Special Packages

Beta function.

Compute the nth negaFibonacci number.

Compute the nth negaLucas number.

Compute the nth non-Fibonacci number.

Riemann Zeta function.

Compute the rising factorial.

Sine and cosine integrals.

Evaluate the signum function for a double-precision floating-point number.

Evaluate the signum function for a single-precision floating-point number.

Incomplete beta function and its first derivative.

Inverse incomplete beta function.

Round a single-precision floating-point number toward zero.

Compute `x * ln(y+1)` so that the result is `0` if `x = 0`.

Compute `x * ln(y)` so that the result is `0` if `x = 0`.

Compute the nth Tribonacci number.

Round a double-precision floating-point number toward zero.

Evaluate the natural logarithm of 1+exp(x).

Evaluate ln(1+x) - x.

Compute the natural logarithm of exp(x) + exp(y).

Logit function.