Number Packages

Compute the absolute value of a double-precision floating-point number.

Compute the squared absolute value of a double-precision floating-point number.

Compute the squared absolute value of a single-precision floating-point number.

Compute the absolute value of a single-precision floating-point number.

Inverse incomplete gamma function.

Natural logarithm of the gamma function.

Sign of the gamma 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.

Compute exp(x) - 1.

Relative error exponential.

Evaluate a factorial.

Evaluate the double factorial.