View Compilation Error

386902_0_0_11457.cpp
386902_0_0_11457.cpp(37) : error C2668: “log10” : 对重载函数的调用不明确
        VC\include\math.h(614): 可能是“long double log10(long double)”
        VC\include\math.h(566): 或       “float log10(float)”
        VC\include\math.h(194): 或       “double log10(double)”
        试图匹配参数列表“(__int64)”时
386902_0_0_11457.cpp(41) : error C2668: “log10” : 对重载函数的调用不明确
        VC\include\math.h(614): 可能是“long double log10(long double)”
        VC\include\math.h(566): 或       “float log10(float)”
        VC\include\math.h(194): 或       “double log10(double)”
        试图匹配参数列表“(__int64)”时