Starting with polynomial:
P : t
Extension levels are: 1 2
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Trying to find an order 2 Kronrod extension for:
P1 : t
Solvable: 1
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Ending with final polynomial:
P : t^3 - 3/5*t
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Computing nodes and weights
  current precision for roots: 53
  current precision for roots: 106
  current precision for roots: 212
 current precision for weights: 53
Linear system for weights solvable: 1
  current precision for roots: 106
  current precision for roots: 212
  current precision for roots: 424
 current precision for weights: 106
Linear system for weights solvable: 1
Sufficient bits for target precision reached
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The nodes are:
| (0.77459666924148337704 - 2.1683782415508138716e-151j)  +/-  (8.94e-128, 8.94e-128j)
| (3.1931748581308619604e-200 + 3.2668034258561710824e-200j)  +/-  (1.37e-199, 1.37e-199j)
| (-0.77459666924148337704 + 7.4984840694781547741e-242j)  +/-  (1.34e-127, 1.34e-127j)
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The weights are:
| (0.55555555555555555556 + 2.332803560501340444e-151j)  +/-  (2.55e-30, 3.87e-126j)
| (0.88888888888888888889 - 3.1104047473351205919e-151j)  +/-  (1.75e-30, 2.74e-126j)
| (0.55555555555555555556 + 7.7760118683378014798e-152j)  +/-  (7.69e-31, 1.13e-126j)
