Starting with polynomial:
P : 4*t^2 - 1
Extension levels are: 2 24
-------------------------------------------------
Trying to find an order 24 Kronrod extension for:
P1 : 4*t^2 - 1
Solvable: 1
-------------------------------------------------
Ending with final polynomial:
P : 4*t^26 - 25*t^24 + 69*t^22 - 1771/16*t^20 + 7315/64*t^18 - 20349/256*t^16 + 4845/128*t^14 - 12597/1024*t^12 + 21879/8192*t^10 - 12155/32768*t^8 + 1001/32768*t^6 - 1365/1048576*t^4 + 91/4194304*t^2 - 1/16777216
-------------------------------------------------
Computing nodes and weights
  current precision for roots: 53
  current precision for roots: 106
 current precision for weights: 53
Linear system for weights solvable: 0
  current precision for roots: 106
  current precision for roots: 212
 current precision for weights: 106
Linear system for weights solvable: 1
  current precision for roots: 212
  current precision for roots: 424
 current precision for weights: 212
Linear system for weights solvable: 1
Sufficient bits for target precision reached
-------------------------------------------------
The nodes are:
| (-0.99323835774194298855 - 3.7668307852467883452e-464j)  +/-  (3.07e-120, 3.07e-120j)
| (-0.59715859170278616485 - 3.7913276575077556154e-467j)  +/-  (4.42e-122, 4.42e-122j)
| (-0.89363264032341224819 + 1.3073808961589774247e-464j)  +/-  (7.22e-120, 7.22e-120j)
| (0.99323835774194298855 + 8.6588617984425555835e-463j)  +/-  (3.08e-120, 3.08e-120j)
| (0.83548781141293641965 + 3.8500784181303713993e-468j)  +/-  (3.12e-120, 3.12e-120j)
| (0.7660444431189780352 + 7.9361790014671326309e-474j)  +/-  (1.3e-120, 1.3e-120j)
| (0.2868032327110902531 + 4.1362729689016179331e-481j)  +/-  (3.39e-125, 3.39e-125j)
| (-0.83548781141293641965 + 1.1225510246945510976e-479j)  +/-  (3.61e-120, 3.61e-120j)
| (-0.97304487057982383883 + 4.2849468583207977808e-479j)  +/-  (9.99e-120, 9.99e-120j)
| (0.93969262078590838405 + 2.7584482605395478848e-478j)  +/-  (8.46e-120, 8.46e-120j)
| (0.89363264032341224819 - 5.7036347077537588605e-495j)  +/-  (7.6e-120, 7.6e-120j)
| (0.97304487057982383883 - 1.5171693234432277892e-514j)  +/-  (7.8e-120, 7.8e-120j)
| (-0.93969262078590838405 - 3.3160706027604832953e-524j)  +/-  (1.25e-119, 1.25e-119j)
| (-0.68624163786873358573 - 2.0415326039604430874e-526j)  +/-  (2.96e-121, 2.96e-121j)
| (-0.058144828910475828539 + 6.1976811055954727549e-534j)  +/-  (1.14e-127, 1.14e-127j)
| (0.59715859170278616485 - 2.9421450198343576773e-528j)  +/-  (4.28e-122, 4.28e-122j)
| (0.5 + 1.2153889461607772911e-530j)  +/-  (5.86e-123, 5.86e-123j)
| (-0.17364817766693034885 - 2.2550466625127073402e-535j)  +/-  (2.04e-126, 2.04e-126j)
| (-0.7660444431189780352 + 2.3365742594214640276e-529j)  +/-  (1.02e-120, 1.02e-120j)
| (-0.2868032327110902531 + 1.5666652935972263318e-534j)  +/-  (4.05e-125, 4.05e-125j)
