Subroutines Packages

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

Scale a single-precision complex floating-point vector by a single-precision complex floating-point constant and add the result to a single-precision complex floating-point vector.

Copy values from one complex single-precision floating-point vector to another complex single-precision floating-point vector.

Scale a single-precision complex floating-point vector by a single-precision complex floating-point constant.

Apply a plane rotation.

Construct a Givens plane rotation.

Apply a modified Givens transformation.

Multiply a single-precision floating-point vector by a constant.

Interchange two single-precision floating-point vectors.

Error handler for BLAS/LAPACK routines.

Scale a double-precision complex floating-point vector by a double-precision complex floating-point constant and add the result to a double-precision complex floating-point vector.

Copy values from one complex double-precision floating-point vector to another complex double-precision floating-point vector.

Apply a plane rotation.

Scale a double-precision complex floating-point vector by a double-precision complex floating-point constant.

Interchanges two complex double-precision floating-point vectors.

Calculate the dot product of two double-precision floating-point vectors.

Compute the sum of absolute values (L1 norm).

Multiply a vector x by a constant and add the result to y.

Compute the sum of the absolute values of the real and imaginary components of a single-precision complex floating-point vector.

Compute the L2-norm of a complex single-precision floating-point vector.