jython-checkins

[Finn B. <bc...@us...>]

Update of /cvsroot/jython/jython/org/python/core
In directory usw-pr-cvs1:/tmp/cvs-serv11635

Modified Files:
	PyArray.java 
Log Message:
Support negative step slices for java array.



Index: PyArray.java
===================================================================
RCS file: /cvsroot/jython/jython/org/python/core/PyArray.java,v
retrieving revision 2.8
retrieving revision 2.9
diff -C2 -d -r2.8 -r2.9
*** PyArray.java	6 Jan 2002 21:19:13 -0000	2.8
--- PyArray.java	26 May 2002 21:00:49 -0000	2.9
***************
*** 83,91 ****
  
      protected PyObject getslice(int start, int stop, int step) {
!         if (step != 1)
!             throw Py.TypeError("step != 1 not implemented yet");
!         int n = stop-start;
          PyArray ret = new PyArray(type, n);
!         System.arraycopy(data, start, ret.data, 0, n);
          return ret;
      }
--- 83,100 ----
  
      protected PyObject getslice(int start, int stop, int step) {
!         if (step > 0 && stop < start)
!             stop = start;
!         int n = sliceLength(start, stop, step);
! 
          PyArray ret = new PyArray(type, n);
!         if (step == 1) {
!             System.arraycopy(data, start, ret.data, 0, n);
!             return ret;
!         }
!         int j = 0;
!         for (int i = start; j < n; i += step) {
!             Array.set(ret.data, j, Array.get(data, i));
!             j++;
!         }
          return ret;
      }