Hi Terrence,
that sounds like a good idea, but we need to check that this does
not have other conseqences (the formatting of a NaN seems to be
a perpetual minefield ...).
Regards,
Arjen
On 2009-02-21 18:22, trc wrote:
> Hi,
>
> I am using MSVC 9 with (Activestate) Tcl 8.5
>
> Example 21 fails as follows -
>
> can't use non-numeric string as operand of "+"
> while executing
> "expr {$lzmax + 0.01}"
> (procedure "x21" line 167)
> invoked from within
> "x21"
> (file "./x21" line 18)
>
>
> Printing $lzmax shows the value 1.#QNAN.
>
> The problem is that for the above configuration a NAN has the value
> 1.#QNAN, which is not detected by proc isnan in examples/tcl/x21.tcl.
>
> Rather than add a specific test for 1#QNAN I propose using the more generic
> tcl test
> string is double $x
>
> Please find a patch attached.
>
> Kind regards
>
>
> Terrence
>
>
>
>
>
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