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
tclx21.patch
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