One of our client (academic) researchers is using a third party R package which installs successfully on our compute cluster using R without MKL, gcc, and g++ (having support for said operators with __int64), but fails in R-with-MKL AFAIK due to lack of overload defined for said operators with __int64 in icpc.
I presume it's possible to introduce such overload definitions for use by icpc via additional, local code - independent of the said third party code, true?
If so, I'd appreciate if someone could provide a simple example or link thereto, thanks.
Also, if so, is it nonetheless better to request the third party owner to add such support - since AFAIK __int64 is not a standard c++ feature?
Please let me know if you need more info.
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Any overloaded operators are only effective for code generated with the overloads specified and active. I am surprised that your (academic) researcher to expect this to be otherwise. Does he/she expect there overloads to affect the operations in a printed book? (Newton's Mathematica). I would hope not. Then why would they expect (already compiled) 3rd party libraries to use their overloads?
Your client should seek out a support library that is in source form, to be compiled with the overloads defined. *** However, then they also must bear the burden of providing any support for code that no longer works as intended by the designer(s) of the original code.
“When I use a word,” Humpty Dumpty said, in rather a scornful tone, “it means just what I choose it to mean—neither more nor less.”