Stdmath Packages

Evaluate the Heaviside function.

Compute the complete elliptic integral of the first kind.

Error function.

Complementary error function.

Inverse complementary error function.

Scaled complementary error function.

Inverse error function.

Natural exponential function.

Base 10 exponential function.

Base 2 exponential function.

Standard logistic function.

Compute exp(x) - 1.

Relative error exponential.

Evaluate a factorial.

Evaluate the double factorial.

Evaluate the natural logarithm of the factorial function.

Compute the falling factorial.

Fast math special functions.

Compute the nth Fibonacci number.

Compute the Fibonacci number index.