2002-08-28  Christophe Prud'homme  <prudhomm@mit.edu>

	* *.h: standardize the #include and put proper std:: namespace where applicable

	* arrseig.h (Eigenvectors): removed default initialization in implementation

	* arcomp.h: use standard C++ headers: <complex.h> -> <complex>
	(arcomplex): now arcomplex is always complex

