Average Error: 5.3 → 4.0
Time: 41.3s
Precision: 64
Internal Precision: 128
\[\left(\left(\left(\left(\left(\left(x \cdot 18.0\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4.0\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4.0\right) \cdot i\right) - \left(j \cdot 27.0\right) \cdot k\]
\[\begin{array}{l} \mathbf{if}\;t \le -1.8757066058813413 \cdot 10^{+123}:\\ \;\;\;\;\left(\left(b \cdot c + \left(\left(\left(18.0 \cdot \left(x \cdot y\right)\right) \cdot z\right) \cdot t - \left(a \cdot 4.0\right) \cdot t\right)\right) - \left(x \cdot 4.0\right) \cdot i\right) - k \cdot \left(j \cdot 27.0\right)\\ \mathbf{elif}\;t \le 5.1848662118297084 \cdot 10^{+129}:\\ \;\;\;\;\left(\left(b \cdot c + \left(\left(t \cdot z\right) \cdot \left(y \cdot \left(18.0 \cdot x\right)\right) - \left(a \cdot 4.0\right) \cdot t\right)\right) - \left(x \cdot 4.0\right) \cdot i\right) - 27.0 \cdot \left(j \cdot k\right)\\ \mathbf{else}:\\ \;\;\;\;\left(\left(b \cdot c + \left(t \cdot \left(z \cdot \left(y \cdot \left(18.0 \cdot x\right)\right)\right) - \left(a \cdot 4.0\right) \cdot t\right)\right) - \left(x \cdot 4.0\right) \cdot i\right) - \left(\sqrt[3]{27.0 \cdot \left(j \cdot k\right)} \cdot \sqrt[3]{27.0 \cdot \left(j \cdot k\right)}\right) \cdot \left(\sqrt[3]{j} \cdot \left(\sqrt[3]{27.0} \cdot \sqrt[3]{k}\right)\right)\\ \end{array}\]

Error

Bits error versus x

Bits error versus y

Bits error versus z

Bits error versus t

Bits error versus a

Bits error versus b

Bits error versus c

Bits error versus i

Bits error versus j

Bits error versus k

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Split input into 3 regimes
  2. if t < -1.8757066058813413e+123

    1. Initial program 1.6

      \[\left(\left(\left(\left(\left(\left(x \cdot 18.0\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4.0\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4.0\right) \cdot i\right) - \left(j \cdot 27.0\right) \cdot k\]
    2. Taylor expanded around inf 1.6

      \[\leadsto \left(\left(\left(\left(\color{blue}{\left(18.0 \cdot \left(x \cdot y\right)\right)} \cdot z\right) \cdot t - \left(a \cdot 4.0\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4.0\right) \cdot i\right) - \left(j \cdot 27.0\right) \cdot k\]

    if -1.8757066058813413e+123 < t < 5.1848662118297084e+129

    1. Initial program 6.1

      \[\left(\left(\left(\left(\left(\left(x \cdot 18.0\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4.0\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4.0\right) \cdot i\right) - \left(j \cdot 27.0\right) \cdot k\]
    2. Taylor expanded around 0 6.0

      \[\leadsto \left(\left(\left(\left(\left(\left(x \cdot 18.0\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4.0\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4.0\right) \cdot i\right) - \color{blue}{27.0 \cdot \left(j \cdot k\right)}\]
    3. Using strategy rm
    4. Applied associate-*l*4.5

      \[\leadsto \left(\left(\left(\color{blue}{\left(\left(x \cdot 18.0\right) \cdot y\right) \cdot \left(z \cdot t\right)} - \left(a \cdot 4.0\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4.0\right) \cdot i\right) - 27.0 \cdot \left(j \cdot k\right)\]

    if 5.1848662118297084e+129 < t

    1. Initial program 1.4

      \[\left(\left(\left(\left(\left(\left(x \cdot 18.0\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4.0\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4.0\right) \cdot i\right) - \left(j \cdot 27.0\right) \cdot k\]
    2. Taylor expanded around 0 1.3

