Added a routine to convert variable names with underscores into somthing...

Added a routine to convert variable names with underscores into somthing readable by a tex processor.

matlab/name2tex.m

+function tex = name2tex(name, info)
+% Converts plain text name into tex name.
+ 
+% Copyright (C) 2013 Dynare Team
+%
+% This file is part of Dynare.
+%
+% Dynare is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 3 of the License, or
+% (at your option) any later version.
+%
+% Dynare is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
+
+if nargin<2
+    info = 0;
+end
+
+id = findstr('_',name);
+if isempty(id)
+    tex = name;
+    return
+end
+    
+if info
+    tex = name;
+    n = length(id);
+    if id(1)==1
+        tex = ['\_', tex(2:end)];
+        if n>1
+            id = id(2:end)+1;
+            n = n-1;
+        else
+            return
+        end
+    end
+    if id(end)==length(tex)
+        tex = [tex(1:end-1) '\_'];
+        if n>1
+            id = id(1:end-1);
+            n = n-1;
+        else
+            return
+        end
+    end
+    if n==1
+        tex = [ tex(1:(id-1)) '_{'  tex((id+1):end) '}' ];
+        return
+    else
+        for i=1:n-1
+            tex = [tex(1:id(1)-1) '\_' tex((id(1)+1):end)];
+            id = id(2:end)+1;
+        end
+        tex = [tex(1:(id-1)) '_{'  tex((id+1):end) '}'];
+    end
+else
+    tex = strrep(name, '_', '\_');
+end
+
+%@test:1
+%$ t = zeros(16,1);
+%$ t1 = name2tex('_azert');
+%$ t2 = name2tex('azert_');
+%$ t3 = name2tex('_azert_');
+%$ t4 = name2tex('azert_uiop');
+%$ t5 = name2tex('azert_uiop_qsdfg');
+%$ t6 = name2tex('azert_uiop_qsdfg_');
+%$ t7 = name2tex('_azert_uiop_qsdfg');
+%$ t8 = name2tex('_azert_uiop_qsdfg_');
+%$ t11 = name2tex('_azert',1);
+%$ t12 = name2tex('azert_',1);
+%$ t13 = name2tex('_azert_',1);
+%$ t14 = name2tex('azert_uiop',1);
+%$ t15 = name2tex('azert_uiop_qsdfg',1);
+%$ t16 = name2tex('azert_uiop_qsdfg_',1);
+%$ t17 = name2tex('_azert_uiop_qsdfg',1); 
+%$ t18 = name2tex('_azert_uiop_qsdfg_',1);
+%$ 
+%$ t(1) = dyn_assert(strcmp(t1,'\\_azert'),1);
+%$ t(2) = dyn_assert(strcmp(t2,'azert\\_'),1);
+%$ t(3) = dyn_assert(strcmp(t3,'\\_azert\\_'),1);
+%$ t(4) = dyn_assert(strcmp(t4,'azert\\_uiop'),1);
+%$ t(5) = dyn_assert(strcmp(t5,'azert\\_uiop\\_qsdfg'),1);
+%$ t(6) = dyn_assert(strcmp(t6,'azert\\_uiop\\_qsdfg\\_'),1);
+%$ t(7) = dyn_assert(strcmp(t7,'\\_azert\\_uiop\\_qsdfg'),1);
+%$ t(8) = dyn_assert(strcmp(t8,'\\_azert\\_uiop\\_qsdfg\\_'),1);
+%$ t(9) = dyn_assert(strcmp(t11,'\\_azert'),1);
+%$ t(10) = dyn_assert(strcmp(t12,'azert\\_'),1);
+%$ t(11) = dyn_assert(strcmp(t13,'\\_azert\\_'),1);
+%$ t(12) = dyn_assert(strcmp(t14,'azert_{uiop}'),1);
+%$ t(13) = dyn_assert(strcmp(t15,'azert\\_uiop_{qsdfg}'),1);
+%$ t(14) = dyn_assert(strcmp(t16,'azert\\_uiop_{qsdfg\\_}'),1);
+%$ t(15) = dyn_assert(strcmp(t17,'\\_azert\\_uiop_{qsdfg}'),1);
+%$ t(16) = dyn_assert(strcmp(t18,'\\_azert\\_uiop_{qsdfg\\_}'),1);
+%$
+%$ T = all(t);
+%@eof:1
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