View Compilation Error

919963_0_0_14628.cpp
919963_0_0_14628.cpp(27) : error C2668: “atan2” : 对重载函数的调用不明确
        VC\include\math.h(592): 可能是“long double atan2(long double,long double)”
        VC\include\math.h(544): 或       “float atan2(float,float)”
        VC\include\math.h(186): 或       “double atan2(double,double)”
        试图匹配参数列表“(int, int)”时
919963_0_0_14628.cpp(42) : error C2059: 语法错误 : “?”
919963_0_0_14628.cpp(44) : error C2059: 语法错误 : “?”