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core/ndstrides: add NDArrayObject::make_copy

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lyken 2024-08-20 15:00:27 +08:00 committed by David Mak
parent 8f9d2d82dd
commit b6980c3a39
1 changed files with 18 additions and 0 deletions
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18
nac3core/src/codegen/object/ndarray/mod.rs
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@ -337,6 +337,24 @@ impl<'ctx> NDArrayObject<'ctx> {
call_nac3_ndarray_set_strides_by_shape(generator, ctx, self.instance);
}
/// Clone/Copy this ndarray - Allocate a new ndarray with the same shape as this ndarray and copy the contents over.
///
/// The new ndarray will own its data and will be C-contiguous.
#[must_use]
pub fn make_copy<G: CodeGenerator + ?Sized>(
&self,
generator: &mut G,
ctx: &mut CodeGenContext<'ctx, '_>,
) -> Self {
let clone = NDArrayObject::alloca(generator, ctx, self.dtype, self.ndims);
let shape = self.instance.gep(ctx, |f| f.shape).load(generator, ctx);
clone.copy_shape_from_array(generator, ctx, shape);
clone.create_data(generator, ctx);
clone.copy_data_from(generator, ctx, *self);
clone
}
/// Copy data from another ndarray.
///
/// This ndarray and `src` is that their `np.size()` should be the same. Their shapes