[JS CS3] Check the pattern of a random number given a specific data ?

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4 total messages Started by loic_aigon Wed, 14 Jan 2009 20:37

#1898

Author: loic_aigon
Date: Wed, 14 Jan 2009 20:37

17 lines
1123 bytes

Hi all,
I succeed getting a random number of this look : d.dd (8.73 for ex)
I use Math.random()*(max-min)+min;
I want to check that this number respect a specific given increment.

To be clear :
If I set min to 0 and max to 10 for example.
The script returns a number like 8.56

Now, I have a increment like 0.2
I want the script to give me a number that can be d,d.2,d.4,d.6,d.8
BUT NOT d.78 or d.1

I guess I may use a while command but have no idea of the checking operation.
Any idea ?
Thanks in advance.
Loic

Re: [JS CS3] Check the pattern of a random number given a specific data ?

#1899

Author: jongware
Date: Wed, 14 Jan 2009 20:40

3 lines
748 bytes

Math to the rescue. You want a random integer div 5.

Math.floor(5*(Math.random()*(max-min)+min))/5 should do it.

Re: [JS CS3] Check the pattern of a random number given a specific data ?

#1945

Author: loic_aigon
Date: Sat, 17 Jan 2009 00:01

4 lines
732 bytes

Hi jongware,
Thanks a lot, that's really what I needed.
I hope I can master your logic one day ;-)
Loic

Re: [JS CS3] Check the pattern of a random number given a specific data ?

#1798

Author: jongware
Date: Sat, 17 Jan 2009 15:48

8 lines
746 bytes


      I hope I can master your logic one day




Ho boy. Be careful what you wish for :D

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