core: fix compatibility with Eigen >= 3.3.9

9 jobs for pr/1346 in 155 minutes and 50 seconds (queued for 1 second)
Name Stage Failure
failed
robotpkg-py-pinocchio-py3-16.04-release Test
/root/robotpkg/math/pinocchio/work.runner-zuwchyoo-project-5-concurrent-3/build.log
/root/robotpkg/mk/build/build.mk:198: recipe for target 'do-build' failed
make[1]: *** [do-build] Error 2
/root/robotpkg/mk/depends/depends.mk:70: recipe for target 'do-depends' failed
make: *** [do-depends] Error 1
/root/robotpkg/mk/internal/trusted.mk:36: recipe for target 'install' failed
make: *** [install] Error 2
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
format Test
-    MotionTpl & __pequ__(const MotionRef<Vector6ArgType> & v)
- { m_data += v.toVector(); return *this; }
-
- template<int O2>
- MotionTpl & __mequ__(const MotionTpl<Scalar,O2> & v)
- { m_data -= v.toVector(); return *this; }
-
- template<typename Vector6ArgType>
- MotionTpl & __mequ__(const MotionRef<Vector6ArgType> & v)
Job's log exceeded limit of 4194304 bytes.