Natural logarithm of 2π.

Calculate the sum of double-precision floating-point strided array elements, ignoring NaN values and using a second-order iterative Kahan–Babuška algorithm.

Calculate the arithmetic mean of a double-precision floating-point strided array, ignoring NaN values and using a two-pass error correction algorithm.

Square root of π.

Square root of 2.

Calculate the maximum value of a double-precision floating-point strided array.

Convert a double-precision floating-point number to the nearest single-precision floating-point number.

Maximum safe double-precision floating-point integer.

Natural logarithm of 2.

Natural logarithm of π.

Split a double-precision floating-point number into a normalized fraction and an integer power of two.

Copy all or part of a matrix A to another matrix B.

Set the more significant 32 bits of a double-precision floating-point number.

Convert a double-precision floating-point number to an unsigned 32-bit integer.

Double-precision floating-point negative infinity.

Maximum double-precision floating-point number.

Reverse a double-precision floating-point strided array in-place.

Copy values from x into y.

Compute the `L * D * L^T` factorization of a real symmetric positive definite tridiagonal matrix `A`.

Add a constant to each element in a double-precision floating-point strided array.