0.002 * [progress]: [Phase 1 of 3] Setting up. 0.002 * * * [progress]: [1/2] Preparing points 0.003 * * * * [points]: Sampling 256 additional inputs, on iter 0 have 0 / 256 0.003 * * * * [points]: Computing exacts on every 16 of 256 points to ramp up precision 0.005 * * * * [points]: Setting MPFR precision to 64 0.007 * * * * [points]: Setting MPFR precision to 320 0.008 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision 0.010 * * * * [points]: Setting MPFR precision to 64 0.013 * * * * [points]: Setting MPFR precision to 320 0.015 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision 0.017 * * * * [points]: Setting MPFR precision to 64 0.021 * * * * [points]: Setting MPFR precision to 320 0.024 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision 0.027 * * * * [points]: Setting MPFR precision to 64 0.033 * * * * [points]: Setting MPFR precision to 320 0.045 * * * * [points]: Computing exacts for 256 points 0.048 * * * * [points]: Setting MPFR precision to 64 0.066 * * * * [points]: Setting MPFR precision to 320 0.087 * * * * [points]: Filtering points with unrepresentable outputs 0.088 * * * * [points]: Sampled 256 points with exact outputs 0.088 * * * [progress]: [2/2] Setting up program. 0.103 * [progress]: [Phase 2 of 3] Improving. 0.103 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #posit16 1))) (sqrt.p16 x)))> 0.103 * [simplify]: Simplifying (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)) 0.103 * * [simplify]: iteration 1: (7 enodes) 0.107 * * [simplify]: iteration 2: (20 enodes) 0.114 * * [simplify]: iteration 3: (32 enodes) 0.125 * * [simplify]: iteration 4: (92 enodes) 0.160 * * [simplify]: iteration 5: (324 enodes) 0.416 * * [simplify]: Extracting #0: cost 1 inf + 0 0.417 * * [simplify]: Extracting #1: cost 37 inf + 0 0.417 * * [simplify]: Extracting #2: cost 226 inf + 0 0.419 * * [simplify]: Extracting #3: cost 417 inf + 3949 0.424 * * [simplify]: Extracting #4: cost 304 inf + 94929 0.443 * * [simplify]: Extracting #5: cost 31 inf + 349881 0.470 * * [simplify]: Extracting #6: cost 2 inf + 380659 0.494 * * [simplify]: Extracting #7: cost 0 inf + 383743 0.520 * [simplify]: Simplified to (-.p16 (sqrt.p16 (+.p16 (real->posit16 1) x)) (sqrt.p16 x)) 0.520 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #posit16 1))) (sqrt.p16 x)))> 0.520 * [simplify]: Simplified (2) to (λ (x) (-.p16 (sqrt.p16 (+.p16 (real->posit16 1) x)) (sqrt.p16 x))) 0.529 * * [progress]: iteration 1 / 4 0.529 * * * [progress]: picking best candidate 0.538 * * * * [pick]: Picked #posit16 1))) (sqrt.p16 x)))> 0.538 * * * [progress]: localizing error 0.645 * * * [progress]: generating rewritten candidates 0.645 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 0.648 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 0.649 * * * [progress]: generating series expansions 0.649 * * * * [progress]: [ 1 / 2 ] generating series at (2) 0.649 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 0.649 * * * [progress]: simplifying candidates 0.649 * * * * [progress]: [ 1 / 4 ] simplifiying candidate #posit16 1))) (neg.p16 (sqrt.p16 x))))> 0.649 * * * * [progress]: [ 2 / 4 ] simplifiying candidate #posit16 1))) (sqrt.p16 (+.p16 x (real->posit16 1)))) (*.p16 (sqrt.p16 x) (sqrt.p16 x))) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))> 0.649 * * * * [progress]: [ 3 / 4 ] simplifiying candidate #posit16 1))) (sqrt.p16 x)))> 0.649 * * * * [progress]: [ 4 / 4 ] simplifiying candidate #posit16 1))) (sqrt.p16 x)))> 0.649 * [simplify]: Simplifying (neg.p16 (sqrt.p16 x)), (-.p16 (*.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 (+.p16 x (real->posit16 1)))) (*.p16 (sqrt.p16 x) (sqrt.p16 x))), (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)), (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)), (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)) 0.649 * * [simplify]: iteration 1: (12 enodes) 0.655 * * [simplify]: iteration 2: (29 enodes) 0.666 * * [simplify]: iteration 3: (85 enodes) 0.708 * * [simplify]: iteration 4: (317 enodes) 0.860 * * [simplify]: Extracting #0: cost 4 inf + 0 0.860 * * [simplify]: Extracting #1: cost 91 inf + 0 0.862 * * [simplify]: Extracting #2: cost 326 inf + 44 0.866 * * [simplify]: Extracting #3: cost 447 inf + 9834 0.886 * * [simplify]: Extracting #4: cost 218 inf + 192899 0.918 * * [simplify]: Extracting #5: cost 8 inf + 412318 0.971 * * [simplify]: Extracting #6: cost 0 inf + 420934 1.020 * [simplify]: Simplified to (neg.p16 (sqrt.p16 x)), (real->posit16 1), (+.p16 (sqrt.p16 x) (sqrt.p16 (+.p16 x (real->posit16 1)))), (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)), (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)) 