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Re: Rounding
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Re: Rounding


  • Subject: Re: Rounding
  • From: Malcolm Fitzgerald <email@hidden>
  • Date: Wed, 20 Mar 2002 14:36:24 +1100

This one rounds up and down

to round_about(i, r)
set j to i mod r
if j  (r / 2) then ,
set j to j - r
return i - j
end round_about

round_about(127.4, 5) -- 125
round_about(6, 5) -- 5
round_about(13, 7) --> 14


This one rounds up

to round_up(i, r)
return i + r - ( i mod r)
end round_up

round_up(127.4, 5) -- 130
round_up(6, 5) -- 10
round_up(13, 7) --> 14


At 8:47 PM -0500 19/3/02, Rob Jorgensen wrote:
Howdy,

I need to extract the minutes from the time string of current date and then round them up to the next 5 minute increment. I can extract the minutes with no problem but the rounding is my weak spot (my loss of mathematical ability is documented in the archives of this list). :P

So, how do I round 14 to 15, or 16 to 20? Does anyone care to share a handler which addresses this?

--
Malcolm Fitzgerald
Database Manager
The Australian Society of Authors

ph: 02 9318 0877 fax: 02 9318 0530 email: email@hidden
www.asauthors.org www.asauthors.org/award www.asauthors.org/web_of_poets
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References: 
 >Rounding (From: Rob Jorgensen <email@hidden>)

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