Average Error: 28.0 → 28.0
Time: 1.4s
Precision: binary64
\[\sin \left(x + \frac{\pi}{2}\right)\]
↓
\[\sin \left(x + \frac{\pi}{2}\right)\]
\sin \left(x + \frac{\pi}{2}\right)
↓
\sin \left(x + \frac{\pi}{2}\right)
double code(double x) {
	return ((double) sin(((double) (x + ((double) (((double) M_PI) / 2.0))))));
}
↓
double code(double x) {
	return ((double) sin(((double) (x + ((double) (((double) M_PI) / 2.0))))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 28.0

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

  2. Final simplification28.0

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

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(sin (+ x (/ PI 2)))"
  :precision binary64
  (sin (+ x (/ PI 2.0))))