Details

Algorithm

intervals

Results

7.0ms

256×

body

valid

Counts

1 → 1

Iterations

Useful iterations: 1 (2.0ms)

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.6b

Local error

Found 2 expressions with local error:

3.3b	(- (* x x) (* (* y 4.0) y))
29.0b	(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

Algorithm

rewrite-expression-head

Rules

10×	`add-sqr-sqrt` `add-cube-cbrt` `*-un-lft-identity`
9×	`times-frac`
4×	`add-exp-log` `add-cbrt-cube` `add-log-exp`
3×	`associate-/r` `associate-/l`
2×	`pow1` `expm1-log1p-u` `flip3--` `flip--` `log1p-expm1-u` `associate-/l/`
1×	`cbrt-undiv` `sub-neg` `frac-2neg` `fma-neg` `diff-log` `div-sub` `div-exp` `prod-diff` `clear-num` `div-inv`

Counts

2 → 48

Calls

2 calls:

3.0ms	(- (* x x) (* (* y 4.0) y))
8.0ms	(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

Counts

2 → 6

Calls

2 calls:

50.0ms	(- (* x x) (* (* y 4.0) y))
78.0ms	(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

Iterations

Useful iterations: 2 (77.0ms)