[RESOLVED] Mathematical presentation

agmorgan

I am writing a wee program to assist me in some workshop calculations. I can purchase material at a set length 5500mm, I need to know how many lengths of product I get from this length of material the product lengths are variable.

Therefore if the product length is 1900 I divide this product length into 5500. and get a result of 2.89 i.e 2 lengths with 0.89 as scrap..

However I want to show in my output the number 2 NOT 2.89 as 2 is the useful number.

I used

$F_TPL = sprintf("%01.0f",$TPL);

However, this will round up anything over 2.5 and givve the answer of 3. which is wrong. Can someone advise what I need to program to only get the figures to the left of the decimal point.

thanks

laserlight

Just cast it to int to truncate, e.g.,

$F_TPL = (int)$TPL;

agmorgan

laserlight;10950331 wrote:
Just cast it to int to truncate, e.g.,
$F_TPL = (int)$TPL;

🙂

Thankyou it works

laserlight

You're welcome 🙂

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Weedpacket

There are also the [man]round[/man], [man]floor[/man], and [man]ceil[/man] functions; they all handle the conversion from reals to integers according to different conventions (half a dozen in all).