Drop units in eigen_est, since internalnorm drops units

[YingboMa]

No description provided.

[devmotion]

Just noticed that https://github.com/JuliaDiffEq/OrdinaryDiffEq.jl/blob/master/src/perform_step/low_order_rk_perform_step.jl#L781 causes a type instability, as far as I can see. I guess it should be ϱu, ϱd = zero(eltype(k7))^2, zero(eltype(g7))^2?

[YingboMa]

Bump

[ChrisRackauckas]

Rebase first.

[coveralls]

Coverage increased (+6.7%) to 76.34% when pulling 354ea3c on myb/unit into 18deef4 on master.

[codecov]

Codecov Report

Merging #645 into master will increase coverage by 4.3%.
The diff coverage is 66.66%.

@@            Coverage Diff            @@
##           master     #645     +/-   ##
=========================================
+ Coverage   68.39%   72.69%   +4.3%     
=========================================
  Files          93       93             
  Lines       29161    29177     +16     
=========================================
+ Hits        19945    21211   +1266     
+ Misses       9216     7966   -1250

Impacted Files	Coverage Δ
src/solve.jl	91.37% <100%> (+0.04%)	⬆️
src/perform_step/low_order_rk_perform_step.jl	98.7% <50%> (ø)	⬆️
src/algorithms.jl	98.26% <0%> (+0.03%)	⬆️
src/dense/interpolants.jl	98.56% <0%> (+0.11%)	⬆️
src/alg_utils.jl	33.66% <0%> (+0.74%)	⬆️
src/initdt.jl	92.95% <0%> (+1.4%)	⬆️
src/integrators/integrator_utils.jl	88.77% <0%> (+1.47%)	⬆️
src/dense/generic_dense.jl	71.84% <0%> (+3.78%)	⬆️
src/caches/low_order_rk_caches.jl	89.04% <0%> (+7.22%)	⬆️
... and 10 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 18deef4...354ea3c. Read the comment docs.