Fixes #791: structural arithmatic for empty matrices
Fixes #791: structural arithmatic for empty matrices
jacobian for empty matrices: proper treatment
Fixes #791: structural arithmatic for empty matrices

Reverting changes for MX, since that exposes other bugs  -- see #380
automatic documentation update
customIO helper: correcting implementation mistake for C++ version
adding two-argument blkdiag in mx_tools for C++
Adding SDQPSolver

Similar as SDP, but accepts quadratic objective
Make SDP unittests generic
Adding unittests for SDQPSolver
Adding proof of concept SCP solver in experimental
make use of stronglyconnectedcomponents in eig_symbolic
Adding symbolic roots of cubic polynomial
Strange inaccuracy in SDQP pops up in trunktesterbot
automatic documentation update
automatic documentation update
Concerning #799: Added test script
Added missing assertions
Fixes #799
Removed #799 test script