Avoid scientific notation when casting numbers to string

[Dennis Myrén]

Hi.

Is there a way to make sure that float, double and decimal data types
never will be presented in a scientific notation?

I have tried to round(Math.Roun d) float's to 7 decimals, double's to 15
and decimals to 28 decimals, but that does not help.
And the System.Globaliz ation.NumberFor matInfo class does not seem to provide
a such function.


Thank you

Regards, Dennis

[Dmitriy Lapshin [C# / .NET MVP]]

Re: Avoid scientific notation when casting numbers to string

Hi,

You could just play with format specification strings like in this MSDN
example from the
"Standard Numeric Format Strings" topic:

using System;
using System.Threadin g;
using System.Globaliz ation;

class Class1
{
static void Main()
{
Thread.CurrentT hread.CurrentCu lture = new CultureInfo("en-us");
double MyDouble = 123456789;

Console.WriteLi ne("The examples in en-US culture.\n");
Console.WriteLi ne(MyDouble.ToS tring("C"));
Console.WriteLi ne(MyDouble.ToS tring("E"));
Console.WriteLi ne(MyDouble.ToS tring("P"));
Console.WriteLi ne(MyDouble.ToS tring("N"));
Console.WriteLi ne(MyDouble.ToS tring("F"));

Thread.CurrentT hread.CurrentCu lture = new CultureInfo("de-DE");
Console.WriteLi ne("The examples in de-DE culture.\n");
Console.WriteLi ne(MyDouble.ToS tring("C"));
Console.WriteLi ne(MyDouble.ToS tring("E"));
Console.WriteLi ne(MyDouble.ToS tring("P"));
Console.WriteLi ne(MyDouble.ToS tring("N"));
Console.WriteLi ne(MyDouble.ToS tring("F"));
}
}


--
Dmitriy Lapshin [C# / .NET MVP]
X-Unity Test Studio

http://x-unity.miik.com.ua/teststudio.aspx

Bring the power of unit testing to VS .NET IDE

"Dennis Myr?n" <dennis.myren@g reydigital.no-spam.no> wrote in message
news:blh2ia$la0 $1@news.tdcnorg e.no...[color=blue]
> Hi.
>
> Is there a way to make sure that float, double and decimal data types
> never will be presented in a scientific notation?
>
> I have tried to round(Math.Roun d) float's to 7 decimals, double's to 15
> and decimals to 28 decimals, but that does not help.
> And the System.Globaliz ation.NumberFor matInfo class does not seem to[/color]
provide[color=blue]
> a such function.
>
>
> Thank you
>
> Regards, Dennis
>
>[/color]

[Dennis Myrén]

Re: Avoid scientific notation when casting numbers to string

Thank you for the reply.
However, it is not that simple.
Not any of those format strings does help in my case.


"Dmitriy Lapshin [C# / .NET MVP]" <x-code@no-spam-please.hotpop.c om> wrote
in message news:O$XjMdPiDH A.428@TK2MSFTNG P12.phx.gbl...[color=blue]
> Hi,
>
> You could just play with format specification strings like in this MSDN
> example from the
> "Standard Numeric Format Strings" topic:
>
> using System;
> using System.Threadin g;
> using System.Globaliz ation;
>
> class Class1
> {
> static void Main()
> {
> Thread.CurrentT hread.CurrentCu lture = new CultureInfo("en-us");
> double MyDouble = 123456789;
>
> Console.WriteLi ne("The examples in en-US culture.\n");
> Console.WriteLi ne(MyDouble.ToS tring("C"));
> Console.WriteLi ne(MyDouble.ToS tring("E"));
> Console.WriteLi ne(MyDouble.ToS tring("P"));
> Console.WriteLi ne(MyDouble.ToS tring("N"));
> Console.WriteLi ne(MyDouble.ToS tring("F"));
>
> Thread.CurrentT hread.CurrentCu lture = new CultureInfo("de-DE");
> Console.WriteLi ne("The examples in de-DE culture.\n");
> Console.WriteLi ne(MyDouble.ToS tring("C"));
> Console.WriteLi ne(MyDouble.ToS tring("E"));
> Console.WriteLi ne(MyDouble.ToS tring("P"));
> Console.WriteLi ne(MyDouble.ToS tring("N"));
> Console.WriteLi ne(MyDouble.ToS tring("F"));
> }
> }
>
>
> --
> Dmitriy Lapshin [C# / .NET MVP]
> X-Unity Test Studio
> http://x-unity.miik.com.ua/teststudio.aspx
> Bring the power of unit testing to VS .NET IDE
>
> "Dennis Myr?n" <dennis.myren@g reydigital.no-spam.no> wrote in message
> news:blh2ia$la0 $1@news.tdcnorg e.no...[color=green]
> > Hi.
> >
> > Is there a way to make sure that float, double and decimal data types
> > never will be presented in a scientific notation?
> >
> > I have tried to round(Math.Roun d) float's to 7 decimals, double's to 15
> > and decimals to 28 decimals, but that does not help.
> > And the System.Globaliz ation.NumberFor matInfo class does not seem to[/color]
> provide[color=green]
> > a such function.
> >
> >
> > Thank you
> >
> > Regards, Dennis
> >
> >[/color]
>[/color]

