GiNaC/ginac basic.cpp mul.h

[Richard Kreckel]

Update of /home/cvs/GiNaC/ginac

Modified Files:
	basic.cpp mul.h 
Log Message:
Changes needed for compilation with -DDO_GINAC_ASSERT:
* basic.cpp: if needed, #include <typeinfo>,
* mul.h: mul::print() needed a default for 2nd arg.
Hey, Cebix, could you please have a look at the assertions of type
basis.return_type()==return_types::commutative in power.cpp ctors?
Watch out, though: they are not just bogus because of the rule
(x*y)^2 -> x^2*y^2 in power::eval().