Average Error: 12.1 → 12.1
Time: 456.0ms
Precision: binary64
\[\left\lceilx + 1\right\rceil\]
↓
\[\left\lceilx + 1\right\rceil\]
\left\lceilx + 1\right\rceil
↓
\left\lceilx + 1\right\rceil
double code(double x) {
	return ((double) ceil(((double) (x + 1.0))));
}
↓
double code(double x) {
	return ((double) ceil(((double) (x + 1.0))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 12.1

    \[\left\lceilx + 1\right\rceil\]

  2. Final simplification12.1

    \[\leadsto \left\lceilx + 1\right\rceil\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(ceil (+ x 1))"
  :precision binary64
  (ceil (+ x 1.0)))