How can i convert a double to float

double gallons;
double startOdometer;
double endOdometer;
double mpg;
double miles;
endOdometer = Double.parseDouble (inputs);
miles = endOdometer - startOdometer;
mpg = (miles/gallons) ;
gallons = miles/mpg;
mpg = Float.parseFloat(double);

You would use a cast.
double d = 1.4;
float f = (float) d;But why do you want to convert a double into a float and then store it back into a double?????

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How can I convert a double to string

Hello,
how can I convert a double value to a string value?
Werner

an other way: ;)
double yourDouble;
int intTmp;
yourDouble = yourDouble * 100;
yourDouble = yourDouble + 0.5;
intTmp = yourDouble.intValue();
yourDouble = intTmp;
yourDouble = yourDouble / 100;you can write it some shorter...
double yourDouble;
int intTmp;
yourDouble = yourDouble * 100 + 0.5;
yourDouble = yourDouble.intValue() / 100;*100 moves the comma about two steps to the left.
+ 0.5 enables rounding!
if your value is x.5 or larger you get x+1.?
if its smaller than x.5 you get x.?
by parsing the double value to an int the ? is cut.
/100 moves the comma two steps back
you get a double value with 2 decimals which is rounded.
just my coins :)
happy progging,
Thof

How can I convert Float numbers which are represented as 'E-05' to full precision

I have over 6,000 records which all have 'E-05' in the field.
It should actually be full precision, such as: 0.000046793055472781
How can I convert all of these? There are around 600,000 records in the whole table, so I only want to convert the 'E-05' records. For some reason these are incorrect, but all the others are totally fine.
Knowledge is the only thing that I can give you, and still retain, and we are both better off for it.

If they are float values, they have the full precision you can get with a float value.
Keep in mind that what you see in management studio is a textual representation of the value. It is not the value itself. A float value is stored as 53 bits of mantissa and an 11-bit exponent which is a power of 2.
To view the value without the exponent, you can cast to decimal, although this will give you a slightly different value. You can also use the str function:
DECLARE @f float
SELECT @f = 0.000046793055472781
SELECT str(@f, 20, 18)
However, formatting of the value is best done in the presentation layer. You should not change the data you have in the table. But if the source is actually exact decimal values, maybe you should use a decimal data type instead.
Erland Sommarskog, SQL Server MVP, [email protected]

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Any free software out there? or can iTunes or Quicktime perform this task?
-D

or can iTunes or Quicktime perform this task?
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Hello all,
I am reading a displayed waveform from my Tektronix Oscilloscope (TDS3032) via the GPIB Read VI. The format of the waveform data is: positive integer data-point representation with the most significant byte transferred first (2 bytes per data point).
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t
hanks

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DiegoF.Message Edited by Molly K on 02-18-2005 11:01 PM

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If the trouble is with output ...
If the trouble is with value accuracy ...The trouble is with OPs understanding of and/or expectations of IEEE 754 floating point numbers. o_O
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Thank you.

Not sure about the last part of your question.
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Have a look at the attachment.
CC
Chilly Charly (aka CC)
E-List Master - Kudos glutton - Press the yellow button on the left...
Attachments:
ReplaceSpaces.vi ‏27 KB

How can I convert an int to a string?

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How can I convert an int to a string?
/ad87geao

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How can i convert a double to float

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