Natural language names
 | Same Value |
Semantic definitions at the function
Function Definition
The function compares two numerical values and ensures that they are the same (with an epsilon precision factor). In the function the following questionable ad-hoc value is used: 0.000001 for the default precision (1E-6)
HISTORY New function in IFC2x2
Formal representations
EXPRESS Specification
FUNCTION IfcSameValue
(Value1, Value2 : REAL; Epsilon : REAL)
: LOGICAL;
LOCAL
ValidEps : REAL;
DefaultEps : REAL := 0.000001;
END_LOCAL;
ValidEps := NVL(Epsilon, DefaultEps);
RETURN ((Value1 + ValidEps > Value2) AND (Value1 < Value2 + ValidEps));
END_FUNCTION;
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