Hi,
Thanka a million ! It really solved my problem.
thanks again !
regards
Shoeb Mohammed
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Jaba
Adams
Sent: Thursday, July 12, 2001 9:00 PM
To: Palm Developer Forum
Subject: Re: Where to find FloatToString? (FplFtoA no good)
Will this code work on PalmOS 1.0? When I wrote my float conversion code, I
couldn't use the "float" keyword.
If you need Palm OS 1.0 compatibility, see my post on 2001.07.10 for my,
much longer :(, version.
Jaba Adams
Shinyfish Sofware
http://www.shinyfish.com
At 09:26 AM 7/12/01 -0500, you wrote:
>I had problems with FlpFToA in the past, as well and I use this function
for
>that now (originally from this forum, but I did find a bug in it if you
>tried to round it to 0 decimal places.. noted in the code):
>
>// Note that this function does not do bounds checking on the passed
buffer,
>// so be sure it is big enough to handle the data!
>void FloatToString (double value, char * buffer, int round)
>{
> // this function came from a combination of Thiago Rossato and
> // Noah Young via the Palm Developer Forum
> long iValue;
> float dDecimal;
> long iDecValue;
> int i;
> char sResult[50];
> char sDecimal[50];
>
> iValue = value;
>
> dDecimal = value - iValue;
>
> // if dDecimal >= 1, then iValue should actually be greater by dDecimal
> // this happens in situations of numbers that can't be accurately
> // represented as a double.. (7 is 6.9999999997, but dDecimal is 1
after
> // the above) (this was the bug I mentioned)
> if (dDecimal >= 1)
> {
> i = dDecimal;
> iValue = iValue + i;
> dDecimal = dDecimal - i;
> }
> // Make sure rounding will still work if value is negative
> if (value < 0)
> dDecimal = -dDecimal;
>
> if (dDecimal < 0.000000001) dDecimal = 0;
>
> if (!round && dDecimal >= 0.5) iValue++;
>
> // Convert integer portion to string
> StrIToA(sResult, iValue);
> if (StrLen(sResult) < 1) StrCopy(sResult, "0");
> if (round)
> {
> StrCat(sResult, ".");
>
> // Round decimal portion
> for (i = 1; i <= round; i++)
> dDecimal = dDecimal * 10;
>
> iDecValue = dDecimal;
> if (dDecimal - iDecValue >= 0.5) iDecValue++;
>
> // Add decimal portion
> StrIToA (sDecimal, iDecValue);
>
> // Add leading zeros if neccessary
> if (StrLen (sDecimal) < round)
> for (i = 1; i <= round - StrLen(sDecimal); i++)
> StrCat (sResult, "0");
> StrCat (sResult, sDecimal);
> }
>
> // Copy into return string
> StrCopy (buffer, sResult);
>}
>
>And.. since you asked.. This is how I use the existing funtion to go back
>the other way:
>
>double StrAToF(char *str)
>{
> FlpCompDouble theCompFloat;
> double theFloat;
>
> // Convert a string to a float
> theCompFloat.fd = FlpAToF(str);
> theFloat = theCompFloat.d;
> return theFloat;
>}
>
>----------
>Bradly J. Barton - [EMAIL PROTECTED]
>Jenies Technologies Incorporated
>(972) 602-1835
>http://www.JTI.net
>http://HandAble.com
>
>
>
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