View Compilation Error

100062_0_25686.cpp
100062_0_25686.cpp(5) : error C2086: 'x1' : redefinition
100062_0_25686.cpp(5) : error C2086: 'y2' : redefinition
100062_0_25686.cpp(6) : error C2065: 'x2' : undeclared identifier
100062_0_25686.cpp(6) : error C2679: binary '>>' : no operator defined which takes a right-hand operand of type 'double (__cdecl *)(double)' (or there is no acceptable conversion)
100062_0_25686.cpp(6) : fatal error C1903: unable to recover from previous error(s); stopping compilation