How to put Floats in an Output File?

How to put Floats in an Output File?

[tolkamp]

I try to put float values into a file using the following code:

package Float_Io is new Text_Io.Float_Io (Float);

Outp_File  : File_Type;
Value : Float;
Create (Outp_File, Out_File, Outp_Filename);
Put (Outp_File, Float_Io.Put (Value));

Compilation results in the following error message:

no candidate interpretations match the actuals:
missing argument for parameter "Item" in call to Put
context requires function call, found procedure name

Re: How to put Floats in an Output File?

[Adam Beneschan]

On Jan 9, 1:14 pm, tolkamp <f.tolk...@chello.nl> wrote:
> I try to put float values into a file using the following code:
>
> package Float_Io is new Text_Io.Float_Io (Float);
>
> Outp_File  : File_Type;
> Value : Float;
> Create (Outp_File, Out_File, Outp_Filename);
> Put (Outp_File, Float_Io.Put (Value));
>
> Compilation results in the following error message:
>
> no candidate interpretations match the actuals:
> missing argument for parameter "Item" in call to Put
> context requires function call, found procedure name


Float_IO.Put is a procedure, not a function.

                     -- Adam

Re: How to put Floats in an Output File?

[Robert A Duff]

tolkamp <f.tolkamp@chello.nl> writes:

> Put (Outp_File, Float_Io.Put (Value));

You want this:

Float_Io.Put (Outp_File, Value);

You can also do this:

Put (Outp_File, Float'Image (Value));

- Bob

Re: How to put Floats in an Output File?

[anon]

with Ada.Float_Text_IO ;

Ada.Float_Text_IO.Put ( File => Outp_File, Item => Value ) ;

-- or to user the standard output 

Ada.Float_Text_IO.Put ( Value ) ;

-- Of course you can add a few options to more control the format
-- of the output. Options: Fore, Aft, Exp 


In <e4441a73-0a37-49e5-b54b-b6d43dad4c87@a29g2000pra.googlegroups.com>, tolkamp <f.tolkamp@chello.nl> writes:
>I try to put float values into a file using the following code:
>
>package Float_Io is new Text_Io.Float_Io (Float);
>
>Outp_File  : File_Type;
>Value : Float;
>Create (Outp_File, Out_File, Outp_Filename);
>Put (Outp_File, Float_Io.Put (Value));
>
>Compilation results in the following error message:
>
>no candidate interpretations match the actuals:
>missing argument for parameter "Item" in call to Put
>context requires function call, found procedure name

Re: How to put Floats in an Output File?

[tolkamp]

On 10 jan, 02:06, a...@anon.org (anon) wrote:
> with Ada.Float_Text_IO ;
>
> Ada.Float_Text_IO.Put ( File => Outp_File, Item => Value ) ;
>
> -- or to user the standard output
>
> Ada.Float_Text_IO.Put ( Value ) ;
>
> -- Of course you can add a few options to more control the format
> -- of the output. Options: Fore, Aft, Exp
>
> In <e4441a73-0a37-49e5-b54b-b6d43dad4...@a29g2000pra.googlegroups.com>, tolkamp <f.tolk...@chello.nl> writes:
>
>
>
> >I try to put float values into a file using the following code:
>
> >package Float_Io is new Text_Io.Float_Io (Float);
>
> >Outp_File  : File_Type;
> >Value : Float;
> >Create (Outp_File, Out_File, Outp_Filename);
> >Put (Outp_File, Float_Io.Put (Value));
>
> >Compilation results in the following error message:
>
> >no candidate interpretations match the actuals:
> >missing argument for parameter "Item" in call to Put
> >context requires function call, found procedure name- Tekst uit oorspronkelijk bericht niet weergeven -
>
> - Tekst uit oorspronkelijk bericht weergeven -

Thank you for the solutions, these work perfect.