Example of multiple levels in the WilsonFermion hmc test. Merge remote-tracking branch 'upstream/master' Conflicts: lib/qcd/hmc/HMC.h lib/qcd/hmc/integrators/Integrator.h lib/qcd/hmc/integrators/Integrator_algorithm.h tests/Test_simd.cc
Merge remote-tracking branch 'upstream/master' Conflicts: configure
Implementing SSE4 now A systematic series of tests must be written.
It generates automatically the linker flags or complains if not found.