Starting with polynomial:
P : t
Extension levels are: 1 2 14
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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 14 Kronrod extension for:
P2 : t^3 - 3/5*t
Solvable: 1
-------------------------------------------------
Ending with final polynomial:
P : t^17 - 2660449/653790*t^15 + 276913/40774*t^13 - 68094299/11375946*t^11 + 17578561/5884110*t^9 - 366222857/436077930*t^7 + 90173083/726796550*t^5 - 202159529/24856442010*t^3 + 1267981/8285480670*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
  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
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The nodes are:
| (0.94877482450512284824 + 2.4533544710633490569e-268j)  +/-  (1.08e-122, 1.08e-122j)
| (-0.94877482450512284824 - 1.010129737890900377e-279j)  +/-  (1.07e-122, 1.07e-122j)
| (-0.87596047095189233297 - 2.0395195123265889057e-280j)  +/-  (9.62e-123, 9.62e-123j)
| (-0.99019766197072609084 + 1.8981794920472296261e-281j)  +/-  (5.99e-123, 5.99e-123j)
| (0.87596047095189233297 - 1.6977449138528157462e-292j)  +/-  (9.68e-123, 9.68e-123j)
| (0.77459666924148337704 - 1.7148378485738106896e-311j)  +/-  (3.57e-123, 3.57e-123j)
| (-0.17354320230221835952 + 2.5561770758276077204e-318j)  +/-  (8.63e-127, 8.63e-127j)
| (-0.77459666924148337704 + 3.4214045974506323184e-322j)  +/-  (3.75e-123, 3.75e-123j)
| (-0.34279295004606064304 - 2.9890971573395415923e-322j)  +/-  (1.19e-125, 1.19e-125j)
| (0.34279295004606064304 - 8.2989344233560787986e-335j)  +/-  (1.35e-125, 1.35e-125j)
| (0.99019766197072609084 + 1.6369461049911042173e-352j)  +/-  (5.15e-123, 5.15e-123j)
| (0.17354320230221835952 - 6.919346467368509652e-362j)  +/-  (9.15e-127, 9.15e-127j)
| (-0.5029301319296336391 - 3.1431937758001642766e-365j)  +/-  (1.2e-124, 1.2e-124j)
| (-0.64864218740590021505 + 6.6020915960419309563e-364j)  +/-  (9.21e-124, 9.21e-124j)
| (1.1874903004961325479e-363 + 8.3301558393012283207e-364j)  +/-  (2.47e-362, 2.47e-362j)
| (0.64864218740590021505 + 9.1680091030790171546e-368j)  +/-  (8.86e-124, 8.86e-124j)
| (0.5029301319296336391 - 2.0275489506761191279e-377j)  +/-  (1.14e-124, 1.14e-124j)
-------------------------------------------------
The weights are:
| (0.057489192149205511287 - 1.417974132554066897e-268j)  +/-  (3.55e-46, 4.85e-106j)
| (0.057489192149205511287 - 7.4328156148566251684e-270j)  +/-  (1.63e-46, 2.22e-106j)
| (0.087662443743492699411 + 1.5167452823012721182e-269j)  +/-  (1.04e-46, 1.42e-106j)
| (0.025107582311899442054 + 2.0773227429642770469e-270j)  +/-  (5.15e-47, 7.03e-107j)
| (0.087662443743492699411 + 3.8009794985454771407e-268j)  +/-  (1.53e-47, 2.08e-107j)
| (0.11440158760676199048 - 2.5155998307762403279e-268j)  +/-  (1.04e-47, 1.42e-107j)
| (0.17214594288631037074 - 9.6223730402069657615e-269j)  +/-  (2.78e-48, 3.79e-108j)
| (0.11440158760676199048 - 2.5424729346477646763e-269j)  +/-  (4.87e-48, 6.64e-108j)
| (0.16554924435369734162 + 7.450880209877603736e-269j)  +/-  (2.4e-48, 3.28e-108j)
| (0.16554924435369734162 + 1.5880535667265309371e-268j)  +/-  (2.59e-49, 3.53e-109j)
| (0.025107582311899442054 - 9.7237946293933989143e-269j)  +/-  (6.35e-50, 8.66e-110j)
| (0.17214594288631037074 - 1.3930498207713859273e-268j)  +/-  (2.74e-49, 3.74e-109j)
| (0.15383063138937074751 - 5.4982841345757164783e-269j)  +/-  (2.51e-49, 3.42e-109j)
| (0.13669568707981366695 + 3.8586803025782729871e-269j)  +/-  (2.19e-49, 2.98e-109j)
| (0.17423537695889645989 + 1.1837590561562339778e-268j)  +/-  (9.82e-50, 1.34e-109j)
| (0.13669568707981366695 + 2.0537325158411052553e-268j)  +/-  (4.45e-51, 6.19e-111j)
| (0.15383063138937074751 - 1.7902840300420609787e-268j)  +/-  (6.46e-51, 8.67e-111j)
