


Bits error versus x



Bits error versus y



Bits error versus z



Bits error versus t



Bits error versus a



Bits error versus b



Bits error versus c



Bits error versus i



Bits error versus j
Results
if j < -1.0880600982445826e-210Initial program 9.9
Initial simplification9.9
rmApplied add-cube-cbrt10.2
rmApplied add-cube-cbrt10.2
Applied associate-*l*10.2
if -1.0880600982445826e-210 < j < 2.510928678763787e-154Initial program 16.8
Initial simplification16.8
Taylor expanded around 0 18.0
if 2.510928678763787e-154 < j Initial program 9.2
Initial simplification9.2
rmApplied add-cube-cbrt9.4
Applied associate-*l*9.4
rmApplied add-cube-cbrt9.4
Applied cbrt-prod9.5
Final simplification12.1
herbie shell --seed 2018365
(FPCore (x y z t a b c i j)
:name "Linear.Matrix:det33 from linear-1.19.1.3"
(+ (- (* x (- (* y z) (* t a))) (* b (- (* c z) (* i a)))) (* j (- (* c t) (* i y)))))
Time bar (total: 24.5s)Debug log
1 alts after pruning (1 fresh and 0 done)
Merged error: 13.8b
Found 4 expressions with local error:
| 6.9b | (* (- (* t c) (* y i)) j) |
| 6.7b | (* (- (* z c) (* i a)) b) |
| 4.9b | (* (- (* z y) (* t a)) x) |
| 0.3b | (- (* t c) (* y i)) |
4 calls. Slowest were:
| 8.0ms | (* (- (* t c) (* y i)) j) |
| 4.0ms | (* (- (* z c) (* i a)) b) |
| 4.0ms | (* (- (* z y) (* t a)) x) |
4 calls. Slowest were:
| 64.0ms | (* (- (* z c) (* i a)) b) |
| 51.0ms | (* (- (* t c) (* y i)) j) |
| 49.0ms | (* (- (* z y) (* t a)) x) |
| 27.0ms | (- (* t c) (* y i)) |
25 calls. Slowest were:
| 581.0ms | (* (- (pow (* z y) 3) (pow (* t a) 3)) x) |
| 220.0ms | (* (- (pow (* t c) 3) (pow (* y i) 3)) j) |
| 202.0ms | (* (- (pow (* z c) 3) (pow (* i a) 3)) b) |
16 alts after pruning (16 fresh and 0 done)
Merged error: 9.2b
Found 4 expressions with local error:
| 8.5b | (cbrt (- (* z c) (* i a))) |
| 8.5b | (cbrt (- (* z c) (* i a))) |
| 8.5b | (cbrt (- (* z c) (* i a))) |
| 6.9b | (* (- (* t c) (* y i)) j) |
4 calls. Slowest were:
| 4.0ms | (* (- (* t c) (* y i)) j) |
| 1.0ms | (cbrt (- (* z c) (* i a))) |
| 1.0ms | (cbrt (- (* z c) (* i a))) |
4 calls. Slowest were:
| 143.0ms | (cbrt (- (* z c) (* i a))) |
| 131.0ms | (cbrt (- (* z c) (* i a))) |
| 115.0ms | (cbrt (- (* z c) (* i a))) |
| 45.0ms | (* (- (* t c) (* y i)) j) |
31 calls. Slowest were:
| 389.0ms | (cbrt (- (pow (* z c) 3) (pow (* i a) 3))) |
| 361.0ms | (cbrt (- (pow (* z c) 3) (pow (* i a) 3))) |
| 341.0ms | (exp (* -1/3 (+ (log (/ 1 z)) (log (/ 1 c))))) |
18 alts after pruning (18 fresh and 0 done)
Merged error: 9.1b
Found 4 expressions with local error:
| 8.5b | (cbrt (- (* z c) (* i a))) |
| 8.5b | (cbrt (- (* z c) (* i a))) |
| 8.5b | (cbrt (- (* z c) (* i a))) |
| 8.5b | (cbrt (- (* z c) (* i a))) |
4 calls. Slowest were:
| 7.0ms | (cbrt (- (* z c) (* i a))) |
| 2.0ms | (cbrt (- (* z c) (* i a))) |
| 2.0ms | (cbrt (- (* z c) (* i a))) |
4 calls. Slowest were:
| 165.0ms | (cbrt (- (* z c) (* i a))) |
| 163.0ms | (cbrt (- (* z c) (* i a))) |
| 150.0ms | (cbrt (- (* z c) (* i a))) |
| 149.0ms | (cbrt (- (* z c) (* i a))) |
32 calls. Slowest were:
| 411.0ms | (cbrt (- (pow (* z c) 3) (pow (* i a) 3))) |
| 396.0ms | (cbrt (- (pow (* z c) 3) (pow (* i a) 3))) |
| 384.0ms | (exp (* -1/3 (+ (log (/ 1 z)) (log (/ 1 c))))) |
18 alts after pruning (17 fresh and 1 done)
Merged error: 9.1b
Found 4 expressions with local error:
| 6.9b | (* (- (* t c) (* y i)) j) |
| 6.9b | (* (- (* t c) (* y i)) j) |
| 6.9b | (* (- (* t c) (* y i)) j) |
| 6.7b | (* (- (* z c) (* i a)) b) |
4 calls. Slowest were:
| 9.0ms | (* (- (* t c) (* y i)) j) |
| 9.0ms | (* (- (* z c) (* i a)) b) |
| 8.0ms | (* (- (* t c) (* y i)) j) |
4 calls. Slowest were:
| 74.0ms | (* (- (* t c) (* y i)) j) |
| 67.0ms | (* (- (* t c) (* y i)) j) |
| 45.0ms | (* (- (* z c) (* i a)) b) |
| 44.0ms | (* (- (* t c) (* y i)) j) |
28 calls. Slowest were:
| 241.0ms | (* (- (pow (* t c) 3) (pow (* y i) 3)) j) |
| 222.0ms | (* (- (pow (* t c) 3) (pow (* y i) 3)) j) |
| 220.0ms | (* (- (pow (* t c) 3) (pow (* y i) 3)) j) |
20 alts after pruning (19 fresh and 1 done)
Merged error: 9.1b
-8.2% (3.7b remaining)
Error of 12.1b against oracle of 8.4b and baseline of 11.8b