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LES

Performs a less than or equal to comparison on elements of two dynamic arrays.

Synopsis

LES(dynarray1,dynarray2)

Arguments

dynarray An expression that resolves to a dynamic array.

Description

The LES function compares each corresponding numeric element from two dynamic arrays and determines if the first value is less than or equal to the second value. It returns a dynamic array of boolean values in which each element comparison is represented. It returns a 1 if the dynarray1 element value is less than or equal to the dynarray2 element value. It returns a 0 if the dynarray1 element value is greater than the dynarray2 element value.

LES removes signs and leading and trailing zeros from element values before making the comparison. If an element is missing, or has a null string or a non-numeric value, LES assigns it a value of 0 for the purpose of this comparison.

If the two dynamic arrays have different numbers of elements, the returned dynamic array has the number of elements of the longer dynamic array. By default, the shorter dynamic array is padded with 0 value elements for the purpose of comparison. You can also use the REUSE function to define behavior when specifying two dynamic arrays with different numbers of elements.

For two elements to be compared, they must be on the same dynamic array level. For example, you cannot compare a value mark (@VM) dynamic array element to a subvalue mark (@SM) dynamic array element.

Examples

The following example uses the LES function to return a less than or equal to comparison for each of the elements in dynamic arrays a and b:

a=10:@VM:-22:@VM:-33:@VM:45
b=10:@VM:-23:@VM:0:@VM:44
PRINT LES(a,b)
      ! returns 1ý0ý1ý0

See Also

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