Average Error: 29.0 → 29.0
Time: 1.5s
Precision: binary64
\[\sin \left(x + \frac{2}{3} \cdot \pi\right)\]
↓
\[\sin \left(x + \frac{2}{3} \cdot \pi\right)\]
\sin \left(x + \frac{2}{3} \cdot \pi\right)
↓
\sin \left(x + \frac{2}{3} \cdot \pi\right)
double code(double x) {
	return ((double) sin(((double) (x + ((double) (((double) (2.0 / 3.0)) * ((double) M_PI)))))));
}
↓
double code(double x) {
	return ((double) sin(((double) (x + ((double) (((double) (2.0 / 3.0)) * ((double) M_PI)))))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 29.0

    \[\sin \left(x + \frac{2}{3} \cdot \pi\right)\]

  2. Final simplification29.0

    \[\leadsto \sin \left(x + \frac{2}{3} \cdot \pi\right)\]

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(sin (+ x (* (/ 2 3) PI)))"
  :precision binary64
  (sin (+ x (* (/ 2.0 3.0) PI))))