SciTools/iris — pull request #1160 by rhattersley (2014-06-04 12:46:50+00:00)
Title: Expose extrapolation mode for bilinear regridding.

This PR builds on the underlying capabilities from #1156 and in order to provide a new `extrapolation_mode` parameter for `iris.experimental.regrid.regrid_bilinear_rectilinear_src_and_grid()`.