/in/foo.cc: In function 'int main()':
/in/foo.cc:91:16: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
     sear(x,y,1);
                ^
/in/foo.cc:91:16: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]