Average Error: 0.1 → 0
Time: 33.1s
Precision: 64
\[\left(d1 \cdot \left(\left(\left(\left(\left(d1 \cdot \left(d1 \cdot d1\right)\right) \cdot d1\right) \cdot d1\right) \cdot \left(d1 \cdot d1\right)\right) \cdot d1\right)\right) \cdot d1\]
\[{d1}^{10}\]
double f(double d1) {
        double r46888457 = d1;
        double r46888458 = r46888457 * r46888457;
        double r46888459 = r46888457 * r46888458;
        double r46888460 = r46888459 * r46888457;
        double r46888461 = r46888460 * r46888457;
        double r46888462 = r46888461 * r46888458;
        double r46888463 = r46888462 * r46888457;
        double r46888464 = r46888457 * r46888463;
        double r46888465 = r46888464 * r46888457;
        return r46888465;
}

double f(double d1) {
        double r46888466 = d1;
        double r46888467 = 10.0;
        double r46888468 = pow(r46888466, r46888467);
        return r46888468;
}

\left(d1 \cdot \left(\left(\left(\left(\left(d1 \cdot \left(d1 \cdot d1\right)\right) \cdot d1\right) \cdot d1\right) \cdot \left(d1 \cdot d1\right)\right) \cdot d1\right)\right) \cdot d1
{d1}^{10}

Error

Bits error versus d1

Target

Original0.1
Target0
Herbie0
\[{d1}^{10}\]

Derivation

  1. Initial program 0.1

    \[\left(d1 \cdot \left(\left(\left(\left(\left(d1 \cdot \left(d1 \cdot d1\right)\right) \cdot d1\right) \cdot d1\right) \cdot \left(d1 \cdot d1\right)\right) \cdot d1\right)\right) \cdot d1\]
  2. Using strategy rm
  3. Applied pow20.1

    \[\leadsto \left(d1 \cdot \left(\left(\left(\left(\left(d1 \cdot \left(d1 \cdot d1\right)\right) \cdot d1\right) \cdot d1\right) \cdot \color{blue}{{d1}^{2}}\right) \cdot d1\right)\right) \cdot d1\]
  4. Applied pow10.1

    \[\leadsto \left(d1 \cdot \left(\left(\left(\left(\left(d1 \cdot \left(d1 \cdot d1\right)\right) \cdot d1\right) \cdot \color{blue}{{d1}^{1}}\right) \cdot {d1}^{2}\right) \cdot d1\right)\right) \cdot d1\]
  5. Applied pow10.1

    \[\leadsto \left(d1 \cdot \left(\left(\left(\left(\left(d1 \cdot \left(d1 \cdot d1\right)\right) \cdot \color{blue}{{d1}^{1}}\right) \cdot {d1}^{1}\right) \cdot {d1}^{2}\right) \cdot d1\right)\right) \cdot d1\]
  6. Applied pow10.1

    \[\leadsto \left(d1 \cdot \left(\left(\left(\left(\left(d1 \cdot \left(d1 \cdot \color{blue}{{d1}^{1}}\right)\right) \cdot {d1}^{1}\right) \cdot {d1}^{1}\right) \cdot {d1}^{2}\right) \cdot d1\right)\right) \cdot d1\]
  7. Applied pow10.1

    \[\leadsto \left(d1 \cdot \left(\left(\left(\left(\left(d1 \cdot \left(\color{blue}{{d1}^{1}} \cdot {d1}^{1}\right)\right) \cdot {d1}^{1}\right) \cdot {d1}^{1}\right) \cdot {d1}^{2}\right) \cdot d1\right)\right) \cdot d1\]
  8. Applied pow-prod-up0.1

    \[\leadsto \left(d1 \cdot \left(\left(\left(\left(\left(d1 \cdot \color{blue}{{d1}^{\left(1 + 1\right)}}\right) \cdot {d1}^{1}\right) \cdot {d1}^{1}\right) \cdot {d1}^{2}\right) \cdot d1\right)\right) \cdot d1\]
  9. Applied pow10.1

    \[\leadsto \left(d1 \cdot \left(\left(\left(\left(\left(\color{blue}{{d1}^{1}} \cdot {d1}^{\left(1 + 1\right)}\right) \cdot {d1}^{1}\right) \cdot {d1}^{1}\right) \cdot {d1}^{2}\right) \cdot d1\right)\right) \cdot d1\]
  10. Applied pow-prod-up0.1

    \[\leadsto \left(d1 \cdot \left(\left(\left(\left(\color{blue}{{d1}^{\left(1 + \left(1 + 1\right)\right)}} \cdot {d1}^{1}\right) \cdot {d1}^{1}\right) \cdot {d1}^{2}\right) \cdot d1\right)\right) \cdot d1\]
  11. Applied pow-prod-up0.1

    \[\leadsto \left(d1 \cdot \left(\left(\left(\color{blue}{{d1}^{\left(\left(1 + \left(1 + 1\right)\right) + 1\right)}} \cdot {d1}^{1}\right) \cdot {d1}^{2}\right) \cdot d1\right)\right) \cdot d1\]
  12. Applied pow-prod-up0.1

    \[\leadsto \left(d1 \cdot \left(\left(\color{blue}{{d1}^{\left(\left(\left(1 + \left(1 + 1\right)\right) + 1\right) + 1\right)}} \cdot {d1}^{2}\right) \cdot d1\right)\right) \cdot d1\]
  13. Applied pow-prod-up0.1

    \[\leadsto \left(d1 \cdot \left(\color{blue}{{d1}^{\left(\left(\left(\left(1 + \left(1 + 1\right)\right) + 1\right) + 1\right) + 2\right)}} \cdot d1\right)\right) \cdot d1\]
  14. Simplified0.1

    \[\leadsto \left(d1 \cdot \left({d1}^{\color{blue}{7}} \cdot d1\right)\right) \cdot d1\]
  15. Taylor expanded around -inf 0

    \[\leadsto \color{blue}{{d1}^{10}}\]
  16. Final simplification0

    \[\leadsto {d1}^{10}\]

Reproduce

herbie shell --seed 2019102 
(FPCore (d1)
  :name "FastMath test5"

  :herbie-target
  (pow d1 10)

  (* (* d1 (* (* (* (* (* d1 (* d1 d1)) d1) d1) (* d1 d1)) d1)) d1))