[Dmitriy Lapshin [C# / .NET MVP]]

Re: Avoid scientific notation when casting numbers to string

Dennis,

Maybe it's just I don't understand what you are trying to achieve? Could you
please elaborate?

--
Dmitriy Lapshin [C# / .NET MVP]
X-Unity Test Studio

http://x-unity.miik.com.ua/teststudio.aspx

Bring the power of unit testing to VS .NET IDE

"Dennis Myr?n" <dennis.myren@g reydigital.no-spam.no> wrote in message
news:blj9k6$gnh $1@news.tdcnorg e.no...[color=blue]
> Thank you for the reply.
> However, it is not that simple.
> Not any of those format strings does help in my case.
>
>
> "Dmitriy Lapshin [C# / .NET MVP]" <x-code@no-spam-please.hotpop.c om> wrote
> in message news:O$XjMdPiDH A.428@TK2MSFTNG P12.phx.gbl...[color=green]
> > Hi,
> >
> > You could just play with format specification strings like in this MSDN
> > example from the
> > "Standard Numeric Format Strings" topic:
> >
> > using System;
> > using System.Threadin g;
> > using System.Globaliz ation;
> >
> > class Class1
> > {
> > static void Main()
> > {
> > Thread.CurrentT hread.CurrentCu lture = new CultureInfo("en-us");
> > double MyDouble = 123456789;
> >
> > Console.WriteLi ne("The examples in en-US culture.\n");
> > Console.WriteLi ne(MyDouble.ToS tring("C"));
> > Console.WriteLi ne(MyDouble.ToS tring("E"));
> > Console.WriteLi ne(MyDouble.ToS tring("P"));
> > Console.WriteLi ne(MyDouble.ToS tring("N"));
> > Console.WriteLi ne(MyDouble.ToS tring("F"));
> >
> > Thread.CurrentT hread.CurrentCu lture = new CultureInfo("de-DE");
> > Console.WriteLi ne("The examples in de-DE culture.\n");
> > Console.WriteLi ne(MyDouble.ToS tring("C"));
> > Console.WriteLi ne(MyDouble.ToS tring("E"));
> > Console.WriteLi ne(MyDouble.ToS tring("P"));
> > Console.WriteLi ne(MyDouble.ToS tring("N"));
> > Console.WriteLi ne(MyDouble.ToS tring("F"));
> > }
> > }
> >
> >
> > --
> > Dmitriy Lapshin [C# / .NET MVP]
> > X-Unity Test Studio
> > http://x-unity.miik.com.ua/teststudio.aspx
> > Bring the power of unit testing to VS .NET IDE
> >
> > "Dennis Myr?n" <dennis.myren@g reydigital.no-spam.no> wrote in message
> > news:blh2ia$la0 $1@news.tdcnorg e.no...[color=darkred]
> > > Hi.
> > >
> > > Is there a way to make sure that float, double and decimal data types
> > > never will be presented in a scientific notation?
> > >
> > > I have tried to round(Math.Roun d) float's to 7 decimals, double's to[/color][/color][/color]
15[color=blue][color=green][color=darkred]
> > > and decimals to 28 decimals, but that does not help.
> > > And the System.Globaliz ation.NumberFor matInfo class does not seem to[/color]
> > provide[color=darkred]
> > > a such function.
> > >
> > >
> > > Thank you
> > >
> > > Regards, Dennis
> > >
> > >[/color]
> >[/color]
>
>[/color]

