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Pure Python functions
Double-Double Arithmetic and Special Function Implements
Polygamma function.
Incomplete beta function.
Inverse incomplete beta function.
Natural logarithm of the beta function.
Gamma function.
Compute the ratio of two gamma functions.
Calculate the Lanczos sum for the approximation of the gamma function.
Calculate a scaled Lanczos sum for the approximation of the gamma function.
Compute gamma(x+1) - 1.
Inverse incomplete gamma function.
Incomplete beta function and its first derivative.
Inverse incomplete beta function.
Compute the rising factorial.
Trigamma function.
Round a double-precision floating-point number toward zero.
Round a single-precision floating-point number toward zero.
Create an iterator which evaluates the natural logarithm of the beta function.
Create an iterator which evaluates Binet's formula for each iterated value.
Create an iterator which evaluates the gamma function for each iterated value.
Create an iterator which evaluates the natural logarithm of 1-exp(-|x|) for each iterated value.
Create an iterator which evaluates the natural logarithm of 1+x for each iterated value.
Create an iterator which evaluates the binary logarithm for each iterated value.
Create an iterator which evaluates the Riemann zeta function for each iterated value.
Beta function.
Compute the falling factorial.
Incomplete gamma function.
Natural logarithm of the gamma function.
Sign of the gamma function.
Riemann Zeta function.
Create an iterator which evaluates the beta function.
Create an iterator which computes `gamma(x+1) - 1` for each iterated value.
Create an iterator which evaluates the natural logarithm of the gamma function for each iterated value.
Create an iterator which evaluates the natural logarithm of 1+exp(x) for each iterated value.
Create an iterator which evaluates the trigamma function for each iterated value.