Sebastian Haase wrote: > On Friday 18 August 2006 11:38, Travis Oliphant wrote: > >> Sebastian Haase wrote: >> >>> Hi, >>> array dtype descriptors have an attribute itemsize that gives the total >>> number of bytes required for an item of that dtype. >>> >>> Scalar types, like numy.int32, also have that attribute, >>> but it returns "something else" - don't know what: >>> >>> >>> Furthermore there are *lot's* of more attributes to a scalar dtype, e.g. >>> >> The scalar types are actual Python types (classes) whereas the dtype >> objects are instances. >> >> The attributes you are seeing of the typeobject are very useful when you >> have an instance of that type. >> >> With numpy.int32.itemsize you are doing the equivalent of >> numpy.dtype.itemsize >> > > but why then do I not get the result 4 ? > Because it's not a "class" attribute, it's an instance attribute.
What does numpy.dtype.itemsize give you? -Travis ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Numpy-discussion mailing list Numpy-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/numpy-discussion
