View Compilation Error

0_0_27731967_13559.cpp: In function 'void solve()':
0_0_27731967_13559.cpp:85:22: error: 'myprint' was not declared in this scope
  if(d<eps){ myprint(0);return; }
                      ^
0_0_27731967_13559.cpp:86:39: error: 'myprint' was not declared in this scope
  if(fabsl(d-1.)<eps) { myprint(4.44288);return; }
                                       ^
0_0_27731967_13559.cpp:94:18: error: 'myprint' was not declared in this scope
   myprint(nam(st));
                  ^
0_0_27731967_13559.cpp:96:33: error: 'myprint' was not declared in this scope
   myprint(pi*sqrt(1+(2-d)*(2-d)));
                                 ^