Decimal Variable Glitch

Waseypup

Hello
I am here to report a bug about decimal variable
Here is an example of what's happening:

repeat (100)
change [Counter v] by (0.1)
say (Counter)
wait (1) secs
end

and then sometimes (I will use 0.6 as an example) the variable will say it is “0.600000001”
I tried making it round:

set [Counter v] to ((round ((Counter) / (0.1))) * (0.1)) // <<  Rounding Method

But it would still report “”0.6000…01"

So i broke it down like this:

((Counter) / (0.1)) // (sometimes "5.999..9") Reports 6
(round (6)) // Reports 6
((6) * (0.1)) // Oddly Reports 0.6000...1

I have seen stuff kind of like this in java (double a=5; a == 5.00000000001) and before in scratch (examples above) but it is really annoying

I Need Help!

My browser / operating system: Windows NT 10.0, Chrome 91.0.4472.114, No Flash versions detected

Last edited by Waseypup (June 26, 2021 16:54:37)

Invasion Demo:

dhuls

Thingied wrote:
Blame floating point math(pretty sure that's the cause). Here's the fix though:
when gf clicked
delete all of [e v] :: list
set [e v] to (0.1)
repeat (...)
add (e :: variables) to [e v]
replace item (length of [e v]) of [e v]with (([floor v] of ((e::variables)*(10)))/(10)
change [e v] by (0.1)

(src)

Test how good your computer is at doing math. 3DS and Wii U online after shutdown.

Waseypup

dhuls wrote:
Thingied wrote:
Blame floating point math(pretty sure that's the cause). Here's the fix though:
when gf clicked
delete all of [e v] :: list
set [e v] to (0.1)
repeat (...)
add (e :: variables) to [e v]
replace item (length of [e v]) of [e v]with (([floor v] of ((e::variables)*(10)))/(10)
change [e v] by (0.1)
(src)

Interesting… I will try it!
But if i were using clones (which i am for this) would this be for this sprite only?

Last edited by Waseypup (June 26, 2021 17:10:33)

Invasion Demo:

Waseypup

dhuls wrote:
Thingied wrote:
Blame floating point math(pretty sure that's the cause). Here's the fix though:
when gf clicked
delete all of [e v] :: list
set [e v] to (0.1)
repeat (...)
add (e :: variables) to [e v]
replace item (length of [e v]) of [e v]with (([floor v] of ((e::variables)*(10)))/(10)
change [e v] by (0.1)
(src)

Ok, this is some mods of your bug fixer to make the scripts work… (Scripts Taken From My Project I Am Working On)

Invasion Demo:

Discuss Scratch