Starting with polynomial:
P : 16*t^4 - 48*t^2 + 12
Extension levels are: 4 10
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Trying to find an order 10 Kronrod extension for:
P1 : 16*t^4 - 48*t^2 + 12
Solvable: 1
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Ending with final polynomial:
P : 16*t^14 - 3816/7*t^12 + 44964/7*t^10 - 225630/7*t^8 + 68715*t^6 - 108945/2*t^4 + 46845/4*t^2 - 2835/8
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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:
| (2.3166778458612639611 + 3.783507823781784385e-135j)  +/-  (5.63e-61, 5.63e-61j)
| (-3.911506869286660161 - 3.3320665493532760209e-136j)  +/-  (3.28e-61, 3.28e-61j)
| (3.0486879132310133212 + 7.7389932759172862421e-136j)  +/-  (6.63e-61, 6.63e-61j)
| (-3.0486879132310133212 - 4.3531837177034735112e-136j)  +/-  (7.24e-61, 7.24e-61j)
| (1.0363502036603261655 + 0j)  +/-  (4.69e-62, 4.69e-62j)
| (-2.3166778458612639611 + 1.0076814161350633128e-138j)  +/-  (5.44e-61, 5.44e-61j)
| (1.6506801238857845559 + 6.7178761075670887518e-139j)  +/-  (2.44e-61, 2.44e-61j)
| (-1.0363502036603261655 - 5.0384070806753165638e-138j)  +/-  (4.17e-62, 4.17e-62j)
| (-1.6506801238857845559 + 0j)  +/-  (1.96e-61, 1.96e-61j)
| (0.18980675578014987883 + 1.7900017754880496184e-153j)  +/-  (1.24e-63, 1.24e-63j)
| (0.52464762327529031788 + 1.7789968292589657589e-172j)  +/-  (9.18e-63, 9.18e-63j)
| (3.911506869286660161 - 3.6148797976543261766e-180j)  +/-  (3.21e-61, 3.21e-61j)
| (-0.18980675578014987883 + 1.8386229439566681806e-186j)  +/-  (1.24e-63, 1.24e-63j)
| (-0.52464762327529031788 - 1.7123510539128148748e-195j)  +/-  (9.18e-63, 9.18e-63j)
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The weights are:
| (0.0018270730983303622864 - 2.1530973108501452467e-137j)  +/-  (1.1e-23, 8.13e-54j)
| (1.2584403798728312393e-07 + 2.207998401488544469e-141j)  +/-  (4.33e-27, 3.19e-57j)
| (4.0420466778370906088e-05 - 9.2369113913990841916e-139j)  +/-  (1.15e-25, 8.44e-56j)
| (4.0420466778370906088e-05 - 1.695558427331741138e-139j)  +/-  (6.44e-26, 4.74e-56j)
| (0.11221157312922910174 - 2.0536473093343729882e-136j)  +/-  (1.39e-22, 1.02e-52j)
| (0.0018270730983303622864 + 1.7116831629242723576e-138j)  +/-  (5.38e-25, 3.97e-55j)
| (0.023702345206339695116 + 7.2089046186436691224e-137j)  +/-  (6.13e-24, 4.52e-54j)
| (0.11221157312922910174 + 7.9226234382139238504e-137j)  +/-  (2.22e-23, 1.64e-53j)
| (0.023702345206339695116 - 1.3004721782271854594e-137j)  +/-  (3.38e-24, 2.48e-54j)
| (0.18804827085945109816 - 9.2391266770896866371e-136j)  +/-  (3.55e-23, 2.63e-53j)
| (0.17417019139583338451 + 6.1693546032319077783e-136j)  +/-  (2.44e-23, 1.8e-53j)
| (1.2584403798728312393e-07 + 1.1296501411368672337e-140j)  +/-  (1.12e-28, 8.36e-59j)
| (0.18804827085945109816 + 7.8572933845461106716e-136j)  +/-  (1.26e-23, 9.65e-54j)
| (0.17417019139583338451 - 3.9079892649406255218e-136j)  +/-  (4.66e-24, 3.13e-54j)
