incompleteBeta underflows for small x

haskell / math-functions

Special mathematical functions

BSD 2-Clause "Simplified" License

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Open Shimuuar opened 8 years ago

Shimuuar commented 8 years ago

>>> incompleteBeta 100 100 0.000453582882551019090765914709706407847988884896039962768554688
0.0

but true answer is: 2.00541346834439406004294904703959964191892215724246345240369e-276