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34 lines
641 B
Plaintext
34 lines
641 B
Plaintext
NAME
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isreal - whether a value is a real value
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SYNOPSIS
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isreal(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 real value. This function will return 1 if x
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is a real value, 0 otherwise.
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EXAMPLE
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> print isreal(2.0), isreal(1), isreal("0")
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1 1 0
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> print isreal(2i), isreal(1e20), isreal(1/3)
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0 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, isnum, isobj,
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isobjtype, isodd, isprime, isrand, israndom, isrel,
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issimple, issq, isstr, istype
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