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*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:
| (-1.7320508075688772935 - 3.042210512962265822e-39j)  +/-  (1.44e-38, 1.44e-38j)
| (3.363654055173458713e-52 - 4.649113003389179817e-52j)  +/-  (1.72e-51, 1.72e-51j)
| (1.7320508075688772935 + 9.2160645636326305332e-69j)  +/-  (2.91e-68, 2.91e-68j)
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The weights are:
| (0.16666666666666666667 - 4.3910526464765788559e-40j)  +/-  (1.34e-31, 8.99e-39j)
| (0.66666666666666666667 + 5.854736861967578845e-40j)  +/-  (1.53e-31, 8.3e-39j)
| (0.16666666666666666667 - 1.463684215490999989e-40j)  +/-  (9.54e-32, 6.23e-39j)
