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type/sqrt - check for a square root
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Calling Sequence
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type(expr, sqrt)
type(expr, 'sqrt'(domain))
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Parameters
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expr
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any expression
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domain
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any valid type domain
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Description
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An expression is of type sqrt if it is a radical and the exponent has a denominator of 2.
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An expression is of type sqrt(domain) if it is of type radext(domain) and the exponent has a denominator of 2.
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Note that a square root of a product or quotient is not of type sqrt because it evaluates to a product or quotient of square roots.
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When used in the second form, it is necessary to enclose sqrt in forward (unevaluation) quotes to prevent the sqrt function from being invoked.
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Examples
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