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da_cobra

round to larger

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Hello, This should be simple I think, but I can't seem to think how I must do it, right now, but how do you round a number to above? example : 2,2 => 3 or 8.9 => 9 TIA

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Quote:
Original post by da_cobra
Hello,

This should be simple I think, but I can't seem to think how I must do it, right now, but how do you round a number to above?

example :
2,2 => 3
or
8.9 => 9

TIA


add 0.5 and truncate.

Zing!

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it's called the ceiling function, usually ceil() or something like that.

Quote:

add 0.5 and truncate.


That doesn't work in the case where n = a.0->a.4, because you end up with a.5->a.9 truncated to a.

The actual function would be something like:


if (a != abs(a))
a = a - (a - abs(a)) + 1;

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