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sign
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The sign function determines whether the argument is positive or negative. When to use The sign function is used to determine if a number is positive or
negative.
(sign num) Returns 1 if the argument is positive and -1 if the argument is negative.
Here are a number of links to Lambda coding examples which contain this instruction in various use cases.
Here are the links to the data types of the function arguments. Here are also a number of links to functions having arguments with any of these data types.
You can always talk with the AIS at aiserver.sourceforge.net.
Name
Description
AIS Types num A Number Number
Returns:
Examples
Argument Types
Number
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