isNumeric in Phobos(D1&D2) seems bugged
Sergey Gromov
snake.scaly at gmail.com
Mon Feb 11 08:28:36 PST 2008
badmadevil <badmadevil at gmail.com> wrote:
> ============================= isnum.d
> import std.stdio ;
> import std.string ;
> void main(string[] args) {
> for(int i = 1 ; i< args.length ; i++)
> writefln("\"%s\" is%s a numeric.", args[i], isNumeric(args[i], true)? "": " not") ;
> }
> ============================= output
> >isnum.exe 9.9e+99 99e+9.9 9.9e+9.9
> "9.9e+99" is a numeric.
> "99e+9.9" is a numeric.
> "9.9e+9.9" is not a numeric.
>
> The last one should give affirmative.
Yes, I think there is a bug, too. Though not where you're pointing it
out. D doesn't support fractional exponents. This means that both
"99e+9.9" and "9.9e+9.9" are not numbers.
--
SnakE
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