Add mjdgges.m unit test

Closes #1438

matlab/missing/mex/mjdgges/mjdgges.m

-function [ss, tt, zz, sdim, eigval, info] = mjdgges(e, d, qz_criterium, zhreshold)
+function [ss, tt, zz, sdim, eigval, info] = mjdgges(e, d, qz_criterium, zhreshold) % --*-- Unitary tests --*--
 %
 % INPUTS
 %   e            [double] real square (n*n) matrix.
@@ -65,3 +65,19 @@ try
 catch
     info = 1; % Not as precise as lapack's info!
 end
+
+%@test:1
+%$ try
+%$     E =[0,0,0,0,0,0,0,-1,0,0;0,0,0,0,0,0,0,0,-1,0;0,0,0,0,0,0,0,0,0,-0.990099009900990;0,0,0,0,0,0,0,0,0,0.0990099009900990;0,0,0,-1.01010101010101,0,0.0427672955974843,0,0,0,0;0,0,0,0,0,0.128301886792453,-1,0,0,0;0.800000000000000,0,0,0,0,0,0,0,0,0;0,1,0,0,0,0,1,0,0,0;0,0,0.900000000000000,0,0,0,0,0,0,0;0,0,0,-1.01010101010101,-1,0,2,0,-1,0];
+%$     D=[0,0,0,0,-1,0,0,-0.792000000000000,0,0;0,0,0,0,0,0,0,0,-0.990000000000000,0;0,0,0,-0.000493818030899887,0,0,0,0,0,-0.882178217821782;0,0,0,-1.00493818030900,0,0,0,0,0,0.0882178217821782;0,0,0,-1,0.128301886792453,0,0,0,0,0;-1,0,0,0,0,0,-0.990000000000000,0,0,0;1,0,0,0,0,0,0,0,0,0;0,1,0,0,0,0,0,0,0,0;0,0,1,0,0,0,0,0,0,0;0,0,0,0,-1,0,0,0,0,0];
+%$     [ss, tt, w, sdim, dr.eigval, info1]=mjdgges(E, D, 1.000001, 1e-06);
+%$     if sdim==5
+%$         t(1) = 1;
+%$     else 
+%$         t(1) = 0;
+%$     end
+%$ catch
+%$     t(1) = 0;
+%$ end
+%$ T = all(t);
+%@eof:1
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