Allow for a pre-built grid in LinearFast
#1388
Merged
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The
CGrid
constructor of the econforge interpolation library can take a substantial time if you build many interpolators.This PR allows you to pass a pre-constructed
CGrid
object toLinearFast
.This can save a lot of time in instances where you are building many interpolators over the same grid. For example, if you have consumption functions for many Markov states that are defined over the same asset grid. (cc: @wdu9 ?)