dev-cpp-users

[Dev-C++] [?] Difference between output formatting styles

[nada <na...@ca...>]

Why does Dev-C++ compile the following just fine:

         cout.setf(ios::fixed,ios::floatfield);
         cout.setf(ios::showpoint);
         cout<<setprecision(2)<<number<<endl;

yet yields a "fixed undeclared" error on:

         cout<<fixed<<showpoint<<setprecision(2)<<number<<endl;

Both include <iomanip>.

It seems that most textbooks use the last style.  Deitel & Deitel is the 
only text I have here that uses the first style.   I am using a newer text 
by Malik which claims to be ANSI/ISO compliant.  It uses the first 
style.  And says the last style is Standard C++.

What's up?

TIA.


{rb}
--
The quickest way to double your money is to fold it in half and put it back 
in your pocket.

Re: [Dev-C++] [?] Difference between output formatting styles

[<ri...@te...>]

nada escribi=F3:

>
> Why does Dev-C++ compile the following just fine:
>
>         cout.setf(ios::fixed,ios::floatfield);
>         cout.setf(ios::showpoint);
>         cout<<setprecision(2)<<number<<endl;
>
> yet yields a "fixed undeclared" error on:
>
>         cout<<fixed<<showpoint<<setprecision(2)<<number<<endl;

You must use setiosflags( ) if you want to use stream manipulators. For=20
using two or more manipulators you must bit OR the flags:

cout << setiosflags(ios::fixed  |ios::showpoint) << setprecision(2) <<=20
number << endl;

By the way, the "fixed undeclarer" error means that gcc treats "fixed"=20
as a variable which wasn=B4t declared

--=20

Saludos

Ricardo Amores Hern=E1ndez
ricky QuitaEsto @ telecable.es

Re: [Dev-C++] [?] Difference between output formatting styles

[nada <na...@ca...>]

>By the way, the "fixed undeclarer" error means that gcc treats "fixed" as=
=20
>a variable which wasn=B4t declared

Is the use:

cout<<fixed;

ANSI/ISO compliant?


{rb}
--
You cannot do a kindness too soon, for you never know how soon it will be=20
too late. - Ralph Waldo Emerson

Re: [Dev-C++] [?] Difference between output formatting styles

[<ri...@te...>]

nada escribi=F3:

> Is the use:
>
> cout<<fixed;
>
> ANSI/ISO compliant?

Isn=B4t that use an error? I=B4ve never seen it before. :/

Re: [Dev-C++] [?] Difference between output formatting styles

[nada <na...@ca...>]

>>cout<<fixed;
>>
>>ANSI/ISO compliant?
>
>Isn=B4t that use an error? I=B4ve never seen it before. :/

This is a statement included in many college textbooks.  It produces an=20
error with the gcc compiler.

I am asking if the statement is an ANSI/ISO compliant statement or not?


{rb}