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type/algnum - check for an algebraic number
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Calling Sequence
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type(expr, algnum)
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Description
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The call type(expr, algnum) checks whether expr is an algebraic number.
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An algebraic number is defined as either a rational number, or a root of a univariate polynomial with algebraic number coefficients specified by a RootOf. A sum, product, or quotient of these is also an algebraic number.
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Examples
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Note:  is not of type algnum, but if written in the form RootOf(z^2-2, z) it is of type algnum.
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