"nan" v. try-catch for arithmetic
Mark Wieder
mwieder at ahsoftware.net
Tue Jun 24 18:56:22 EDT 2014
Graham-
Tuesday, June 24, 2014, 11:02:56 AM, you wrote:
> I get a result, "nan", and the catch doesn't fire. Why not? Maybe
> someone can explain what the engine is doing here - or is it just an
> obscure bug?
It fires for me in either case.
To get the actual error code, change the code to
try
put value(fld "myField") into testResult
catch e
answer e
exit mouseUp
end try
That way you see that sqrt(-1) results in 555 "sqrt: domain error" and
(-8)^(2/3) results in 402 "pow: range error (overflow)". Both of them
also return "-nan", as expected.
--
-Mark Wieder
ahsoftware at gmail.com
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