Make Legendre transform type stable

[dlfivefifty]

No description provided.

[codecov]

Codecov Report

Patch coverage: 83.33% and project coverage change: +0.31% 🎉

Comparison is base (6f1ce10) 92.30% compared to head (fc7a75d) 92.61%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #152      +/-   ##
==========================================
+ Coverage   92.30%   92.61%   +0.31%     
==========================================
  Files          17       17              
  Lines        1845     1855      +10     
==========================================
+ Hits         1703     1718      +15     
+ Misses        142      137       -5     

Files Changed	Coverage Δ
src/lanczos.jl	85.38% <75.00%> (ø)
src/ClassicalOrthogonalPolynomials.jl	91.93% <81.81%> (-0.44%)	⬇️
src/normalized.jl	90.14% <83.33%> (+3.18%)	⬆️
src/adaptivetransform.jl	90.38% <100.00%> (ø)
src/classical/jacobi.jl	90.62% <100.00%> (+0.34%)	⬆️
src/classical/legendre.jl	97.64% <100.00%> (ø)

... and 1 file with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.