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34 lines
644 B
Plaintext
34 lines
644 B
Plaintext
NAME
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isnum - whether a value is a numeric value
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SYNOPSIS
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isnum(x)
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TYPES
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x any, &any
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return int
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DESCRIPTION
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Determine if x is a numeric value. This function will return 1 if x
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is a a numeric value, 0 otherwise.
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EXAMPLE
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> print isnum(2.0), isnum(1), isnum("0")
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1 1 0
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> print isnum(2i), isnum(1e20), isnum(1/3)
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1 1 1
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LIMITS
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none
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LIBRARY
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none
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SEE ALSO
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isassoc, isatty, isblk, isconfig, isdefined, iserror, iseven, isfile,
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ishash, isident, isint, islist, ismat, ismult, isnull, isobj,
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isobjtype, isodd, isprime, isrand, israndom, isreal, isrel,
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issimple, issq, isstr, istype
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