diff options
Diffstat (limited to 'SRC/zpttrf.f')
| -rw-r--r-- | SRC/zpttrf.f | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/SRC/zpttrf.f b/SRC/zpttrf.f index 20879ce5..fca677dc 100644 --- a/SRC/zpttrf.f +++ b/SRC/zpttrf.f @@ -16,9 +16,9 @@ * Purpose * ======= * -* ZPTTRF computes the L*D*L' factorization of a complex Hermitian +* ZPTTRF computes the L*D*L**H factorization of a complex Hermitian * positive definite tridiagonal matrix A. The factorization may also -* be regarded as having the form A = U'*D*U. +* be regarded as having the form A = U**H *D*U. * * Arguments * ========= @@ -29,14 +29,14 @@ * D (input/output) DOUBLE PRECISION array, dimension (N) * On entry, the n diagonal elements of the tridiagonal matrix * A. On exit, the n diagonal elements of the diagonal matrix -* D from the L*D*L' factorization of A. +* D from the L*D*L**H factorization of A. * * E (input/output) COMPLEX*16 array, dimension (N-1) * On entry, the (n-1) subdiagonal elements of the tridiagonal * matrix A. On exit, the (n-1) subdiagonal elements of the -* unit bidiagonal factor L from the L*D*L' factorization of A. +* unit bidiagonal factor L from the L*D*L**H factorization of A. * E can also be regarded as the superdiagonal of the unit -* bidiagonal factor U from the U'*D*U factorization of A. +* bidiagonal factor U from the U**H *D*U factorization of A. * * INFO (output) INTEGER * = 0: successful exit @@ -78,7 +78,7 @@ IF( N.EQ.0 ) $ RETURN * -* Compute the L*D*L' (or U'*D*U) factorization of A. +* Compute the L*D*L**H (or U**H *D*U) factorization of A. * I4 = MOD( N-1, 4 ) DO 10 I = 1, I4 |