[Python-Dev] Convert from unsigned long long to PyLong

Eric Snow ericsnowcurrently at gmail.com
Fri Jul 22 11:50:33 EDT 2016


On Fri, Jul 22, 2016 at 3:02 AM, Stefan Ring <stefanrin at gmail.com> wrote:
> So to sum this up, you claim that PyLong_FromUnsignedLongLong can
> somehow produce a number larger than the value range of a 64 bit
> number (0x10000000000000180). I have a hard time believing this.

Perhaps I misunderstood your meaning, but Python's integers (AKA
"PyLong") can be bigger that a machine-native integer (e.g. 64 bits):

"All integers are implemented as “long” integer objects of *arbitrary
size*." (emphasis mine)

(https://docs.python.org/3.5//c-api/long.html)

-eric


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