Logical Operations on Numbers


Evaluating integer and floating point numbers

  • Zero value ?


    		•  (zerop item)
  • Negative value ?


    		•  (minusp item)


    Examples

      (setq a_num 4.5)

      (setq a_char 'w)

      (zerop a_num)

      (zerop a_char)

      (minusp a_num)

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