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| ANSI Common Lisp 12 Numbers 12.2 Dictionary of Numbers
12.2.36 mod, rem | Function
  Syntax: mod number divisor modulus rem number divisor remainder Arguments and Values: number - a real. divisor - a real. modulus, remainder - a real. Description: mod and rem are generalizations of the modulus and remainder functions respectively. mod performs the operation floor on number and divisor and returns the remainder of the floor operation. rem performs the operation truncate on number and divisor and returns the remainder of the truncate operation. mod and rem are the modulus and remainder functions when number and divisor are integers. Examples:
       (rem -1 5)  -1
       (mod -1 5)  4
       (mod 13 4)  1
       (rem 13 4)  1
       (mod -13 4)  3
       (rem -13 4)  -1
       (mod 13 -4)  -3
       (rem 13 -4)  1
       (mod -13 -4)  -1
       (rem -13 -4)  -1
       (mod 13.4 1)  0.4
       (rem 13.4 1)  0.4
       (mod -13.4 1)  0.6
       (rem -13.4 1)  -0.4
See Also: floor, truncate Notes: The result of mod is either zero or a real with the same sign as divisor. Allegro CL Implementation Details: None.

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