Double Packages

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

Evaluate the double factorial.

Return a double-precision floating-point number with the magnitude of x and the sign of x*y.

Round a double-precision floating-point number toward negative infinity.

Convert an angle from degrees to radians.

Double-precision floating-point mathematical constants.

Catalan's constant.

Cube root of double-precision floating-point epsilon.

Euler's number.

Difference between one and the smallest value greater than one that can be represented as a double-precision floating-point number.

The Euler-Mascheroni constant.

The bias of a double-precision floating-point number's exponent.

1/4 times π.

Fourth root of double-precision floating-point epsilon.

Glaisher-Kinkelin constant.

One half times the natural logarithm of 2.

1/2 times π.

Natural logarithm of 1/2.

Natural logarithm of π.

Natural logarithm of the square root of 2π.