isfloat — returns true if its argument is a float
isfloat
(
|
arg
anything
); |
isfloat
returns one if its argument is of type
single float, zero otherwise.
isfloat(0.0) -> 0 (No it is not, because decimal
literals are by default
converted to double precision
numbers)
isfloat(atof('0.0')) -> 1 (Only with explicit atof we get
a single float)
© OpenLink Software 2016 .
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