Hey (maybe @sakrejda , @syclik , whoever else might know?), Ben just upgraded the Jenkins Linux node and now I’m seeing the gamma tests fail with numerical differences that look kind of suspicious to me (like a newer compiler exposing some use of undefined behavior or memory?): http://d1m1s1b1.stat.…

That does look weird. I just upgraded a box to 18 so I can check.

I don’t recall what the “9++-7thing” is but I’ll check for solutions on Monday if nobody else gets to it.

Ah yeah, that sounds right. @sakrejda I think it was just that our tests don’t pass under g++-7 - not sure if anyone found a cause or cure yet.

[image] One Compiler Per OS Developers I clone a fresh math repo, here’s my Ubuntu: krzysztof@sph-3s9bjl2linu:~/packages/math$ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=16.04 DISTRIB_CODENAME=xenial DISTRIB_DESCRIPTION="Ubuntu 16.04.4 LTS" I tried the speci…

It looks like they’re up to g++ 7.3. Is that what’s being tested here? We should get Stan math working on recent g++ compilers. There are unexpected serious numerical differences then NaN differences in: [ FAILED ] mathMixScalFunGammaP.GoodGammaP (14 ms) We need to get to the bottom of this. …

Gamma tests failing on Ubuntu 18.04

Developers

bgoodri September 30, 2018, 9:00pm 6

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Gamma tests failing on Ubuntu 18.04

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