| (0.3960797660391568237 + 7.9297939225501518774e-532j)  +/-  (5.15e-124, 5.15e-124j)
| (0.68624163786873358573 - 2.1138239095590271199e-532j)  +/-  (2.56e-121, 2.56e-121j)
| (0.058144828910475828539 - 6.0320564062745138903e-538j)  +/-  (1.52e-127, 1.52e-127j)
| (-0.3960797660391568237 - 2.9191872091488602735e-532j)  +/-  (5.61e-124, 5.61e-124j)
| (-0.5 - 1.2094340099015707329e-532j)  +/-  (4.97e-123, 4.97e-123j)
| (0.17364817766693034885 - 2.1606255158468044084e-538j)  +/-  (1.77e-126, 1.77e-126j)
-------------------------------------------------
The weights are:
| (0.00049916906333659557717 - 1.7954787668822162053e-465j)  +/-  (8.24e-37, 6.71e-95j)
| (0.023829689494649819502 - 9.6582104780823249013e-465j)  +/-  (4.09e-37, 3.33e-95j)
| (0.0074600260795780339842 + 4.7781885372995365652e-467j)  +/-  (1.41e-37, 1.14e-95j)
| (0.00049916906333659557717 - 4.7766596033645672139e-464j)  +/-  (3.83e-38, 3.12e-96j)
| (0.011183708036311910672 - 6.107245953787529741e-464j)  +/-  (9.11e-38, 7.42e-96j)
| (0.015302811524686475021 + 5.7875471760660311924e-464j)  +/-  (5.54e-38, 4.51e-96j)
| (0.033990515026165489253 - 4.0287575071909516191e-464j)  +/-  (1.59e-38, 1.29e-96j)
| (0.011183708036311910672 + 1.0849999351660508386e-466j)  +/-  (3.21e-38, 2.62e-96j)
| (0.0019697659199368102187 + 2.4828283425767699487e-465j)  +/-  (2.51e-38, 2.04e-96j)
| (0.0043325103126115178666 - 6.9945488212181292174e-464j)  +/-  (5.96e-39, 4.85e-97j)
| (0.0074600260795780339842 + 6.464722969409862624e-464j)  +/-  (5.67e-39, 4.62e-97j)
| (0.0019697659199368102187 + 8.4410995168692534716e-464j)  +/-  (3.88e-39, 3.16e-97j)
| (0.0043325103126115178666 + 1.2226727123560788808e-466j)  +/-  (1.24e-39, 1.01e-97j)
| (0.019595274609453256084 + 6.4548040315544373911e-465j)  +/-  (2.56e-40, 2.08e-98j)
| (0.036911821439665610899 + 2.8337655717964845407e-464j)  +/-  (7.76e-42, 6.32e-100j)
| (0.023829689494649819502 + 5.1322818436847075182e-464j)  +/-  (1.87e-41, 1.52e-99j)
| (0.027777777777777777778 - 4.7804213049404068507e-464j)  +/-  (7.02e-42, 5.71e-100j)
| (0.035920233718257562668 - 2.4354753774983220117e-464j)  +/-  (2.67e-42, 2.17e-100j)
| (0.015302811524686475021 - 3.423122877724580368e-465j)  +/-  (1.34e-41, 1.09e-99j)
| (0.033990515026165489253 + 2.0452468634868958486e-464j)  +/-  (1.08e-42, 8.82e-101j)
| (0.031226696997569140476 + 4.4117313417473069764e-464j)  +/-  (1.42e-42, 1.15e-100j)
| (0.019595274609453256084 - 5.4668030775710612034e-464j)  +/-  (2.48e-42, 2.02e-100j)
| (0.036911821439665610899 - 3.2352771172254122295e-464j)  +/-  (2.49e-43, 2.05e-101j)
| (0.031226696997569140476 - 1.6677606011468607664e-464j)  +/-  (6.4e-44, 5.36e-102j)
| (0.027777777777777777778 + 1.307449650515683219e-464j)  +/-  (5.57e-44, 4.74e-102j)
| (0.035920233718257562668 + 3.635167490210286042e-464j)  +/-  (6.22e-44, 4.52e-102j)
