Starting with polynomial:
P : t
Extension levels are: 1 2 8
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Trying to find an order 2 Kronrod extension for:
P1 : t
Solvable: 1
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Trying to find an order 8 Kronrod extension for:
P2 : t^3 - 3/5*t
Solvable: 1
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Ending with final polynomial:
P : t^11 - 10483/3705*t^9 + 3234/1105*t^7 - 139986/104975*t^5 + 68299/272935*t^3 - 3633/272935*t
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Computing nodes and weights
  current precision for roots: 53
  current precision for roots: 106
 current precision for weights: 53
Linear system for weights solvable: 1
  current precision for roots: 106
  current precision for roots: 212
 current precision for weights: 106
Linear system for weights solvable: 1
Sufficient bits for target precision reached
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The nodes are:
| (0.99079325588510780584 - 7.6486714468597396315e-184j)  +/-  (5.46e-61, 5.46e-61j)
| (-0.2919991541426287378 + 1.8960799109553140613e-186j)  +/-  (6.28e-63, 6.28e-63j)
| (-0.99079325588510780584 - 4.0219876899052116452e-187j)  +/-  (6.17e-61, 6.17e-61j)
| (-0.55806685067819680295 - 4.7693771434422850145e-190j)  +/-  (7.05e-62, 7.05e-62j)
| (0.77459666924148337704 - 1.2119828976276865449e-188j)  +/-  (4.38e-61, 4.38e-61j)
| (0.55806685067819680295 - 3.9452568282151254716e-192j)  +/-  (7.62e-62, 7.62e-62j)
| (-8.0266455652163197257e-197 - 5.3510970434775464838e-197j)  +/-  (1.06e-195, 1.06e-195j)
| (-0.9225217132136291628 + 9.9002154010261918817e-201j)  +/-  (8.58e-61, 8.58e-61j)
| (-0.77459666924148337704 - 2.1684325678054166737e-211j)  +/-  (3.84e-61, 3.84e-61j)
| (0.2919991541426287378 + 3.0821377398507802009e-216j)  +/-  (6.07e-63, 6.07e-63j)
| (0.9225217132136291628 + 1.1331388749451397798e-215j)  +/-  (8.99e-61, 8.99e-61j)
-------------------------------------------------
The weights are:
| (0.02983816535825558451 + 6.1726962098614460273e-184j)  +/-  (7.65e-22, 1.13e-51j)
| (0.28323745421592778419 + 7.6705722842477309023e-185j)  +/-  (4e-22, 5.91e-52j)
| (0.02983816535825558451 + 1.1014819024089228297e-185j)  +/-  (6.86e-23, 1.01e-52j)
| (0.24492708007832102816 - 5.6958663751368597856e-185j)  +/-  (2.04e-22, 3.02e-52j)
| (0.18491687080564619256 + 3.6387870503208592342e-184j)  +/-  (2.89e-23, 4.26e-53j)
| (0.24492708007832102816 - 2.1152593448266941162e-184j)  +/-  (2.6e-23, 3.84e-53j)
| (0.29639979944411543641 - 1.0360158747567294384e-184j)  +/-  (2.44e-23, 3.6e-53j)
| (0.10888052981979169237 - 2.9462900091390506087e-185j)  +/-  (4.42e-24, 6.53e-54j)
| (0.18491687080564619256 + 4.3437492452666036926e-185j)  +/-  (5.13e-24, 7.57e-54j)
| (0.28323745421592778419 + 1.4181980135340514706e-184j)  +/-  (2.25e-24, 3.42e-54j)
| (0.10888052981979169237 - 8.5257707588976678806e-184j)  +/-  (1.3e-24, 1.75e-54j)
