Starting with polynomial:
P : 3/2*t^2 - 1/2
Extension levels are: 2 10
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Trying to find an order 10 Kronrod extension for:
P1 : 3/2*t^2 - 1/2
Solvable: 1
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Ending with final polynomial:
P : 3/2*t^12 - 3091/728*t^10 + 61875/13832*t^8 - 36135/16796*t^6 + 7755/16796*t^4 - 15543/436696*t^2 + 189/436696
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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:
| (0.98075725178499407913 + 2.4030445932245454427e-165j)  +/-  (7.48e-61, 7.48e-61j)
| (-0.98075725178499407913 - 2.2113627695682838733e-164j)  +/-  (7.87e-61, 7.87e-61j)
| (-0.90030150467747382532 + 2.3551492114621535331e-172j)  +/-  (1.31e-60, 1.31e-60j)
| (-0.12172613438315505292 - 2.8919038381234609413e-180j)  +/-  (1.39e-63, 1.39e-63j)
| (0.7622702556366203736 + 2.9747448334863725828e-181j)  +/-  (6.76e-61, 6.76e-61j)
| (0.57735026918962576451 + 1.8845885175555848852e-185j)  +/-  (1.79e-61, 1.79e-61j)
| (-0.35909882564439703209 - 1.5628295023631679536e-185j)  +/-  (1.81e-62, 1.81e-62j)
| (-0.7622702556366203736 + 1.2568711530953786391e-188j)  +/-  (7.37e-61, 7.37e-61j)
| (-0.57735026918962576451 + 1.5342665443058821278e-191j)  +/-  (1.67e-61, 1.67e-61j)
| (0.35909882564439703209 + 2.8895924034778751012e-195j)  +/-  (1.8e-62, 1.8e-62j)
| (0.90030150467747382532 - 2.4559168359504406407e-201j)  +/-  (1.33e-60, 1.33e-60j)
| (0.12172613438315505292 - 2.3573535422059981812e-209j)  +/-  (1.39e-63, 1.39e-63j)
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The weights are:
| (0.049188622278512867876 - 2.5385872975726280682e-165j)  +/-  (1.13e-21, 1.74e-50j)
| (0.049188622278512867876 - 2.8403743811634663074e-164j)  +/-  (4.91e-22, 7.54e-51j)
| (0.110692473000830418 + 4.6604253558985266865e-164j)  +/-  (4.03e-22, 6.19e-51j)
| (0.24245891101813994007 + 1.7202771614514507723e-164j)  +/-  (7.76e-23, 1.19e-51j)
| (0.16356174190948688662 + 5.5094230828271130481e-166j)  +/-  (4.5e-23, 6.91e-52j)
| (0.20397964594963303606 - 4.0655806858380503961e-165j)  +/-  (5.06e-23, 7.78e-52j)
| (0.23011860584339685137 - 2.1659192003979573325e-164j)  +/-  (3.25e-23, 4.99e-52j)
| (0.16356174190948688662 - 3.2578051174446311939e-164j)  +/-  (1.32e-23, 2.03e-52j)
| (0.20397964594963303606 + 2.6299176505500525785e-164j)  +/-  (1.18e-23, 1.82e-52j)
| (0.23011860584339685137 + 8.1042500818538172052e-165j)  +/-  (2.9e-24, 4.47e-53j)
| (0.110692473000830418 + 3.0853986291792022132e-165j)  +/-  (7.95e-25, 1.22e-53j)
| (0.24245891101813994007 - 1.2601637724844804294e-164j)  +/-  (2.8e-24, 4.27e-53j)
