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Rounds the input to the next lowest integer.

For example, if the input is 3.8, the result is 3. If the input is -3.8, the result is -4.

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x

An input to this operation.

This input supports scalar numbers, arrays or clusters of numbers, and arrays of clusters of numbers.

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rounded number

The resulting lowest integer, closest to the input value.

When x is of the form x = a + bi, that is, when x is complex, the function returns a complex number defined by the next lowest integers to the real and imaginary parts of x. The following equation defines rounded number:

floor(x) = floor(a) + i floor(b)