8000 ENH: Make 1-dimensional axes not matter for contiguous flags by seberg · Pull Request #2694 · numpy/numpy · GitHub
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ENH: Make 1-dimensional axes not matter for contiguous flags #2694

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Merged
merged 12 commits into from
Oct 25, 2012
Merged

ENH: Make 1-dimensional axes not matter for contiguous flags #2694

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b46f589
ENH: Do not rely on clean strides for loops.
seberg Oct 21, 2012
fb64bbf
TST: Update ctypes tests for changed contiguous flags setting.
seberg Oct 21, 2012
4b28147
API: Change isfortran to f-contig and not c-contig
seberg Oct 21, 2012
0e10f55
BUG: Replace ISFORTRAN by IS_F_CONTIGUOUS.
seberg Oct 21, 2012
44f83e2
TST: Test order='F' combined with C/F-contiguous arrays.
seberg Oct 21, 2012
c48156d
API: Change Flags Updateing to allow C-/F-contiguous arrays
seberg Oct 21, 2012
8daf144
API: ctors changed so that contiguous flags ignore 1-dim axis
seberg Oct 21, 2012
a0891ab
MNT: Remove unnecessary stride/flags cleanup.
seberg Oct 21, 2012
dc4e38b
BUG: Fix bug with size 1-dims in CreateSortedStridePerm
seberg Oct 21, 2012
dbe4468
TST: Check if contiguous flags are correct in various situations
seberg Oct 22, 2012
4d741d2
MNT: Minor cleanups in comments and lowlevel_strided_loops.
seberg Oct 22, 2012
02ebf8b
MNT: Remove unnecessary special cases in _UpdateContiguousFlags
seberg Oct 23, 2012
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MNT: Remove unnecessary special cases in _UpdateContiguousFlags 
Remove unnecessary special cases for 0 and 1-d arrays as suggested
by njsmith.
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@seberg
seberg committed Oct 23, 2012
commit 02ebf8b3e7674a6b8a06636feaa6c761fcdf4e2d
16 changes: 0 additions & 16 deletions numpy/core/src/multiarray/flagsobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -101,23 +101,7 @@ _UpdateContiguousFlags(PyArrayObject *ap)
int i;
npy_bool is_c_contig = 1;

if (PyArray_NDIM(ap) == 0) {
PyArray_ENABLEFLAGS(ap, NPY_ARRAY_C_CONTIGUOUS);
PyArray_ENABLEFLAGS(ap, NPY_ARRAY_F_CONTIGUOUS);
return;
}
sd = PyArray_DESCR(ap)->elsize;
if (PyArray_NDIM(ap) == 1) {
if (PyArray_DIMS(ap)[0] == 1 || sd == PyArray_STRIDES(ap)[0]) {
PyArray_ENABLEFLAGS(ap, NPY_ARRAY_C_CONTIGUOUS);
PyArray_ENABLEFLAGS(ap, NPY_ARRAY_F_CONTIGUOUS);
return;
}
PyArray_CLEARFLAGS(ap, NPY_ARRAY_C_CONTIGUOUS);
PyArray_CLEARFLAGS(ap, NPY_ARRAY_F_CONTIGUOUS);
return;
}

for (i = PyArray_NDIM(ap) - 1; i >= 0; --i) {
dim = PyArray_DIMS(ap)[i];
/* contiguous by definition */
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