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 - 3/4*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
Positive weights:   3 out of 3
Indefinite weights: 0 out of 3
Negative weights:   0 out of 3
Extension rule has valid weights: 1
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The nodes are:
| (0.86602540378443864676 + 7.5961064351133620488e-141j)  +/-  (4e-128, 4e-128j)
| (-1.7986349521203652846e-186 - 2.3933858096715933679e-186j)  +/-  (8.98e-186, 8.98e-186j)
| (-0.86602540378443864676 + 0j)  +/-  (4e-128, 4e-128j)
-------------------------------------------------
The weights are:
| (0.33333333333333333333 - 4.3856140951057481144e-141j)  +/-  (1.22e-30, 7.85e-127j)
| (0.33333333333333333333 + 5.8474854601409974859e-141j)  +/-  (8.46e-31, 5.54e-127j)
| (0.33333333333333333333 - 1.4618713650352493715e-141j)  +/-  (3.78e-31, 2.31e-127j)
