Reduces a Variant that represents a complex number to one that represents a real value, if possible.
function VarComplexSimplify(const AValue: Variant): Variant;
Variant VarComplexSimplify(const Variant AValue);
VarCmplx
Use VarComplexSimplify to convert a complex number to a real value when possible. VarComplexSimplify checks whether the Variant specified by AValue represents a complex number that has no imaginary part. If so, it returns a Variant whose value is simply a real number. If AValue does not represent a complex number, or if AValue represents a complex number with a nonzero imaginary part, VarComplexSimplify returns AValue.
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