View Compilation Error

0_0_25990876_12937.cpp: In function 'void js(point, point, LL)':
0_0_25990876_12937.cpp:37:9: error: 'ans' was not declared in this scope
         ans=min(ans,area/sqrt(a*a));
         ^
0_0_25990876_12937.cpp:52:13: error: 'ans' was not declared in this scope
             ans=min(ans,max(h,sqrt(b*b)*sin(AB+A)));
             ^
0_0_25990876_12937.cpp:62:13: error: 'ans' was not declared in this scope
             ans=min(ans,h);
             ^