[Jprogramming] g420fg NaN error

[Henry Rich]

Did you check out the latest push to see if that makes any difference?

Henry Rich

On 8/6/2018 10:50 PM, Bill Heagy wrote:
> clang with -O0 fixes it too.
>
> On 2018-08-06 10:44 PM, Bill Heagy wrote:
>> Building with gcc works ok.  I'll try clang/-O0
>>
>> On 2018-08-06 10:01 PM, bill lam wrote:
>>> Just a guess, recently we switched from gcc to clang. clang is too 
>>> smart in
>>> optimization that it short circuit some code that deals with NaN, 
>>> I've put
>>> some inline asm to teach clang register flags need checking. This 
>>> works in
>>> the past.
>>>
>>> Can you try build and test with -O0 or with gcc?
>>>
>>> On Tue, Aug 7, 2018, 9:48 AM Henry Rich <henryhrich at gmail.com> wrote:
>>>
>>>> This baffles me.  I wonder if there is some compiler interaction with
>>>> _clearfp().  In case so, I have pushed out another change that puts a
>>>> couple of memory fetches between the clearfp()s. Would you please 
>>>> build
>>>> that & report back?  If it fails on the same line, please try the two
>>>> parts individually & see if they both fail.
>>>>
>>>> Henry Rich
>>>>
>>>>
>>>> On 8/6/2018 6:13 PM, Bill Heagy wrote:
>>>>> 32-bit again?
>>>>>
>>>>> ......
>>>>> 1
>>>>>     'domain error' -: +/@:*"1~ etx u: 'abc'
>>>>> 1
>>>>>
>>>>>     NB. Test for NaN
>>>>>     0 _ 1 (+/@:*"1 -: +/@:*"_"1) _ 0 2   NB. removable NaN
>>>>> |NaN error
>>>>> |   0 _ 1    (+/@:*"1-:+/@:*"_"1)_ 0 2
>>>>> |[-189] /home/wheagy/git/jsource/test/g420fg.ijs
>>>>>
>>>>>
>>>>>     JVERSION
>>>>> Engine: j806/j32/linux
>>>>> Beta: GPL3/2018-08-06T17:48:48
>>>>> Library: 8.05.14
>>>>> Platform: Linux 32
>>>>> Installer: unknown
>>>>> InstallPath: /home/wheagy/tmp/jbld/j32
>>>>> Contact: wheagy at bell.net
>>>>> ---------------------------------------------------------------------- 
>>>>>
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>>>>
>>>>
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