View Compilation Error

0_0_36761736_12163.cpp
0_0_36761736_12163.cpp(12) : error C2365: “log”: 重定义；以前的定义是“函数”
0_0_36761736_12163.cpp(24) : error C2057: 应输入常量表达式
0_0_36761736_12163.cpp(24) : error C2466: 不能分配常量大小为 0 的数组
0_0_36761736_12163.cpp(49) : error C2563: 在形参表中不匹配
0_0_36761736_12163.cpp(49) : error C2568: “<”: 无法解析函数重载
        VC2013\INCLUDE\xtgmath.h(104): 可能是“::std::enable_if<std::is_integral<_Ty>::value,double>::type log(_Ty)”
        VC2013\INCLUDE\math.h(1209): 或       “long double log(long double) throw()”
        VC2013\INCLUDE\math.h(1093): 或       “float log(float) throw()”
        VC2013\INCLUDE\math.h(501): 或       “double log(double)”
        VC2013\INCLUDE\math.h(501): 或       “double log(double)”
        VC2013\INCLUDE\math.h(1093): 或       “float log(float) throw()”
        VC2013\INCLUDE\math.h(1209): 或       “long double log(long double) throw()”
        VC2013\INCLUDE\xtgmath.h(104): 或       “::std::enable_if<std::is_integral<_Ty>::value,double>::type log(_Ty)”
0_0_36761736_12163.cpp(64) : error C2563: 在形参表中不匹配
0_0_36761736_12163.cpp(64) : error C2568: “<”: 无法解析函数重载
        VC2013\INCLUDE\xtgmath.h(104): 可能是“::std::enable_if<std::is_integral<_Ty>::value,double>::type log(_Ty)”
        VC2013\INCLUDE\math.h(1209): 或       “long double log(long double) throw()”
        VC2013\INCLUDE\math.h(1093): 或       “float log(float) throw()”
        VC2013\INCLUDE\math.h(501): 或       “double log(double)”
        VC2013\INCLUDE\math.h(501): 或       “double log(double)”
        VC2013\INCLUDE\math.h(1093): 或       “float log(float) throw()”
        VC2013\INCLUDE\math.h(1209): 或       “long double log(long double) throw()”
        VC2013\INCLUDE\xtgmath.h(104): 或       “::std::enable_if<std::is_integral<_Ty>::value,double>::type log(_Ty)”
0_0_36761736_12163.cpp(70) : error C2563: 在形参表中不匹配