problem with floating point literal

[jonathandavid]

The following program does not work

class Test
    def main is shared
        x = 0.00001f     # line 4
        print x

I get the error "; expected at line 4"

Seems like a parser problem to me. It works fine if I remove the "f" at the end of the literal, or if I change it to "0.00001f".

Regards,
Manuel

[Charles]

I assume you meant to say that you changed it to "0.0001f".

The bug is in the code generation which outputs "1E-05.0". This is coming from the .NET library (since Cobra is a .NET language) but apparently is not a format that makes C# happy.

I'm booked for today, so I'll have to fix tomorrow. The temporary workaround is:

x = sharp'0.00001' to float

[jonathandavid]

I assume you meant to say that you changed it to "0.0001f".

It's funny, actually I wanted to say '1.00001f'.

BTW my workaround was slightly less efficient

x = float.parse('0.00001')

[Charles]

Fixed, tested and checked in.

[jonathandavid]

Thanks, works great now.

On a related note, I see that scientific notation (e.g. 1e-10f) is not supported. Chuck: if you want you can open a ticket, I'll take care when I have some spare time.

For anyone that's interested, there is an obvious workaround for this:

x = sharp'10e-10'


Regards,
Manuel

[Charles]

Wow, you really like small numbers.

Yes, I would accept a ticket for sci. notation.

[hopscc]

Ticket:103 added for this.

[Charles]

I added comment "Approved." just to make it extra clear that I'll accept patches on this. I guess Trac doesn't have an explicit approval flag on tickets.

Also, I recommend linking to tickets for convenience. ticket:103