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| operator | < | ||||||||
Return type: Boolean True if the first numeric expression is less than the second, and false otherwise.
Returns:
Syntax
expression1 < expression2
You can determine whether one expression is less than another with the < operator. You can use it with any data type expression.
To compare BCD numbers, you must include the ombcd.xin file in your program. To compare floating point numbers, include the omfloat.xin file. You can compare values of mixed data types (for example, BCD numbers and integers) as long as you follow the rules listed in Operations with mixed data types.
For example:
; Comparing strings
process
local stream string-1 initial {"Catch-up"}
local stream string-2 initial {"Catch-22"}
do when string-1 < string-2
output string-1
|| " < "
|| string-2
|| "%n"
else when string-1 > string-2
output string-1
|| " > "
|| string-2
|| "%n"
else when string-1 = string-2
output "String compare has an error."
|| "%n"
done
; Output: "Catch-up > Catch-22"
The following tests use "<" to compare strings. The first and third tests are equivalent and evaluate as true; the second evaluates as false.
do when "a" < ul "b" ... done do when "a" < "b" ... done do when "a" < "b" ... done
You can also compare two variables of different data types, for example, an integer and a BCD. If their numeric values are the same, one will not compare greater than the other.
include "ombcd.xin"
process
local integer one-integer initial {33}
local bcd one-bcd initial {33}
do when (one-bcd < one-integer)
output "Error. bcd of "
|| "d" % one-bcd
|| " shown as less than integer of "
|| "d" % one-integer
|| ".%n"
else
output "Correct. bcd of "
|| "d" % one-bcd
|| " shown as not less than integer of "
|| "d" % one-integer
|| ".%n"
done
; Output: "Correct. BCD of 33 shown as not less than integer of 33."
This operator has two deprecated synonyms: is less-than and isnt greater-equal.
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Related Syntax >= |
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