Hi all
I am using DEVCPP 4.9.8.1 which uses MingW32 GCC 3.2 compiler
I am trying to compile this program, but without success, I am sure the
compiler is set up ok, as I can compile and run hello.cpp fine
here is the listing please can someone tell what I am doing wrong please
#include <iostream>
#include <cstdlib>
using namespace std;
int integerPower ( int, int ) ;
int main( void )
{
int x, y ;
cout << "First enter the base number, folowed by the component: " << endl
;
cin >> x, y ;
cout << integerPower ( x, y ) << endl ;
int integerPower ( int base, int component )
{
int ans = base ;
for ( i = component; i >=1; --i )
{
ans *= base ;
}
return ans;
}
system("PAUSE") ;
return 0;
}
and here is the compile log
Compiler: Default compiler
Building Makefile: "M:\C++\How To Program\CH03\Ex 3_18\Makefile.w in"
Executing make...
make.exe -f "M:\C++\How To Program\CH03\Ex 3_18\Makefile.w in" all
g++.exe -c ex3_18.cpp -o
x3_18.o -I"K:/Eric/Dev-Cpp/include/c++" -I"K:/Eric/Dev-Cpp/include/c++/ming
w32" -I"K:/Eric/Dev-Cpp/include/c++/backward" -I"K:/Eric/Dev-Cpp/include"
ex3_18.cpp: In function `int main()':
ex3_18.cpp:18: parse error before `{' token
ex3_18.cpp:20: `component' undeclared (first use this function)
ex3_18.cpp:20: (Each undeclared identifier is reported only once for each
function it appears in.)
ex3_18.cpp:22: `ans' undeclared (first use this function)
ex3_18.cpp:22: `base' undeclared (first use this function)
ex3_18.cpp: At global scope:
ex3_18.cpp:27: ISO C++ forbids declaration of `system' with no type
ex3_18.cpp:27: `int system' redeclared as different kind of symbol
K:/Eric/Dev-Cpp/include/stdlib.h:373: previous declaration of `int
system(const
char*)'
ex3_18.cpp:27: invalid conversion from `const char*' to `int'
ex3_18.cpp:28: parse error before `return'
make.exe: *** [ex3_18.o] Error 1
Execution terminated
I notice that it is moaning about component, which is being passed in to the
function as an argument, I didnt think I needed to declare component first,
as I have already done so in the function prototype, like I say this one has
confused me
TIA 4 2398
"Rich" <RE************ **@yahoo.co.uk> wrote in message
news:bf******** **@pheidippides .axion.bt.co.uk ... Hi all
I am using DEVCPP 4.9.8.1 which uses MingW32 GCC 3.2 compiler
I am trying to compile this program, but without success, I am sure the compiler is set up ok, as I can compile and run hello.cpp fine
here is the listing please can someone tell what I am doing wrong please
#include <iostream> #include <cstdlib>
using namespace std;
int integerPower ( int, int ) ;
int main( void ) { int x, y ;
cout << "First enter the base number, folowed by the component: " <<
endl ; cin >> x, y ;
cout << integerPower ( x, y ) << endl ;
You can define a function within a function or indeed main(), so remove from
here
int integerPower ( int base, int component ) { int ans = base ; for ( i = component; i >=1; --i ) { ans *= base ; }
return ans; }
to here, and then place it at the end of the file
Allan
system("PAUSE") ; return 0; }
and here is the compile log
Compiler: Default compiler Building Makefile: "M:\C++\How To Program\CH03\Ex 3_18\Makefile.w in" Executing make... make.exe -f "M:\C++\How To Program\CH03\Ex 3_18\Makefile.w in" all g++.exe -c ex3_18.cpp -o
3_18.o -I"K:/Eric/Dev-Cpp/include/c++" -I"K:/Eric/Dev-Cpp/include/c++/ming
32" -I"K:/Eric/Dev-Cpp/include/c++/backward" -I"K:/Eric/Dev-Cpp/include" ex3_18.cpp: In function `int main()': ex3_18.cpp:18: parse error before `{' token
ex3_18.cpp:20: `component' undeclared (first use this function) ex3_18.cpp:20: (Each undeclared identifier is reported only once for each function it appears in.) ex3_18.cpp:22: `ans' undeclared (first use this function) ex3_18.cpp:22: `base' undeclared (first use this function)
ex3_18.cpp: At global scope: ex3_18.cpp:27: ISO C++ forbids declaration of `system' with no type
ex3_18.cpp:27: `int system' redeclared as different kind of symbol K:/Eric/Dev-Cpp/include/stdlib.h:373: previous declaration of `int system(const char*)' ex3_18.cpp:27: invalid conversion from `const char*' to `int' ex3_18.cpp:28: parse error before `return'
make.exe: *** [ex3_18.o] Error 1
Execution terminated
I notice that it is moaning about component, which is being passed in to
the function as an argument, I didnt think I needed to declare component
first, as I have already done so in the function prototype, like I say this one
has confused me TIA
Allan Bruce wrote: "Rich" <RE************ **@yahoo.co.uk> wrote in message news:bf******** **@pheidippides .axion.bt.co.uk ...
