On Tuesday 19 September 2006 14:46, Travis Oliphant wrote: > Sebastian Haase wrote: > > Hi, > > What are the possible values of > > arr.dtype.kind ? > > > > It seems that signed and unsigned are considered to be the same > > "kind" > > > >>>> arr=N.arange(10,dtype=N.uint) > >>>> arr.dtype.kind > > > > 'i' > > > >>>> arr.dtype.itemsize > > > > 8 > > (OK - this is just showing off our amd64 linux ;-) ) > > > > How can I distinguish signed from unsigned without having to list all > > possible cases explicitly ? > > Hmm.... This is a problem. There is a 'u' kind for unsigned > integers. > > On my system I get 'u' when running the code you just gave. > > Can anybody on a 64-bit system confirm?
I'm on 64-bit Debian: In [11]: arr=N.arange(10,dtype=N.uint) In [12]: arr.dtype.kind Out[12]: 'u' In [13]: arr.dtype.itemsize Out[13]: 4 In [14]: arr=N.arange(10,dtype=N.long) In [15]: arr.dtype.kind Out[15]: 'i' In [16]: arr.dtype.itemsize Out[16]: 8 Scott -- Scott M. Ransom Address: NRAO Phone: (434) 296-0320 520 Edgemont Rd. email: [EMAIL PROTECTED] Charlottesville, VA 22903 USA GPG Fingerprint: 06A9 9553 78BE 16DB 407B FFCA 9BFA B6FF FFD3 2989 ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Numpy-discussion mailing list Numpy-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/numpy-discussion
