0_0_21006034_11736.cpp
0_0_21006034_11736.cpp(14) : error C2365: “y1”: 重定义；以前的定义是“函数”
VC2013\INCLUDE\math.h(1001) : 参见“y1”的声明
0_0_21006034_11736.cpp(33) : error C2440: “=”: 无法从“double (__cdecl *)(double)”转换为“int”
没有使该转换得以执行的上下文
0_0_21006034_11736.cpp(35) : error C2107: 非法索引，不允许间接寻址
0_0_21006034_11736.cpp(102) : error C2679: 二进制“>>”: 没有找到接受“double (__cdecl *)(double)”类型的右操作数的运算符(或没有可接受的转换)
VC2013\INCLUDE\istream(485): 可能是“std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(std::basic_streambuf<char,std::char_traits<char>> *)”
VC2013\INCLUDE\istream(466): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(void *&)”
VC2013\INCLUDE\istream(448): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(long double &)”
VC2013\INCLUDE\istream(430): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(double &)”
VC2013\INCLUDE\istream(411): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(float &)”
VC2013\INCLUDE\istream(392): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(unsigned __int64 &)”
VC2013\INCLUDE\istream(373): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(__int64 &)”
VC2013\INCLUDE\istream(353): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(unsigned long &)”
VC2013\INCLUDE\istream(335): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(long &)”
VC2013\INCLUDE\istream(317): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(unsigned int &)”
VC2013\INCLUDE\istream(291): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(int &)”
VC2013\INCLUDE\istream(272): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(unsigned short &)”
VC2013\INCLUDE\istream(237): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(short &)”
VC2013\INCLUDE\istream(218): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(std::_Bool &)”
VC2013\INCLUDE\istream(211): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(std::ios_base &(__cdecl *)(std::ios_base &))”
VC2013\INCLUDE\istream(204): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(std::basic_ios<char,std::char_traits<char>> &(__cdecl *)(std::basic_ios<char,std::char_traits<char>> &))”
VC2013\INCLUDE\istream(198): 或 “std::basic_istream<char,std::char_traits<char>> &std::basic_istream<char,std::char_traits<char>>::operator >>(std::basic_istream<char,std::char_traits<char>> &(__cdecl *)(std::basic_istream<char,std::char_traits<char>> &))”
VC2013\INCLUDE\istream(1103): 或 “std::basic_istream<char,std::char_traits<char>> &std::operator >><char,std::char_traits<char>,double(double)>(std::basic_istream<char,std::char_traits<char>> &&,_Ty (__cdecl &))”
with
[
_Ty=double (double)
]
VC2013\INCLUDE\istream(1093): 或 “std::basic_istream<char,std::char_traits<char>> &std::operator >><std::char_traits<char>>(std::basic_istream<char,std::char_traits<char>> &,unsigned char &)”
VC2013\INCLUDE\istream(1086): 或 “std::basic_istream<char,std::char_traits<char>> &std::operator >><std::char_traits<char>>(std::basic_istream<char,std::char_traits<char>> &,unsigned char *)”
VC2013\INCLUDE\istream(1079): 或 “std::basic_istream<char,std::char_traits<char>> &std::operator >><std::char_traits<char>>(std::basic_istream<char,std::char_traits<char>> &,signed char &)”
VC2013\INCLUDE\istream(1072): 或 “std::basic_istream<char,std::char_traits<char>> &std::operator >><std::char_traits<char>>(std::basic_istream<char,std::char_traits<char>> &,signed char *)”
尝试匹配参数列表“(std::istream, double (__cdecl *)(double))”时
0_0_21006034_11736.cpp(103) : error C2107: 非法索引，不允许间接寻址
0_0_21006034_11736.cpp(108) : error C2446: “==”: 没有从“int”到“double (__cdecl *)(double)”的转换
从整型转换为指针类型要求 reinterpret_cast、C 样式转换或函数样式转换
0_0_21006034_11736.cpp(108) : error C2040: “==”:“double (__cdecl *)(double)”与“int”的间接寻址级别不同
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