Hi Antom, I changed my opinion such that using signed types and default value to -1 is the best choice (as -1 = 0b1111111... in unsigned equivalent, I missed this feature before). To handle this in python one can use ctypes (c_int and c_uint) to make the value signed/unsigned) cheers Jan
2014-05-26 21:08 GMT+02:00 Anton Gladky <[email protected]>: > Hi Jan, > > I agree with that. The problem is that we use in many parts of code > the default mask value -1 [1]. All of them should be changed (probably > also in some if-constructions). But I do not think it is a difficult, > "grep/sed" should do thinks well. > > [1] > https://github.com/yade/trunk/blob/master/pkg/dem/NewtonIntegrator.hpp#L79 > > Best regards > > Anton > > > 2014-05-26 20:54 GMT+02:00 Jan Stránský <[email protected]>: > > Hello, > > > > currently I am running out of size of groupMask (I would need more > bits), so > > I am planning to introduce optional compilation with some larger type. > > Anyway, even the size is the same, working with the full range of > unsigned > > int bitmask is much more natural than standard signed int. > > > > Would anybody be against changing the type to unsigned int with default > > value UINT_MAX = 0b11111..., i.e. the body would interact with anything > by > > default? > > > > Thanks for the feedback > > Jan > > > > _______________________________________________ > > Mailing list: https://launchpad.net/~yade-dev > > Post to : [email protected] > > Unsubscribe : https://launchpad.net/~yade-dev > > More help : https://help.launchpad.net/ListHelp > > >
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