fixed bug with seeds in hybrid matlab-octave parallel clusters

manual cherry-pick from Commit:09bc0a0a

matlab/global_initialization.m

@@ -370,6 +370,7 @@ options_.mh_autocorrelation_function_size = 30;
 options_.plot_priors = 1;
 options_.cova_compute = 1;
 options_.parallel = 0;
+options_.parallel_info.isHybridMatlabOctave = false;
 options_.parallel_info.leaveSlaveOpen = 0;
 options_.parallel_info.RemoteTmpFolder = '';
 options_.number_of_grid_points_for_kde = 2^9;

matlab/parallel/InitializeComputationalEnvironment.m

@@ -45,6 +45,7 @@ end
 
 global options_
 
+isHybridMatlabOctave = false;
 for j=1:length(options_.parallel),
     if isempty(options_.parallel(j).MatlabOctavePath),
         if exist('OCTAVE_VERSION')
@@ -57,8 +58,14 @@ for j=1:length(options_.parallel),
         dynareroot = strrep(which('dynare'),'dynare.m','');
         options_.parallel(j).DynarePath=dynareroot;
     end
+    isHybridMatlabOctave = isHybridMatlabOctave || any(regexpi([options_.parallel(j).MatlabOctavePath], 'octave'));
+end
+isHybridMatlabOctave = isHybridMatlabOctave && ~exist('OCTAVE_VERSION');
+options_.parallel_info.isHybridMatlabOctave = isHybridMatlabOctave;
+if isHybridMatlabOctave,
+    % Reset dynare random generator and seed.
+    set_dynare_seed('default');
 end
-
 
 
 

matlab/set_dynare_seed.m

@@ -24,7 +24,7 @@ if ~nargin
     error('set_dynare_seed:: I need at least one input argument!')
 end
 
-matlab_random_streams = ~(exist('OCTAVE_VERSION') || matlab_ver_less_than('7.7'));
+matlab_random_streams = ~(exist('OCTAVE_VERSION') || matlab_ver_less_than('7.7') || options_.parallel_info.isHybridMatlabOctave);
 
 if matlab_random_streams% Use new matlab interface.
     if nargin==1