coltsrock

I keep getting this error in Visual Studios 05 when i try to edit SodaDMTGuys speed converter, I am trying to change it to a length (english/metric converter) and if i edit the line:
cin >> c2d;
cout << "Comparable AMD Athlon (64/X2/FX) speed is: " << c2d * 1.3333333333333333333333 << endl;

to:
cin >> mile;
cout << "Comparable AMD Athlon (64/X2/FX) speed is: " << mile * 1.3333333333333333333333 << endl;


It says that Mile is an undeclared identifier so what do i do to it?

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sherlok

I'm assuming it compiled when it said c2d?

You probably didn't initialize mile, ie before you can store whatever input the user enters in the variable mile you have to tell the computer your using it.

Something like

float mile; or double mile;

unless you did that?

dangerousHobo

Some where theres probaby a line that says
int c2d;
or
double c2d;

you just need to change that or add
int mile;
or
double mile;


The error message means you never declared what type of scalar mile is.

I don't think its an initialization problems since it says unknown identifier, I think he just never declared "mile" before he tried to use it.

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coltsrock

no, I just edited the compiled program, so i figured it would work if I just changed the variables/words, ill try doing what you said
EDIT: ^Gotcha

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sherlok

yea you can't jsut edit single parts, if you change a variable name in one place you have to search the entire program to change all isntances of it. The program needs to know what kind of variable it is so it can allocate the right space for it and so it knows what 'things' you can do to it and what you can't.

coltsrock

Alright I will look for all instances of it
EDIT: DUH forgot to change the beginning variables

EDIT: what does this mean:
c:\documents and settings\user\my documents\visual studio 2005\projects\speed coverter\speed coverter\file.cpp(52) : error C2563: mismatch in formal parameter list
c:\documents and settings\user\my documents\visual studio 2005\projects\speed coverter\speed coverter\file.cpp(52) : error C2568: '<<' : unable to resolve function overload
c:\program files\microsoft visual studio 8\vc\include\ostream(971): could be 'std::basic_ostream<_Elem,_Traits> &std::endl(std::basic_ostream<_Elem,_Traits> &)'
with
[
_Elem=wchar_t,
_Traits=std::char_traits<wchar_t>
]
c:\program files\microsoft visual studio 8\vc\include\ostream(963): or 'std::basic_ostream<_Elem,_Traits> &std::endl(std::basic_ostream<_Elem,_Traits> &)'
with
[
_Elem=char,
_Traits=std::char_traits<char>
]
c:\program files\microsoft visual studio 8\vc\include\ostream(937): or 'std::basic_ostream<_Elem,_Traits> &std::endl(std::basic_ostream<_Elem,_Traits> &)'
c:\documents and settings\user\my documents\visual studio 2005\projects\speed coverter\speed coverter\file.cpp(64) : error C2563: mismatch in formal parameter list
c:\documents and settings\user\my documents\visual studio 2005\projects\speed coverter\speed coverter\file.cpp(64) : error C2568: '<<' : unable to resolve function overload
c:\program files\microsoft visual studio 8\vc\include\ostream(971): could be 'std::basic_ostream<_Elem,_Traits> &std::endl(std::basic_ostream<_Elem,_Traits> &)'
with
[
_Elem=wchar_t,
_Traits=std::char_traits<wchar_t>
]
c:\program files\microsoft visual studio 8\vc\include\ostream(963): or 'std::basic_ostream<_Elem,_Traits> &std::endl(std::basic_ostream<_Elem,_Traits> &)'
with
[
_Elem=char,
_Traits=std::char_traits<char>
]
c:\program files\microsoft visual studio 8\vc\include\ostream(937): or 'std::basic_ostream<_Elem,_Traits> &std::endl(std::basic_ostream<_Elem,_Traits> &)'
Build log was saved at "file://c:\Documents and Settings\User\My Documents\Visual Studio 2005\Projects\speed coverter\speed coverter\Debug\BuildLog.htm"

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coltsrock

any ideas guys? I Tried changing th beginning variables, and every instance and got that^ error

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kdbolt70

eesh, those are some strange error messages, it'd be easier if you posted up your code so we could see what was happening. You don't even need to replace c2d with mile in every case, as long as you declare mile.

Also, are you including

#include <iostream>

at the top of your file?

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coltsrock

well i got it to work, i think it was that i was using commas to write 5280 so now its fine

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The_Rocker

You didn't declare mile.

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