80eeee697d13936d2cc6b4a550cf64b20b6e08d8 diffuse_filter: add test for compute_Pinf_Pstar Dynare failed to compile or MATLAB testsuite failed to run

A full log can be found at http://www.dynare.org/testsuite/R2016b/master/matlab Run on Matlab R2016b, Linux sedna 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u2 (2016-10-19) x86_64 GNU/Linux