24 Feb
2005
24 Feb
'05
1:51 p.m.
Dear Marco, On Thu, 24 Feb 2005 mdias@ift.unesp.br wrote:
test.cpp:88: error: invalid initialization of reference of type 'GiNaC::ex&' from expression of type 'GiNaC::idx'
It is better to make covdiff::index into an ex. What if somebody is going to initialize a covdiff from a varidx? The varidx will get stripped into an idx. I don't think that is what you want. Best wishes, Chris