Average Error: 0.0 → 0.0
Time: 28.3s
Precision: 64
Internal Precision: 320
\[\frac{-e^{\frac{-{x}^2}{2}}}{\sqrt{2 \cdot \pi}}\]
\[\frac{-e^{\frac{-{x}^2}{2}}}{\sqrt{2 \cdot \pi}}\]

Error

Bits error versus x

Derivation

  1. Initial program 0.0

    \[\frac{-e^{\frac{-{x}^2}{2}}}{\sqrt{2 \cdot \pi}}\]

Runtime

Time bar (total: 28.3s)Debug log

herbie shell --seed '#(2775764126 3555076145 3898259844 1891440260 2599947619 1948460636)' 
(FPCore (x)
  :name " -exp( -sqr(x)/2 )/sqrt(2*PI)"
  (/ (- (exp (/ (- (sqr x)) 2))) (sqrt (* 2 PI))))