)
if(ptr[offset4] < c_b)
if(ptr[offset6] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset5] > cb)
if(ptr[offset7] > cb)
if(ptr[offset6] > cb)
if(ptr[offset1] > cb)
goto is_a_corner;
else
if(ptr[offset4] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset5] < c_b)
if(ptr[offset3] < c_b)
if(ptr[offset2] < c_b)
if(ptr[offset1] < c_b)
if(ptr[offset4] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset4] < c_b)
if(ptr[offset6] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset7] < c_b)
if(ptr[offset4] < c_b)
if(ptr[offset6] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else if(ptr[offset0] < c_b)
if(ptr[offset2] < c_b)
if(ptr[offset7] > cb)
if(ptr[offset3] < c_b)
if(ptr[offset5] < c_b)
if(ptr[offset1] < c_b)
if(ptr[offset4] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset4] < c_b)
if(ptr[offset6] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset1] < c_b)
if(ptr[offset4] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset5] > cb)
if(ptr[offset3] > cb)
if(ptr[offset4] > cb)
if(ptr[offset6] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset7] < c_b)
if(ptr[offset3] < c_b)
if(ptr[offset5] < c_b)
if(ptr[offset1] < c_b)
goto is_a_corner;
else
if(ptr[offset4] < c_b)
if(ptr[offset6] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset1] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset6] < c_b)
if(ptr[offset5] < c_b)
if(ptr[offset1] < c_b)
goto is_a_corner;
else
if(ptr[offset4] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset1] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset3] < c_b)
if(ptr[offset5] < c_b)
if(ptr[offset1] < c_b)
if(ptr[offset4] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset4] < c_b)
if(ptr[offset6] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset1] < c_b)
if(ptr[offset4] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset5] > cb)
if(ptr[offset3] > cb)
if(ptr[offset2] > cb)
if(ptr[offset1] > cb)
if(ptr[offset4] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset4] > cb)
if(ptr[offset6] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset7] > cb)
if(ptr[offset4] > cb)
if(ptr[offset6] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset5] < c_b)
if(ptr[offset7] < c_b)
if(ptr[offset6] < c_b)
if(ptr[offset1] < c_b)
goto is_a_corner;
else
if(ptr[offset4] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset3] > cb)
if(ptr[offset5] > cb)
if(ptr[offset2] > cb)
if(ptr[offset1] > cb)
if(ptr[offset4] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset4] > cb)
if(ptr[offset6] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset7] > cb)
if(ptr[offset4] > cb)
if(ptr[offset6] > cb)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset3] < c_b)
if(ptr[offset5] < c_b)
if(ptr[offset2] < c_b)
if(ptr[offset1] < c_b)
if(ptr[offset4] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset4] < c_b)
if(ptr[offset6] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
if(ptr[offset7] < c_b)
if(ptr[offset4] < c_b)
if(ptr[offset6] < c_b)
goto is_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
else
goto is_not_a_corner;
is_a_corner:
bmin=b_test;
goto end;
is_not_a_corner:
bmax=b_test;
goto end;
end:
if(bmin == bmax - 1 || bmin == bmax)
return bmin;
b_test = (bmin + bmax) / 2;
}
}