Gambas ONE

Posted: **Thursday 1st June 2023 4:30am**

Hello

I have a number that, after leaving it in two decimal places with Round, does it well, but I am interested in leaving it in two decimal places without rounding.

Example:
2000.5354 (Round, -2) =2000.54
I want: 2000.5354 = 2000.53

Ask:
Does Gambas have a way to do it, without doing:

2000 (Fixed)
0.5354 (Frac)

And then trim it with string functions.

Posted: **Thursday 1st June 2023 9:21am**

My solution would be: -

Print Int(2000.5354 * 100) / 100

Posted: **Thursday 1st June 2023 10:10am**

Very good, happy my eyes. "I hope it is well translated"

Thank you so much.

Greetings.

Posted: **Thursday 1st June 2023 2:06pm**

cogier wrote: ↑Thursday 1st June 2023 9:21am Print Int(2000.5354 * 100) / 100

There, you can also use the CInt() function.

If you want, you can also decide how many decimals to leave:

Dim f As Float = 5.123456789
Dim decimals As Byte = 6
 
Print Int(f * 10 ^ decimals) / 10 ^ decimals   ' or CInt(.....

Posted: **Thursday 1st June 2023 8:39pm**

Thanks, vuott, I'm glad to greet you.

Your proposal seemed very interesting to me since I can even determine the number of decimal places.

But I was left with honey in my mouth when you said the CInt conversion function without seeing your intention in the explanation or a code to understand you.

Posted: **Friday 2nd June 2023 12:36am**

gambafeliz wrote: ↑Thursday 1st June 2023 8:39pm CInt conversion function without seeing your intention in the explanation or a code to understand you.

Simply...
Print CInt(2000.5354 * 100) / 100

Posted: **Friday 2nd June 2023 9:48am**

or perhaps, to generalize

Code: Select all

Function FixDec(floatvalue As Float, decplaces As Integer) As Float
	Return Floor(floatvalue*10^decplaces)/10^decplaces
End

As usual, keep in mind Floating Point Mis-arithmetic!

Posted: **Friday 2nd June 2023 2:53pm**

This question is like Christmas. Full of forum stars

Now only BruceSteers is missing and this is Christmas in full.

Well thank you, gentlemen, I found it very interesting.

Posted: **Saturday 3rd June 2023 9:47am**

gambafeliz wrote: ↑Friday 2nd June 2023 2:53pm This question is like Christmas. Full of forum stars

Now only BruceSteers is missing and this is Christmas in full.

Well thank you, gentlemen, I found it very interesting.

Haha , I have my uses

but I also know when to sit back and let those who know better have a say

I'd have just used string functions for something like this

Posted: **Saturday 3rd June 2023 11:12am**

I found this here: -

The difference between Int() and CInt() is:

Int() may return a Float value, CInt() is limited to 32 bit Integer.
Int() rounds to the next lower value. i.e. -4.6 to -5, while CInt rounds towards 0 i.e. -4.6 to -4

How does Int return a Float value?

Gambas ONE

Rounding to two decimal places without Round

Rounding to two decimal places without Round

Re: Rounding to two decimal places without Round

Re: Rounding to two decimal places without Round

Re: Rounding to two decimal places without Round

Re: Rounding to two decimal places without Round

Re: Rounding to two decimal places without Round

Re: Rounding to two decimal places without Round

Re: Rounding to two decimal places without Round

Re: Rounding to two decimal places without Round

Re: Rounding to two decimal places without Round