IsZero

Predicates functions IsZero

syntax

• IsZero(a)

definition

IsZero(a) results in a boolean data item with values True for zero and False for all other values of data item a.

applies to

• data item with Numeric value type

example

attribute IsZero (ADomain) := IsZero(A);

A(float32)		IsZeroA
0	True
null	False
1000000	False
-2.5	False
99.9	False

ADomain, nr of rows = 5

see also

• IsPositive
• IsNegative