View Compilation Error

0_0_33904541_5418.cpp: In function 'int main()':
0_0_33904541_5418.cpp:54:42: error: expected ')' before ';' token
         ans2=min(ans2,calc(0,sqrt(1.0/b));
                                          ^
0_0_33904541_5418.cpp:55:43: error: expected ')' before ';' token
         ans2=min(ans2,calc(0,-sqrt(1.0/b));
                                           ^
0_0_33904541_5418.cpp:56:39: error: 'ans' was not declared in this scope
         cout<<fixed<<setprecision(7)<<ans<<endl;
                                       ^