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sgn​

sgn(
    @x ? ## required
) -> llll/null
note

sgn is a built-in function in the bell programming language and is not unique or exclusive to bellplay~.

Returns the sign of @x.

Arguments​

  • @x [int/float/llll] Numeric llll.(required)

Output​

Sign of @x. [llll/null]

warning

sgn will return null without raising an error if required arguments are not provided.