Average Error: 6.2 → 6.2
Time: 4.2s
Precision: binary64
\[\cosh \left(3 \cdot \cosh^{-1} x\right)\]
↓
\[\cosh \left(3 \cdot \cosh^{-1} x\right)\]
\cosh \left(3 \cdot \cosh^{-1} x\right)
↓
\cosh \left(3 \cdot \cosh^{-1} x\right)
double code(double x) {
	return ((double) cosh(((double) (3.0 * ((double) acosh(x))))));
}
↓
double code(double x) {
	return ((double) cosh(((double) (3.0 * ((double) acosh(x))))));
}

Error

Bits error versus x

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 6.2

    \[\cosh \left(3 \cdot \cosh^{-1} x\right)\]

  2. Final simplification6.2

    \[\leadsto \cosh \left(3 \cdot \cosh^{-1} x\right)\]

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(cosh (* 3 (acosh x)))"
  :precision binary64
  (cosh (* 3.0 (acosh x))))