Guarantee that .as_slice_memory_order_mut() preserves strides
#1019
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This fixes bugs in `.map_mut()` and `.zip_mut_with_same_shape()`. Before this commit, strides obtained before calling `.as_slice_memory_order_mut()` could not be used to correctly interpret the data in the returned slice. Now, the strides are preserved, so the implementations of `.map_mut()` and `.zip_mut_with_same_shape()` work correctly. This also makes it much easier for users of the crate to use `.as_slice_memory_order_mut()` correctly in generic code. Fixes rust-ndarray#1018.
bluss
approved these changes
Jun 1, 2021
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Fixes #1018.