Average Error: 0.0 → 0.0
Time: 748.0ms
Precision: binary64
\[1 - 2 \cdot \frac{v}{1 + {v}^{2}}\]
↓
\[1 - 2 \cdot \frac{v}{1 + {v}^{2}}\]
1 - 2 \cdot \frac{v}{1 + {v}^{2}}
↓
1 - 2 \cdot \frac{v}{1 + {v}^{2}}
double code(double v) {
	return ((double) (1.0 - ((double) (2.0 * ((double) (v / ((double) (1.0 + ((double) pow(v, 2.0))))))))));
}
↓
double code(double v) {
	return ((double) (1.0 - ((double) (2.0 * ((double) (v / ((double) (1.0 + ((double) pow(v, 2.0))))))))));
}

Error

Bits error versus v

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[1 - 2 \cdot \frac{v}{1 + {v}^{2}}\]

  2. Final simplification0.0

    \[\leadsto 1 - 2 \cdot \frac{v}{1 + {v}^{2}}\]

Reproduce

herbie shell --seed 2020152 
(FPCore (v)
  :name "(- 1 (* 2 (/ v (+ 1 (pow v 2)))))"
  :precision binary64
  (- 1.0 (* 2.0 (/ v (+ 1.0 (pow v 2.0))))))