      \[\leadsto \left(\left(\left(\left(\left(\left(x \cdot 18.0\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4.0\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4.0\right) \cdot i\right) - \color{blue}{27.0 \cdot \left(j \cdot k\right)}\]
    3. Using strategy rm
    4. Applied add-cube-cbrt1.4

      \[\leadsto \left(\left(\left(\left(\left(\left(x \cdot 18.0\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4.0\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4.0\right) \cdot i\right) - \color{blue}{\left(\sqrt[3]{27.0 \cdot \left(j \cdot k\right)} \cdot \sqrt[3]{27.0 \cdot \left(j \cdot k\right)}\right) \cdot \sqrt[3]{27.0 \cdot \left(j \cdot k\right)}}\]
    5. Taylor expanded around inf 45.1

      \[\leadsto \left(\left(\left(\left(\left(\left(x \cdot 18.0\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4.0\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4.0\right) \cdot i\right) - \left(\sqrt[3]{27.0 \cdot \left(j \cdot k\right)} \cdot \sqrt[3]{27.0 \cdot \left(j \cdot k\right)}\right) \cdot \color{blue}{\left(\sqrt[3]{27.0} \cdot e^{\frac{-1}{3} \cdot \left(\log \left(\frac{1}{k}\right) + \log \left(\frac{1}{j}\right)\right)}\right)}\]
    6. Simplified1.4

      \[\leadsto \left(\left(\left(\left(\left(\left(x \cdot 18.0\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4.0\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4.0\right) \cdot i\right) - \left(\sqrt[3]{27.0 \cdot \left(j \cdot k\right)} \cdot \sqrt[3]{27.0 \cdot \left(j \cdot k\right)}\right) \cdot \color{blue}{\left(\sqrt[3]{j} \cdot \left(\sqrt[3]{k} \cdot \sqrt[3]{27.0}\right)\right)}\]
  3. Recombined 3 regimes into one program.
  4. Final simplification4.0

    \[\leadsto \begin{array}{l} \mathbf{if}\;t \le -1.8757066058813413 \cdot 10^{+123}:\\ \;\;\;\;\left(\left(b \cdot c + \left(\left(\left(18.0 \cdot \left(x \cdot y\right)\right) \cdot z\right) \cdot t - \left(a \cdot 4.0\right) \cdot t\right)\right) - \left(x \cdot 4.0\right) \cdot i\right) - k \cdot \left(j \cdot 27.0\right)\\ \mathbf{elif}\;t \le 5.1848662118297084 \cdot 10^{+129}:\\ \;\;\;\;\left(\left(b \cdot c + \left(\left(t \cdot z\right) \cdot \left(y \cdot \left(18.0 \cdot x\right)\right) - \left(a \cdot 4.0\right) \cdot t\right)\right) - \left(x \cdot 4.0\right) \cdot i\right) - 27.0 \cdot \left(j \cdot k\right)\\ \mathbf{else}:\\ \;\;\;\;\left(\left(b \cdot c + \left(t \cdot \left(z \cdot \left(y \cdot \left(18.0 \cdot x\right)\right)\right) - \left(a \cdot 4.0\right) \cdot t\right)\right) - \left(x \cdot 4.0\right) \cdot i\right) - \left(\sqrt[3]{27.0 \cdot \left(j \cdot k\right)} \cdot \sqrt[3]{27.0 \cdot \left(j \cdot k\right)}\right) \cdot \left(\sqrt[3]{j} \cdot \left(\sqrt[3]{27.0} \cdot \sqrt[3]{k}\right)\right)\\ \end{array}\]

Runtime

Time bar (total: 41.3s)Debug logProfile

herbie shell --seed 2018273 +o rules:numerics
(FPCore (x y z t a b c i j k)
  :name "Diagrams.Solve.Polynomial:cubForm  from diagrams-solve-0.1"
  (- (- (+ (- (* (* (* (* x 18.0) y) z) t) (* (* a 4.0) t)) (* b c)) (* (* x 4.0) i)) (* (* j 27.0) k)))