Cond

Cond may refer to:

• Condition number, in numerical analysis
• cond, a conditional expression in LISP, an example showing the signum function that returns -1 for a negative number, 0 for 0 and 1 for a positive number in LISP:^[1]

(cond
  ((minusp testnumber) -1)
  ((zerop testnumber)   0)
  (t                    1)
)

References

1. ^ LISP -- Control Structures

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