Starting with polynomial:
P : t
Extension levels are: 1 10 12
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Trying to find an order 10 Kronrod extension for:
P1 : t
Solvable: 1
-------------------------------------------------
Trying to find an order 12 Kronrod extension for:
P2 : t^11 - 55/21*t^9 + 330/133*t^7 - 330/323*t^5 + 55/323*t^3 - 33/4199*t
Solvable: 1
-------------------------------------------------
Ending with final polynomial:
P : t^23 - 3013/525*t^21 + 510163/35625*t^19 - 1412064599/69328125*t^17 + 172465288538/9481640625*t^15 - 119660941144034/11298955078125*t^13 + 7640345597881498/1890402099609375*t^11 - 306400099580342/309338525390625*t^9 + 35679608200027/240596630859375*t^7 - 8055482927839/653047998046875*t^5 + 15773922604559/33305447900390625*t^3 - 298379692913/55509079833984375*t
-------------------------------------------------
Computing nodes and weights
  current precision for roots: 53
  current precision for roots: 106
 current precision for weights: 53
Linear system for weights solvable: 0
  current precision for roots: 106
  current precision for roots: 212
 current precision for weights: 106
Linear system for weights solvable: 1
  current precision for roots: 212
  current precision for roots: 424
 current precision for weights: 212
Linear system for weights solvable: 1
Sufficient bits for target precision reached
-------------------------------------------------
The nodes are:
| (-0.51909612920681181593 + 6.5188001108443244078e-259j)  +/-  (3.14e-123, 3.14e-123j)
| (-0.26954315595234497233 - 9.9127558082844956448e-261j)  +/-  (1.46e-125, 1.46e-125j)
| (-0.94167710857806794646 + 6.6517360072537664441e-256j)  +/-  (3.35e-120, 3.35e-120j)
| (0.63059952016196509217 + 2.7435303479902923308e-257j)  +/-  (2.61e-122, 2.61e-122j)
| (0.88706259976809529908 + 2.6325568486133776134e-254j)  +/-  (1.81e-120, 1.81e-120j)
| (-0.99636961388954263436 + 4.3947192633827777204e-266j)  +/-  (1.65e-120, 1.65e-120j)
| (-0.88706259976809529908 + 4.4850378316874514355e-266j)  +/-  (1.78e-120, 1.78e-120j)
| (-0.9782286581460569928 - 9.0360579150275311098e-266j)  +/-  (3.59e-120, 3.59e-120j)
| (0.81605745665622094239 + 1.2949372171795623291e-264j)  +/-  (5.82e-121, 5.82e-121j)
| (0.26954315595234497233 + 9.7981155674382058435e-274j)  +/-  (1.44e-125, 1.44e-125j)
| (-0.63059952016196509217 + 4.969562254382669955e-277j)  +/-  (2.86e-122, 2.86e-122j)
| (-0.73015200557404932409 - 2.3014100650027210386e-276j)  +/-  (1.58e-121, 1.58e-121j)
| (1.4784050534102219539e-275 + 3.655463520965883626e-275j)  +/-  (9.07e-274, 9.07e-274j)
| (0.94167710857806794646 + 1.0464616213361969126e-278j)  +/-  (3.03e-120, 3.03e-120j)
| (0.51909612920681181593 + 6.4269021179807267386e-290j)  +/-  (3.51e-123, 3.51e-123j)
| (-0.39794414095237757368 - 1.0179747905752329276e-297j)  +/-  (2.48e-124, 2.48e-124j)
| (-0.81605745665622094239 - 2.9031164503110776763e-293j)  +/-  (6.37e-121, 6.37e-121j)
| (0.39794414095237757368 + 1.0983460964354288338e-292j)  +/-  (2.82e-124, 2.82e-124j)
| (0.1361130007993618158 - 4.3673377596924031949e-296j)  +/-  (8.93e-127, 8.93e-127j)
| (0.73015200557404932409 + 1.667641377642357014e-299j)  +/-  (1.63e-121, 1.63e-121j)
| (-0.1361130007993618158 - 7.2779585006072342131e-316j)  +/-  (8.93e-127, 8.93e-127j)
| (0.99636961388954263436 - 2.2358335150153108332e-340j)  +/-  (1.75e-120, 1.75e-120j)
| (0.9782286581460569928 - 8.4956018938410401064e-365j)  +/-  (3.63e-120, 3.63e-120j)
-------------------------------------------------
The weights are:
| (0.11673950246104727081 - 2.3821501234973824121e-255j)  +/-  (1.46e-38, 1.37e-96j)
| (0.13128068422980564426 - 3.1488712689644836618e-255j)  +/-  (9.56e-39, 8.97e-97j)
| (0.045829378564426415985 + 7.7734419000986989718e-256j)  +/-  (2.48e-39, 2.33e-97j)
| (0.10587207448138939648 + 1.1017800769029699417e-254j)  +/-  (2.41e-40, 2.26e-98j)
| (0.063097424750374906585 - 3.5870572512674713631e-255j)  +/-  (9.25e-41, 8.68e-99j)
| (0.0097654410459607580225 + 1.8918929262613931526e-257j)  +/-  (5.77e-40, 5.41e-98j)
| (0.063097424750374906585 - 1.6962657711854649072e-255j)  +/-  (4.93e-40, 4.63e-98j)
| (0.027156554682104262052 + 1.1295597901507785573e-256j)  +/-  (9.1e-40, 8.54e-98j)
| (0.078664571932227329284 + 2.94935368184261726e-254j)  +/-  (8.59e-42, 8.06e-100j)
| (0.13128068422980564426 - 5.7242850191664190933e-255j)  +/-  (1.69e-41, 1.59e-99j)
| (0.10587207448138939648 + 2.079231105160791215e-255j)  +/-  (8.96e-41, 8.41e-99j)
| (0.092953098596900827769 - 1.8262334874269619077e-255j)  +/-  (6.62e-41, 6.21e-99j)
| (0.13657779471111830102 - 4.1764181512818386288e-255j)  +/-  (2.74e-42, 2.57e-100j)
| (0.045829378564426415985 - 2.2287956544982337297e-254j)  +/-  (1.17e-44, 1.09e-102j)
| (0.11673950246104727081 - 8.4377709333425745418e-255j)  +/-  (3.07e-43, 2.88e-101j)
| (0.12515879910031950506 + 2.738398343656147042e-255j)  +/-  (6.68e-42, 6.26e-100j)
| (0.078664571932227329284 + 1.6431164085001255313e-255j)  +/-  (1.62e-41, 1.52e-99j)
| (0.12515879910031950506 + 6.8499045528728793934e-255j)  +/-  (3.1e-43, 2.91e-101j)
| (0.13519357279988453318 + 4.8618093722872214315e-255j)  +/-  (3.43e-43, 3.22e-101j)
| (0.092953098596900827769 - 1.5876383350658338841e-254j)  +/-  (2.9e-44, 2.72e-102j)
| (0.13519357279988453318 + 3.6192153493161408896e-255j)  +/-  (2.6e-43, 2.43e-101j)
| (0.0097654410459607580225 - 2.3709643904508402129e-255j)  +/-  (8.17e-47, 7.68e-105j)
| (0.027156554682104262052 + 8.3021244746873736617e-255j)  +/-  (2.42e-46, 2.27e-104j)
