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Rounds the input to the next highest integer.

For example, if the input is 3.1, the result is 4. If the input is -3.1, the result is -3.



An input to this operation.

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


rounded number

The resulting highest integer, closest to the input.

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 highest integers to the real and imaginary parts of x. The following equation defines rounded number:

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