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Fix Miri failure with -Zmiri-tag-raw-pointers #1138

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merged 1 commit into from
Mar 9, 2024
Merged

Fix Miri failure with -Zmiri-tag-raw-pointers #1138

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24 changes: 4 additions & 20 deletions src/impl_methods.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2752,17 +2752,11 @@ where
A: 'a,
S: Data,
{
let view_len = self.len_of(axis);
let view_stride = self.strides.axis(axis);
if view_len == 0 {
if self.len_of(axis) == 0 {
let new_dim = self.dim.remove_axis(axis);
Array::from_shape_simple_fn(new_dim, move || mapping(ArrayView::from(&[])))
} else {
// use the 0th subview as a map to each 1d array view extended from
// the 0th element.
self.index_axis(axis, 0).map(|first_elt| unsafe {
mapping(ArrayView::new_(first_elt, Ix1(view_len), Ix1(view_stride)))
})
Zip::from(self.lanes(axis)).map_collect(mapping)
}
}

Expand All @@ -2783,21 +2777,11 @@ where
A: 'a,
S: DataMut,
{
let view_len = self.len_of(axis);
let view_stride = self.strides.axis(axis);
if view_len == 0 {
if self.len_of(axis) == 0 {
let new_dim = self.dim.remove_axis(axis);
Array::from_shape_simple_fn(new_dim, move || mapping(ArrayViewMut::from(&mut [])))
} else {
// use the 0th subview as a map to each 1d array view extended from
// the 0th element.
self.index_axis_mut(axis, 0).map_mut(|first_elt| unsafe {
mapping(ArrayViewMut::new_(
first_elt,
Ix1(view_len),
Ix1(view_stride),
))
})
Zip::from(self.lanes_mut(axis)).map_collect(mapping)
}
}

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