1.020 * * * * [progress]: [ 1 / 4 ] simplifiying candidate #posit16 1))) (neg.p16 (sqrt.p16 x))))> 1.020 * [simplify]: Simplified (2 2) to (λ (x) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (neg.p16 (sqrt.p16 x)))) 1.020 * * * * [progress]: [ 2 / 4 ] simplifiying candidate #posit16 1))) (sqrt.p16 (+.p16 x (real->posit16 1)))) (*.p16 (sqrt.p16 x) (sqrt.p16 x))) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))> 1.020 * [simplify]: Simplified (2 1) to (λ (x) (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x)))) 1.020 * [simplify]: Simplified (2 2) to (λ (x) (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 x) (sqrt.p16 (+.p16 x (real->posit16 1)))))) 1.020 * * * * [progress]: [ 3 / 4 ] simplifiying candidate #posit16 1))) (sqrt.p16 x)))> 1.020 * [simplify]: Simplified (2) to (λ (x) (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))) 1.020 * * * * [progress]: [ 4 / 4 ] simplifiying candidate #posit16 1))) (sqrt.p16 x)))> 1.021 * [simplify]: Simplified (2) to (λ (x) (-.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))) 1.021 * * * [progress]: adding candidates to table 1.129 * * [progress]: iteration 2 / 4 1.129 * * * [progress]: picking best candidate 1.141 * * * * [pick]: Picked #posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))> 1.141 * * * [progress]: localizing error 1.257 * * * [progress]: generating rewritten candidates 1.257 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2) 1.260 * * * * [progress]: [ 2 / 3 ] rewriting at (2) 1.262 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 1) 1.262 * * * [progress]: generating series expansions 1.262 * * * * [progress]: [ 1 / 3 ] generating series at (2 2) 1.262 * * * * [progress]: [ 2 / 3 ] generating series at (2) 1.262 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 1) 1.262 * * * [progress]: simplifying candidates 1.262 * * * * [progress]: [ 1 / 4 ] simplifiying candidate #posit16 1) (+.p16 (sqrt.p16 x) (sqrt.p16 (+.p16 x (real->posit16 1))))))> 1.262 * * * * [progress]: [ 2 / 4 ] simplifiying candidate #posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))> 1.262 * * * * [progress]: [ 3 / 4 ] simplifiying candidate #posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))> 1.262 * * * * [progress]: [ 4 / 4 ] simplifiying candidate #posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))> 1.262 * [simplify]: Simplifying (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))), (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))), (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))) 1.263 * * [simplify]: iteration 1: (8 enodes) 1.265 * * [simplify]: iteration 2: (15 enodes) 1.270 * * [simplify]: iteration 3: (17 enodes) 1.275 * * [simplify]: Extracting #0: cost 1 inf + 0 1.275 * * [simplify]: Extracting #1: cost 3 inf + 0 1.275 * * [simplify]: Extracting #2: cost 6 inf + 0 1.275 * * [simplify]: Extracting #3: cost 7 inf + 1 1.275 * * [simplify]: Extracting #4: cost 0 inf + 932 1.276 * [simplify]: Simplified to (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 (real->posit16 1) x)) (sqrt.p16 x))), (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 (real->posit16 1) x)) (sqrt.p16 x))), (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 (real->posit16 1) x)) (sqrt.p16 x))) 1.276 * * * * [progress]: [ 1 / 4 ] simplifiying candidate #posit16 1) (+.p16 (sqrt.p16 x) (sqrt.p16 (+.p16 x (real->posit16 1))))))> 1.276 * * * * [progress]: [ 2 / 4 ] simplifiying candidate #posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))> 1.276 * [simplify]: Simplified (2) to (λ (x) (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 (real->posit16 1) x)) (sqrt.p16 x)))) 1.276 * * * * [progress]: [ 3 / 4 ] simplifiying candidate #posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))> 1.276 * [simplify]: Simplified (2) to (λ (x) (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 (real->posit16 1) x)) (sqrt.p16 x)))) 1.276 * * * * [progress]: [ 4 / 4 ] simplifiying candidate #posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))> 1.276 * [simplify]: Simplified (2) to (λ (x) (/.p16 (real->posit16 1) (+.p16 (sqrt.p16 (+.p16 (real->posit16 1) x)) (sqrt.p16 x)))) 1.276 * * * [progress]: adding candidates to table 1.348 * [progress]: [Phase 3 of 3] Extracting. 1.349 * * [regime]: Finding splitpoints for: (#posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))> #posit16 1))) (sqrt.p16 x)))>) 1.349 * * * [regime-changes]: Trying 1 branch expressions: (x) 1.349 * * * * [regimes]: Trying to branch on x from (#posit16 1) (+.p16 (sqrt.p16 (+.p16 x (real->posit16 1))) (sqrt.p16 x))))> #posit16 1))) (sqrt.p16 x)))>) 1.390 * * * [regime]: Found split indices: #