COMPLEX*16 or DOUBLE COMPLEX routines

• BD: bidiagonal
• GB: general band
• GE: general (i.e., unsymmetric, in some cases rectangular)
• GG: general matrices, generalized problem (i.e., a pair of general matrices)
• GT: general tridiagonal
• HB: (complex) Hermitian band
• HE: (complex) Hermitian
• HG: upper Hessenberg matrix, generalized problem (i.e a Hessenberg and a triangular matrix)
• HP: (complex) Hermitian, packed storage
• HS: upper Hessenberg
• PB: symmetric or Hermitian positive definite band
• PO: symmetric or Hermitian positive definite
• PP: symmetric or Hermitian positive definite, packed storage
• PT: symmetric or Hermitian positive definite tridiagonal
• SP: symmetric, packed storage
• ST: (real) symmetric tridiagonal
• SY: symmetric
• TB: triangular band
• TG: triangular matrices, generalized problem (i.e., a pair of triangular matrices)
• TP: triangular, packed storage
• TR: triangular (or in some cases quasi-triangular)
• TZ: trapezoidal
• UN: (complex) unitary
• UP: (complex) unitary, packed storageBDbidiagonal