(+ (sin x) (tanh x))

Average Error: 0.4 → 0.4

Time: 1.2s

Precision: binary64

Math

\[\sin x + \tanh x\]

↓

\[\sin x + \tanh x\]

C

double code(double x) {
	return ((double) (((double) sin(x)) + ((double) tanh(x))));
}

↓

double code(double x) {
	return ((double) (((double) sin(x)) + ((double) tanh(x))));
}

Error

Bits error versus x

Derivation

1. Initial program 0.4

   \[\sin x + \tanh x\]

2. Final simplification 0.4

   \[\leadsto \sin x + \tanh x\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(+ (sin x) (tanh x))"
  :precision binary64
  (+ (sin x) (tanh x)))