Computes the SVD of a real bidiagonal matrix with diagonal d and off-diagonal e. Used by ?bdsdc.
Solves a triangular banded system of equations.
Multiplies a general matrix by the orthogonal/unitary matrix from a RZ factorization determined by ?tzrzf (unblocked algorithm).
Converts a double precision matrix to a single precision matrix.
Estimates the Skeel condition number for a general matrix.
Scales a Hermitian matrix stored in packed form.
Checks if the infinity and NaN arithmetic is safe. Called by ilaenv.
Solves a system of distributed linear equations with a general band matrix, using the LU factorization computed by p?gbtrf.