Starting with polynomial:
P : -t+1
Extension levels are: 1 3 6
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Trying to find an order 3 Kronrod extension for:
P1 : -t+1
Solvable: 1
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Trying to find an order 6 Kronrod extension for:
P2 : -t^4 + 49/4*t^3 - 153/4*t^2 + 57/2*t - 3/2
Solvable: 1
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Ending with final polynomial:
P : -t^10 + 5546727923407/77889109228*t^9 - 78138388609965/38944554614*t^8 + 4522674615071217/155778218456*t^7 - 36570825831063507/155778218456*t^6 + 84395138684499981/77889109228*t^5 - 218170169679852765/77889109228*t^4 + 74293281149825475/19472277307*t^3 - 46965952482547005/19472277307*t^2 + 10625814213249330/19472277307*t - 465664245089130/19472277307
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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
Sufficient bits for target precision reached
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The nodes are:
| (23.513288407059982988 - 4.1968790106406449855e-157j)  +/-  (1.45e-59, 1.45e-59j)
| (11.468500425259103038 + 1.5113336930898856438e-156j)  +/-  (6.13e-59, 6.13e-59j)
| (7.8232631436879996743 + 7.1105518933927752277e-156j)  +/-  (6.12e-59, 6.12e-59j)
| (16.41381927098608968 + 2.3739063444500627523e-159j)  +/-  (4.16e-59, 4.16e-59j)
| (1 - 3.030245326446453288e-162j)  +/-  (2.54e-61, 2.54e-61j)
| (0.056897625001077184683 + 8.2669891052489336775e-176j)  +/-  (9.53e-64, 9.53e-64j)
| (3.369839231310923141 - 1.6657923872247413717e-183j)  +/-  (1.12e-59, 1.12e-59j)
| (5.17831556771752616 - 2.8055159667307558909e-191j)  +/-  (3.25e-59, 3.25e-59j)
| (2.0498895118374241102 - 3.919260529890781116e-200j)  +/-  (2.47e-60, 2.47e-60j)
| (0.33932532114310278211 + 2.4060690135923116516e-211j)  +/-  (2.07e-62, 2.07e-62j)
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The weights are:
| (5.4584303974583502128e-10 - 5.1530301460252134651e-164j)  +/-  (3.01e-29, 1.65e-58j)
| (4.4122094756085629907e-05 - 2.7613901357428550997e-160j)  +/-  (8.13e-27, 4.47e-56j)
| (0.0012472998530357952998 - 6.2859767454212767692e-159j)  +/-  (6.46e-26, 3.55e-55j)
| (4.307670525595583761e-07 + 4.5885718453693338585e-162j)  +/-  (3.54e-28, 1.95e-57j)
| (0.32124239967794740338 - 1.0178844112231452728e-157j)  +/-  (3.22e-23, 1.74e-52j)
| (0.13980497549688965235 - 4.6770347360671440173e-158j)  +/-  (2.27e-23, 1.23e-52j)
| (0.051156789554630247118 - 4.6914291081502290561e-158j)  +/-  (8.26e-25, 4.53e-54j)
| (0.012368906456330430375 + 2.1399095726376439561e-158j)  +/-  (1.64e-25, 9.05e-55j)
| (0.15387068433963154959 + 7.8204602890638076162e-158j)  +/-  (2.28e-24, 1.22e-53j)
| (0.32026439121388323694 + 1.0242695966492539549e-157j)  +/-  (6.28e-24, 3.35e-53j)
