On 10/03/2014 01:20 PM, Jonathan Wakely wrote: > My guess is that Sigma holds a dangling reference to some temporary > object that has gone out of scope, and the function call t2s > overwrites that stack memory, then when you return to main you go > through the dangling reference. > > Are you sure you're using the Eigen types correctly? You are right, the auto type does not force the evaluation of Sigma, which leaves the dangling reference. Yet again I get burned by trying to combine Eigen and C++11. How would you classify this, could you call it a bug in Eigen, or just incompatibility with C++11? Thank you for you time. - Henrik
