+ EXAMPLES:
+
+ In theory, our "field" can be any subfield of the reals::
+
+ sage: ComplexHermitianEJA(2,AA)
+ Euclidean Jordan algebra of dimension 4 over Algebraic Real Field
+ sage: ComplexHermitianEJA(2,RR)
+ Euclidean Jordan algebra of dimension 4 over Real Field with
+ 53 bits of precision
+