Avoid creation in demo scripts of output or Figures folders if exist already.

wrapper/matlab/+matfaust/+demo/+bsl/BSL.m

@@ -179,7 +179,9 @@ function BSL()
 	end
 	close(h);
 
-	mkdir 'output'
+	if(~ exist('output'))
+		mkdir 'output'
+	end
 	matfile = [ 'output' filesep 'results_BSL_user' ];
 	save(matfile,'resDist','Sparsity','RCG_list','compute_Times','Ntraining','nb_MEG_matrix');
 

wrapper/matlab/+matfaust/+demo/+bsl/Fig_BSL.m

@@ -66,7 +66,9 @@ function Fig_BSL()
 
 	%% figure configuration
 	figure_dir = ['.' filesep 'Figures'];
-	mkdir(figure_dir)
+	if(~ exist(figure_dir))
+		mkdir(figure_dir)
+	end
 	format_fig='-dpng';
 
 	load(matfile);

wrapper/matlab/+matfaust/+demo/+fft/speed_up_fourier.m

@@ -167,7 +167,9 @@ function speed_up_fourier()
 	runPath=which(mfilename);
 	pathname = fileparts(runPath);
 	figure_dir = ['.' filesep 'Figures'];
-	mkdir(figure_dir)
+	if(~ exist(figure_dir))
+		mkdir(figure_dir)
+	end
 	format_fig='-dpng';
 	figure_name=[figure_dir filesep 'Fourier-speed_up'];
 	print(figure_name, format_fig);

wrapper/matlab/+matfaust/+demo/+hadamardfact/demo_fact_hadamard.m

@@ -125,7 +125,9 @@ function demo_fact_hadamard()
 	runPath=which(mfilename);
 	pathname = fileparts(runPath);
 	figure_dir = [ '.' filesep 'Figures'];
-	mkdir(figure_dir)
+	if(~ exist(figure_dir))
+		mkdir(figure_dir)
+	end
 	format_fig='-dpng';
 
 

wrapper/matlab/+matfaust/+demo/+hadamardfact/norm_hadamard.m

@@ -193,7 +193,9 @@ function norm_hadamard()
 	runPath=which(mfilename);
 	pathname = fileparts(runPath);
 	figure_dir = ['.' filesep 'Figures'];
-	mkdir(figure_dir)
+	if(~ exist(figure_dir))
+		mkdir(figure_dir)
+	end
 	format_fig='-dpng';
 	figure_name=[figure_dir filesep 'Hadamard-norm'];
 	print(figure_name, format_fig);

wrapper/matlab/+matfaust/+demo/+hadamardfact/speed_up_hadamard.m

@@ -220,7 +220,9 @@ function speed_up_hadamard()
 	runPath=which(mfilename);
 	pathname = fileparts(runPath);
 	figure_dir = [ '.' filesep 'Figures'];
-	mkdir(figure_dir)
+	if(~ exist(figure_dir))
+		mkdir(figure_dir)
+	end
 	format_fig='-dpng';
 	figure_name=[figure_dir filesep 'Hadamard-speed_up'];
 	print(figure_name, format_fig);

wrapper/matlab/+matfaust/+demo/+runtimecmp/Fig_runtime_comparison.m

@@ -83,7 +83,9 @@ function Fig_runtime_comparison()
 
 	% figure configuration
 	figure_dir = [ '.' filesep 'Figures'];
-	mkdir(figure_dir)
+	if(~ exist(figure_dir))
+		mkdir(figure_dir)
+	end
 	format_fig='-dpng';
 
 

wrapper/matlab/+matfaust/+demo/+runtimecmp/runtime_comparison.m

@@ -192,7 +192,9 @@ function runtime_comparison()
 
 	runPath=which(mfilename);
 	pathname = 'output'
-	mkdir(pathname)
+	if(~ exist(pathname))
+		mkdir(pathname)
+	end
 	matfile = fullfile(pathname, 'runtime_comparison.mat');
 	save(matfile,'t_faust','t_dense','params');