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New betainc C implementation less precise than Scipy #906

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ricardoV94 opened this issue Jul 9, 2024 · 0 comments · Fixed by #908

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ricardoV94 commented Jul 9, 2024 •

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PyMC CI started failing in pymc-devs/pymc#7400

import scipy.special
import pytensor.tensor as pt

print(pt.betainc(100.0, 1.0, 0.1).eval())  # 0.0
print(scipy.special.betainc(100.0, 1.0, 0.1))  # 1.0000000000000056e-100

ricardoV94 added bug C-backend labels

This was referenced Jul 9, 2024

Bump PyTensor dependency pymc-devs/pymc#7400

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Increase precision of betainc C implementation #908

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ricardoV94 closed this as completed in #908

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