Btw it is the right behavior, and logical, maybe a mistype? In your example it won't even use abs error.
On Wed, 20 Oct 2010 13:32:06 +0300, Lars T. Kyllingstad <[email protected]> wrote:
(This message was originally meant for the Phobos mailing list, but for some reason I am currently unable to send messages to it*. Anyway, it's probably worth making others aware of this as well.) In my code, and in unittests in particular, I use std.math.approxEqual() a lot to check the results of various computations. If I expect my result to be correct to within ten significant digits, say, I'd write assert (approxEqual(result, expected, 1e-10)); Since results often span several orders of magnitude, I usually don't care about the absolute error, so I just leave it unspecified. So far, so good, right? NO! I just discovered today that the default value for approxEqual's default absolute tolerance is 1e-5, and not zero as one would expect. This means that the following, quite unexpectedly, succeeds: assert (approxEqual(1e-10, 1e-20, 0.1)); This seems completely illogical to me, and I think it should be fixed ASAP. Any objections? Changing it to zero turned up fifteen failing unittests in SciD. :( -Lars * Regarding the mailing list problem, Thunderbird is giving me the following message: RCPT TO <[email protected]> failed: <[email protected]>: Recipient address rejected: User unknown in relay recipient table Are anyone else on the lists seeing this, or is the problem with my mail server?
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