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Dark GDK / dbVal bug & alternative

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AlexI
19
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Joined: 31st Dec 2004
Location: UK
Posted: 12th Sep 2008 18:09 Edited at: 12th Sep 2008 18:20
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Hi,
I have found a bug with dbVal function, try this code:

Only returns -2 which messes up my program

I also tried this using the c++ function

Still returns -2

Is there an alternative to dbVal in C++?

Thanks,
Alex


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IanM
Retired Moderator
22
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Joined: 11th Sep 2002
Location: In my moon base
Posted: 12th Sep 2008 19:11
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Yes, instead of using atoi (ascii to integer), use atof (ascii to float), or strtod (a slightly more complex equivalent of atof).

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Zuka
16
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Joined: 21st Apr 2008
Location: They locked me in the insane asylum.
Posted: 12th Sep 2008 23:26
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That's because dbVal returns an int. Doing what IanM said will work just fine.
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AlexI
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Location: UK
Posted: 13th Sep 2008 00:13
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Thanks for help, dbVal, atoi, atof all dont work with the code above when integers, however when they are floats they all will work


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Zuka
16
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Posted: 13th Sep 2008 04:06
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Uh...

DUH?

atof.

Let's break it down.

a = ASCII.
to = to.
f = float.

ASCII to Float

...

So, use atoi when its an integer, and atof when it's a float.
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Mahoney
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Joined: 14th Apr 2008
Location: The Interwebs
Posted: 13th Sep 2008 08:10
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Not every is fluent in English, you know. Imagine using a programing language centered around Spanish or German. Not that easy if you're born with English.

Point being: Perfect English not requiring

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