[Jon Skeet]

Re: Avoid scientific notation when casting numbers to string

Dennis Myrén <dennis.myren@g reydigital.no-spam.no> wrote:[color=blue]
> Thank you for the reply.
> However, it is not that simple.
> Not any of those format strings does help in my case.[/color]

The "F" specifier should be fine for you, but you'll need to specify
how many decimal places you want.

Note that .NET doesn't give you any easy way of formatting the *exact*
value of a double (or float) as a string. If you want that, you can use
the code I've got on

http://www.pobox.com/~skeet/csharp/floatingpoint.html

--
Jon Skeet - <skeet@pobox.co m>

http://www.pobox.com/~skeet

If replying to the group, please do not mail me too

[Dennis Myrén]

Re: Avoid scientific notation when casting numbers to string


Thank you all for your help.
I just didnt realize i could specify the number of decimals as well, when
using the "f"
format string.

Now it works.

Regards, Dennis


"Dennis Myrén" <dennis.myren@g reydigital.no-spam.no> wrote in message
news:blj9k6$gnh $1@news.tdcnorg e.no...[color=blue]
> Thank you for the reply.
> However, it is not that simple.
> Not any of those format strings does help in my case.
>
>
> "Dmitriy Lapshin [C# / .NET MVP]" <x-code@no-spam-please.hotpop.c om> wrote
> in message news:O$XjMdPiDH A.428@TK2MSFTNG P12.phx.gbl...[color=green]
> > Hi,
> >
> > You could just play with format specification strings like in this MSDN
> > example from the
> > "Standard Numeric Format Strings" topic:
> >
> > using System;
> > using System.Threadin g;
> > using System.Globaliz ation;
> >
> > class Class1
> > {
> > static void Main()
> > {
> > Thread.CurrentT hread.CurrentCu lture = new CultureInfo("en-us");
> > double MyDouble = 123456789;
> >
> > Console.WriteLi ne("The examples in en-US culture.\n");
> > Console.WriteLi ne(MyDouble.ToS tring("C"));
> > Console.WriteLi ne(MyDouble.ToS tring("E"));
> > Console.WriteLi ne(MyDouble.ToS tring("P"));
> > Console.WriteLi ne(MyDouble.ToS tring("N"));
> > Console.WriteLi ne(MyDouble.ToS tring("F"));
> >
> > Thread.CurrentT hread.CurrentCu lture = new CultureInfo("de-DE");
> > Console.WriteLi ne("The examples in de-DE culture.\n");
> > Console.WriteLi ne(MyDouble.ToS tring("C"));
> > Console.WriteLi ne(MyDouble.ToS tring("E"));
> > Console.WriteLi ne(MyDouble.ToS tring("P"));
> > Console.WriteLi ne(MyDouble.ToS tring("N"));
> > Console.WriteLi ne(MyDouble.ToS tring("F"));
> > }
> > }
> >
> >
> > --
> > Dmitriy Lapshin [C# / .NET MVP]
> > X-Unity Test Studio
> > http://x-unity.miik.com.ua/teststudio.aspx
> > Bring the power of unit testing to VS .NET IDE
> >
> > "Dennis Myr?n" <dennis.myren@g reydigital.no-spam.no> wrote in message
> > news:blh2ia$la0 $1@news.tdcnorg e.no...[color=darkred]
> > > Hi.
> > >
> > > Is there a way to make sure that float, double and decimal data types
> > > never will be presented in a scientific notation?
> > >
> > > I have tried to round(Math.Roun d) float's to 7 decimals, double's to[/color][/color][/color]
15[color=blue][color=green][color=darkred]
> > > and decimals to 28 decimals, but that does not help.
> > > And the System.Globaliz ation.NumberFor matInfo class does not seem to[/color]
> > provide[color=darkred]
> > > a such function.
> > >
> > >
> > > Thank you
> > >
> > > Regards, Dennis
> > >
> > >[/color]
> >[/color]
>
>[/color]