Commit 2eb43cf2 authored by Johannes Pfeifer's avatar Johannes Pfeifer
Browse files

Add check for purely backwards model to k_order_pert

The k_order_solver does not solve purely backwards models (as is the case in stochastic_solvers.m). But in contrast to stochastic_solvers, there is no check and no warning. Entering the mex-file then results in a crash of Matlab
parent 0eca4535
......@@ -30,6 +30,10 @@ nspred = M.nspred;
if order>1 && options.loglinear
error('The loglinear-option currently only works at order 1')
if M.maximum_endo_lead == 0 && order>1
error(['2nd and 3rd order approximation not implemented for purely ' ...
'backward models'])
case 1
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