Function arrayInputHelper

Provides services for functions where the input can be N numerical parameters, or an array of numerical values.

Supported cases:

• paramCount=1; arrayLength=undefined;

  • if it's an array, it will exec the func on each index, and set output to an array.
  • if it's 1 numerical parameter, it will execute the func and set output a number.

• paramCount=undefined; arrayLength=undefined;

  • it calls the func with an array, the result value type is the same as the one returned by the func.