
ANSI Common Lisp 12 Numbers 12.2 Dictionary of Numbers
12.2.16 max, min 
Function 
 Syntax:

max
&rest reals+
maxreal
min
&rest reals+
minreal
 Arguments and Values:

real  a real.
maxreal, minreal  a real.
 Description:

max returns the real that is greatest (closest to positive infinity).
min returns the real that is least (closest to negative infinity).
For max,
the implementation has the choice of returning the largest
argument as is or applying the rules of floatingpoint contagion,
taking all the arguments into consideration for contagion purposes.
Also, if one or more of the arguments are =, then any one
of them may be chosen as the value to return.
For example, if the reals are a mixture of rationals and floats,
and the largest argument is a rational,
then the implementation is free to
produce either that rational
or its float approximation;
if the largest argument is a
float of a smaller format
than the largest format of any float argument,
then the implementation is free to
return the argument in its given format or expanded to the larger format.
Similar remarks apply to min
(replacing "largest argument" by "smallest argument").
 Examples:

(max 3) 3
(min 3) 3
(max 6 12) 12
(min 6 12) 6
(max 6 12) 6
(min 6 12) 12
(max 1 3 2 7) 3
(min 1 3 2 7) 7
(max 2 3 0 7) 7
(min 2 3 0 7) 2
(max 5.0 2) 5.0
(min 5.0 2)
2
OR2.0
(max 3.0 7 1)
7
OR7.0
(min 3.0 7 1)
1
OR1.0
(max 1.0s0 7.0d0) 7.0d0
(min 1.0s0 7.0d0)
1.0s0
OR1.0d0
(max 3 1 1.0s0 1.0d0)
3
OR3.0d0
(min 3 1 1.0s0 1.0d0)
1
OR1.0s0
OR1.0d0
 Exceptional Situations:

Should signal an error of type typeerror if any number is not a real.
 Allegro CL Implementation Details:

None.
