[rllib] Entropy calculation for diag gaussian missing 0.5 term (#2968)
[rllib] Entropy calculation for diag gaussian missing 0.5 term (#2968)

See: https://en.wikipedia.org/wiki/Multivariate_normal_distribution#Entropy

pcmoritz/ray-1,ray-project/ray,ray-project/ray,ray-project/ray,robertnishihara/ray,ray-project/ray,stephanie-wang/ray,stephanie-wang/ray,atumanov/ray,ujvl/ray-ng,richardliaw/ray,pcmoritz/ray-1,richardliaw/ray,richardliaw/ray,ray-project/ray,atumanov/ray,stephanie-wang/ray,atumanov/ray,pcmoritz/ray-1,pcmoritz/ray-1,stephanie-wang/ray,stephanie-wang/ray,pcmoritz/ray-1,atumanov/ray,pcmoritz/ray-1,robertnishihara/ray,stephanie-wang/ray,robertnishihara/ray,atumanov/ray,stephanie-wang/ray,stephanie-wang/ray,robertnishihara/ray,robertnishihara/ray,pcmoritz/ray-1,richardliaw/ray,richardliaw/ray,richardliaw/ray,robertnishihara/ray,atumanov/ray,ray-project/ray,ray-project/ray,robertnishihara/ray,richardliaw/ray,pcmoritz/ray-1,atumanov/ray,atumanov/ray,ujvl/ray-ng,robertnishihara/ray,ujvl/ray-ng,ujvl/ray-ng,richardliaw/ray,ray-project/ray,robertnishihara/ray,stephanie-wang/ray