foo.cc: In function 'int main()':
foo.cc:94:75: warning: 'y0' may be used uninitialized in this function [-Wmaybe-uninitialized]
   94 |                         NSum+=Val[((x0+SX[ENo]*Depth+DX[ENo]*PNo)<<10)|(y0+SY[ENo]*Depth+DY[ENo]*PNo)];
      |                                                                         ~~^~~~~~~~~~~~~~
foo.cc:94:39: warning: 'x0' may be used uninitialized in this function [-Wmaybe-uninitialized]
   94 |                         NSum+=Val[((x0+SX[ENo]*Depth+DX[ENo]*PNo)<<10)|(y0+SY[ENo]*Depth+DY[ENo]*PNo)];
      |                                     ~~^~~~~~~~~~~~~~

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