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diff --git a/src/stlplus/persistence/persistent_complex.tpp b/src/stlplus/persistence/persistent_complex.tpp
new file mode 100644
index 0000000..7db9bc4
--- /dev/null
+++ b/src/stlplus/persistence/persistent_complex.tpp
@@ -0,0 +1,35 @@
+////////////////////////////////////////////////////////////////////////////////
+
+//   Author:    Andy Rushton
+//   Copyright: (c) Southampton University 1999-2004
+//              (c) Andy Rushton           2004-2009
+//   License:   BSD License, see ../docs/license.html
+
+////////////////////////////////////////////////////////////////////////////////
+
+namespace stlplus
+{
+
+  ////////////////////////////////////////////////////////////////////////////////
+
+  template<typename T, typename D>
+  void dump_complex(dump_context& context, const std::complex<T>& data, D dump_fn)
+    throw(persistent_dump_failed)
+  {
+    dump_fn(context,data.real());
+    dump_fn(context,data.imag());
+  }
+
+  template<typename T, typename R>
+  void restore_complex(restore_context& context, std::complex<T>& data, R restore_fn)
+    throw(persistent_restore_failed)
+  {
+    T re, im;
+    restore_fn(context,re);
+    restore_fn(context,im);
+    data = std::complex<T>(re, im);
+  }
+
+  ////////////////////////////////////////////////////////////////////////////////
+
+} // end namespace stlplus