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limath()

limath()

Section titled “limath()”

limath(<operation>, <list>[, <delimiter>])

The integer form of lmath(): applies <operation> to every integer in <list>. Any item that is not an integer gives #-1 ARGUMENTS MUST BE INTEGERS, and an empty list gives 0. The arithmetic is 64-bit and wraps around when it overflows.

<operation> is one of:

  • add or sum: the sum.
  • sub: the first value minus the rest.
  • mul: the product.
  • div: the first value divided by each of the rest, dropping any fraction.
  • mod: the remainder of the first value by each of the rest, with the sign of the divisor, as mod() gives it.
  • min and max: the smallest and largest value.
  • median: the middle value; for an even count, the average of the two middle values, rounded down.

A zero divisor gives #-1 DIVISION BY ZERO, and any other operation #-1 UNKNOWN OPERATION.

This function comes from TinyMUX.

> think limath(div, 100 3)
33
> think limath(median, 1 3 5 7)
4

::: seealso