Average Error: 30.0 → 15.0
Time: 4.2s
Precision: binary64
\[\]
↓
\[\]
↓
double code(double x) {
	return ((double) sqrt(((double) (2.0 * ((double) pow(x, 2.0))))));
}

↓
double code(double x) {
	double VAR;
	if ((x <= -4.10308142148605e-310)) {
		VAR = ((double) sqrt(((double) (2.0 * ((double) pow(x, 2.0))))));
	} else {
		VAR = ((double) (((double) sqrt(((double) sqrt(((double) sqrt(2.0)))))) * ((double) (((double) sqrt(((double) sqrt(2.0)))) * ((double) (((double) sqrt(((double) sqrt(((double) sqrt(2.0)))))) * ((double) pow(x, 1.0))))))));
	}
	return VAR;
}

Error
Bits error versus x
Try it out
Your Program's Arguments
Results
Enter valid numbers for all inputs
Derivation
  1. Split input into 2 regimes
  2. if  x  < -4.103081421486052e-310
    1. Initial program 30.1
      \[\]
    if -4.103081421486052e-310 <  x 
    1. Initial program 30.0
      \[\]
    2. Taylor expanded around 0 5.7
      \[\leadsto \]
    3. Simplified0.4
      \[\leadsto \]
    4. Using strategy rm
    5. Applied add-sqr-sqrt0.4
      \[\leadsto \]
    6. Applied sqrt-prod0.6
      \[\leadsto \]
    7. Applied associate-*l*0.4
      \[\leadsto \]
    8. Simplified0.4
      \[\leadsto \]
    9. Using strategy rm
    10. Applied add-sqr-sqrt0.4
      \[\leadsto \]
    11. Applied sqrt-prod0.4
      \[\leadsto \]
    12. Applied sqrt-prod0.4
      \[\leadsto \]
    13. Applied associate-*l*0.4
      \[\leadsto \]
    14. Simplified0.3
      \[\leadsto \]
  3. Recombined 2 regimes into one program.
  4. Final simplification15.0
    \[\leadsto \]
Reproduce
herbie shell --seed 2020179 
(FPCore (x)
  :name "sqrt D"
  :precision binary64
  (sqrt (* 2.0 (pow x 2.0))))