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subroutine | zhetrd_2stage (VECT, UPLO, N, A, LDA, D, E, TAU, HOUS2, LHOUS2, WORK, LWORK, INFO) |
| ZHETRD_2STAGE More...
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subroutine zhetrd_he2hb(UPLO, N, KD, A, LDA, AB, LDAB, TAU, WORK, LWORK, INFO)
ZHETRD_HE2HB
subroutine zhetrd_hb2st(STAGE1, VECT, UPLO, N, KD, AB, LDAB, D, E, HOUS, LHOUS, WORK, LWORK, INFO)
ZHETRD_HB2ST reduces a complex Hermitian band matrix A to real symmetric tridiagonal form T
integer function ilaenv2stage(ISPEC, NAME, OPTS, N1, N2, N3, N4)
ILAENV2STAGE