[issue16934] qsort doesn't work for double arrays

2013-01-11 Thread Mark Dickinson
Mark Dickinson added the comment: Closing as invalid: the issue is not in Python but with the CMPFUNC line. Your py_cmp_func should return an integer rather than a float to be compatible with libc.qsort. -- resolution: -> invalid status: open -> closed _

[issue16934] qsort doesn't work for double arrays

2013-01-11 Thread Mark Dickinson
Mark Dickinson added the comment: What happens if you replace the line: CMPFUNC = CFUNCTYPE(c_double, POINTER(c_double), POINTER(c_double)) in your example code with CMPFUNC = CFUNCTYPE(c_int, POINTER(c_double), POINTER(c_double)) ? -- nosy: +mark.dickinson _

[issue16934] qsort doesn't work for double arrays

2013-01-11 Thread Serhiy Storchaka
Changes by Serhiy Storchaka : -- nosy: +amaury.forgeotdarc, belopolsky, meador.inge ___ Python tracker ___ ___ Python-bugs-list mailin

[issue16934] qsort doesn't work for double arrays

2013-01-11 Thread Stephane Poirier
New submission from Stephane Poirier: qsort doesn't sort arrays that are defined with double elements. You can find attached a script that shows this function working well for int (as described in the ctypes documentation). If int array is replaced by double array qsort doesn't sort any more. E