largest_number(+List, ?Maximum)

Determine the largest number from a list of numbers (first parameter), the maximum is unified with the second parameter.

This predicate is located in the file 'list.txt', use ensure_loaded/1 to include this file.

see also: conc/3 del/3 last/2 lengthlist/2 member/2 prefix/2 reverse/2 smallest_number/2 sublist/2 suffix/2 sum_list/2 sum_list_integer/2

Example
largest_number([], A). succeeds but the variable A is not unified with a value because the list is empty
A=__1
largest_number([1, 2], A). succeeds and A is unified with the value 2
A=2
largest_number([1, 2], 2.1). fails because 2 is the maximum of the list and that value cannot be unified with the value 2.1

 

 

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