ORDP INDEX

ORDP _ _ _ _ _ _ _ _ _ _ _ _ operator

The ordp logical operator returns true if its first argument is ordered ahead of its second argument in canonical internal ordering, or is identical to it.

syntax:

ordp(<expression1>,<expression2>)

<expression1> and <expression2> can be any valid REDUCE scalar expression.

examples:


if ordp(x**2 + 1,x**3 + 3) then write "yes" else write "no";
			 


  no 


if ordp(101,100) then write "yes" else write "no";
			 


  yes 


if ordp(x,x) then write "yes" else write "no";
			 


  yes

Logical operators can only be used in conditional expressions, suc h as

if...then...else and while...do.