Hi all
I am using DEVCPP 4.9.8.1 which uses MingW32 GCC 3.2 compiler
I am trying to compile this program, but without success, I am sure the compiler is set up ok, as I can compile and run hello.cpp fine
here is the listing please can someone tell what I am doing wrong please
#include <iostream> #include <cstdlib>
using namespace std;
int integerPower ( int, int ) ;
int main( void ) { int x, y ;
cout << "First enter the base number, folowed by the component: " << endl
; cin >> x, y ;
cin >> x >> y; cout << integerPower ( x, y ) << endl ;
You can define a function within a function or indeed main(), so remove from
^^^^^
can't
here
int integerPower ( int base, int component ) { int ans = base ; for ( i = component; i >=1; --i ) { ans *= base ; }
return ans; }
to here, and then place it at the end of the file Allan system("PAUSE") ; return 0; }
and here is the compile log
Compiler: Default compiler Building Makefile: "M:\C++\How To Program\CH03\Ex 3_18\Makefile.w in" Executing make... make.exe -f "M:\C++\How To Program\CH03\Ex 3_18\Makefile.w in" all g++.exe -c ex3_18.cpp -o
3_18.o -I"K:/Eric/Dev-Cpp/include/c++" -I"K:/Eric/Dev-Cpp/include/c++/ming
32" -I"K:/Eric/Dev-Cpp/include/c++/backward" -I"K:/Eric/Dev-Cpp/include"
ex3_18.cpp: In function `int main()': ex3_18.cpp:18 : parse error before `{' token
ex3_18.cpp:20 : `component' undeclared (first use this function) ex3_18.cpp:20 : (Each undeclared identifier is reported only once for each function it appears in.) ex3_18.cpp:22 : `ans' undeclared (first use this function) ex3_18.cpp:22 : `base' undeclared (first use this function)
ex3_18.cpp: At global scope: ex3_18.cpp:27 : ISO C++ forbids declaration of `system' with no type
ex3_18.cpp:27 : `int system' redeclared as different kind of symbol K:/Eric/Dev-Cpp/include/stdlib.h:373: previous declaration of `int system(cons t char*)' ex3_18.cpp:27 : invalid conversion from `const char*' to `int' ex3_18.cpp:28 : parse error before `return'
make.exe: *** [ex3_18.o] Error 1
Execution terminated
I notice that it is moaning about component, which is being passed in to
the
function as an argument, I didnt think I needed to declare component
first,
as I have already done so in the function prototype, like I say this one
has
confused me
See above.
HTH,
--ag
--
Artie Gold -- Austin, Texas
cin >> x >> y;
Thanks :) You can define a function within a function or indeed main(), so remove
from ^^^^^ can't
Ahhh I did wonder if Allan might have meant can't, as it was already
defined in main
I forgot that it is not allowed to define a function within a function, and
that main is itself a function
cheers guys
Rich See above. HTH, --ag
-- Artie Gold -- Austin, Texas
"Artie Gold" <ar*******@aust in.rr.com> wrote in message
news:3F******** ******@austin.r r.com... Allan Bruce wrote: "Rich" <RE************ **@yahoo.co.uk> wrote in message news:bf******** **@pheidippides .axion.bt.co.uk ...
Hi all
I am using DEVCPP 4.9.8.1 which uses MingW32 GCC 3.2 compiler
I am trying to compile this program, but without success, I am sure the compiler is set up ok, as I can compile and run hello.cpp fine
here is the listing please can someone tell what I am doing wrong please
#include <iostream> #include <cstdlib>
using namespace std;
int integerPower ( int, int ) ;
int main( void ) { int x, y ;
cout << "First enter the base number, folowed by the component: " << endl
; cin >> x, y ; cin >> x >> y;
cout << integerPower ( x, y ) << endl ;
You can define a function within a function or indeed main(), so remove
from ^^^^^ can't
here
int integerPower ( int base, int component ) { int ans = base ; for ( i = component; i >=1; --i ) { ans *= base ; }
return ans; }
to here, and then place it at the end of the file Allan system("PAUSE") ; return 0; }
and here is the compile log
Compiler: Default compiler Building Makefile: "M:\C++\How To Program\CH03\Ex 3_18\Makefile.w in" Executing make... make.exe -f "M:\C++\How To Program\CH03\Ex 3_18\Makefile.w in" all g++.exe -c ex3_18.cpp -o
_18.o -I"K:/Eric/Dev-Cpp/include/c++" -I"K:/Eric/Dev-Cpp/include/c++/ming
2" -I"K:/Eric/Dev-Cpp/include/c++/backward" -I"K:/Eric/Dev-Cpp/include"ex3_18.cpp: In function `int main()': ex3_18.cpp:18 : parse error before `{' token
ex3_18.cpp:20 : `component' undeclared (first use this function) ex3_18.cpp:20 : (Each undeclared identifier is reported only once for
each function it appears in.) ex3_18.cpp:22 : `ans' undeclared (first use this function) ex3_18.cpp:22 : `base' undeclared (first use this function)
ex3_18.cpp: At global scope: ex3_18.cpp:27 : ISO C++ forbids declaration of `system' with no type
ex3_18.cpp:27 : `int system' redeclared as different kind of symbol K:/Eric/Dev-Cpp/include/stdlib.h:373: previous declaration of `int system(cons t char*)' ex3_18.cpp:27 : invalid conversion from `const char*' to `int' ex3_18.cpp:28 : parse error before `return'
make.exe: *** [ex3_18.o] Error 1
Execution terminated
I notice that it is moaning about component, which is being passed in to
the
function as an argument, I didnt think I needed to declare component
first,
as I have already done so in the function prototype, like I say this one
has
confused me
See above. HTH, --ag
-- Artie Gold -- Austin, Texas
Er, yup thats what I meant ;-)
Allan This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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