Updated for OSX x13 binaries.

externals/x13/installx13.m

@@ -26,6 +26,7 @@ if ~exist('x13.zip','file')
     end
     unzip('x13.zip');
     movefile('binaries/linux','./linux');
+    movefile('binaries/osx','./osx');
     movefile('binaries/windows','./windows');
     rmdir('binaries');
 end

src/utilities/x13/select_x13_binary.m

@@ -32,6 +32,13 @@ elseif ispc()
     else
         x13_binary = sprintf('%s%s%s%s', x13_binary, '32', filesep(), 'x13.exe');
     end
+elseif ismac()
+    x13_binary = sprintf('%s%s%s', dseries_x13_root, 'osx', filesep());
+    if is64bit()
+        x13_binary = sprintf('%s%s%s%s', x13_binary, '64', filesep(), 'x13');
+    else
+        x13_binary = sprintf('%s%s%s%s', x13_binary, '32', filesep(), 'x13');
+    end
 else
     error('X13 binary is not yet available for this plateform')
 end
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