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compare

compare


Purpose
Compare 2 values.
Synopsis
function compare(arg1:ordered type, arg2:same type as arg1):integer
Arguments
arg1 
First operand for the comparison
arg2 
Second operand for the comparison (same type as arg1)
Return value
0 if arguments are identical, -1 if the first argument is less than the second argument and 1 otherwise.
Further information
This function is defined for integer, real, string and boolean variables. It is also available for module types that implement the necessary functionality.