convolution: document the cross-correlation convention in convolve_2d and pin it with a test#3619

brendancol wants to merge 2 commits into

xarray-contrib:mainxarray-contrib/xarray-spatial:mainfrom

brendancol:deep-sweep-reference-validation-convolution-2026-07-02brendancol/xarray-spatial:deep-sweep-reference-validation-convolution-2026-07-02Copy head branch name to clipboard