Average Error: 32.9 → 32.9
Time: 1.6s
Precision: binary64
\[\cos \left(\frac{pi + t}{3}\right)\]
↓
\[\cos \left(\frac{pi + t}{3}\right)\]
\cos \left(\frac{pi + t}{3}\right)
↓
\cos \left(\frac{pi + t}{3}\right)
double code(double pi, double t) {
	return ((double) cos(((double) (((double) (pi + t)) / 3.0))));
}
↓
double code(double pi, double t) {
	return ((double) cos(((double) (((double) (pi + t)) / 3.0))));
}

Error

Bits error versus pi

Bits error versus t

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 32.9

    \[\cos \left(\frac{pi + t}{3}\right)\]

  2. Final simplification32.9

    \[\leadsto \cos \left(\frac{pi + t}{3}\right)\]

Reproduce

herbie shell --seed 2020153 
(FPCore (pi t)
  :name "(cos (/ (+ pi t) 3))"
  :precision binary64
  (cos (/ (+ pi t) 3.0)))