roundto |
(function for equations) |
Usage: |
roundto (dx, x) |
Definition: |
dx * floor ((x + dx/2) / dx) |
Required: |
dx > 0 |
Rounds x to the nearest dx, which may be less than or greater than 1.
For example, roundto(10,17) rounds 17 to the nearest 10, and so it returns 20.
If dx = 1, then this is the same as round.
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