Numeric.SpecFunctions:logGamma from math-functions-0.1.5.2, A

Average Error: 0.0 → 0.0

Time: 1.9s

Precision: binary64

Math

\[\]

↓

\[\]

Error

Bits error versus x

Bits error versus y

Derivation

1. Initial program 0.0

   \[\]
2. Using strategy rm

3. Applied sub-neg 0.0

   \[\leadsto \]

4. Applied distribute-lft-in 0.0

   \[\leadsto \]

5. Final simplification 0.0

   \[\leadsto \]

Reproduce

herbie shell --seed 2020180 
(FPCore (x y)
  :name "Numeric.SpecFunctions:logGamma from math-functions-0.1.5.2, A"
  :precision binary64
  (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))