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type/positive - check for a positive number
type/negative - check for a negative number
type/nonnegative - check for a non-negative number
type/nonpositive - check for a non-positive number
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Calling Sequence
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type(x, positive)
type(x, negative)
type(x, nonnegative)
type(x, nonpositive)
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Description
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The functions type(x, positive), type(x, negative), type(x, nonnegative), and type(x, nonpositive) return true if x is a positive, negative, non-negative, or non-positive extended_numeric number, respectively. Otherwise, false is returned.
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Examples
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