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author | igor175 <igor175@8a072113-8704-0410-8d35-dd094bca7971> | 2011-12-07 12:38:53 +0000 |
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committer | igor175 <igor175@8a072113-8704-0410-8d35-dd094bca7971> | 2011-12-07 12:38:53 +0000 |
commit | 23dffa46c3e3f80dd8495e7ba66a0bc85ea1dbc7 (patch) | |
tree | 2fbf447c2bffbad810d1d5ca5b77b2ce1a8dd683 /SRC | |
parent | b7342951d708da1aef2650930c86a32af27587b8 (diff) | |
download | lapack-23dffa46c3e3f80dd8495e7ba66a0bc85ea1dbc7.tar.gz lapack-23dffa46c3e3f80dd8495e7ba66a0bc85ea1dbc7.tar.bz2 lapack-23dffa46c3e3f80dd8495e7ba66a0bc85ea1dbc7.zip |
updated comments in dsysv_rook.f and ssysv_rook.f
Diffstat (limited to 'SRC')
-rw-r--r-- | SRC/dsysv_rook.f | 13 | ||||
-rw-r--r-- | SRC/ssysv_rook.f | 13 |
2 files changed, 20 insertions, 6 deletions
diff --git a/SRC/dsysv_rook.f b/SRC/dsysv_rook.f index 4325cc8e..8dfbb6c0 100644 --- a/SRC/dsysv_rook.f +++ b/SRC/dsysv_rook.f @@ -36,7 +36,8 @@ *> *> \verbatim *> -*> DSYSV_ROOK computes the solution to a real system of linear equations +*> DSYSV_ROOK computes the solution to a real system of linear +*> equations *> A * X = B, *> where A is an N-by-N symmetric matrix and X and B are N-by-NRHS *> matrices. @@ -46,8 +47,14 @@ *> A = L * D * L**T, if UPLO = 'L', *> where U (or L) is a product of permutation and unit upper (lower) *> triangular matrices, and D is symmetric and block diagonal with -*> 1-by-1 and 2-by-2 diagonal blocks. The factored form of A is then -*> used to solve the system of equations A * X = B. +*> 1-by-1 and 2-by-2 diagonal blocks. +*> +*> DSYTRF_ROOK is called to compute the factorization of a real +*> symmetric matrix A using the bounded Bunch-Kaufman ("rook") diagonal +*> pivoting method. +*> +*> The factored form of A is then used to solve the system +*> of equations A * X = B by calling DSYTRS_ROOK. *> \endverbatim * * Arguments: diff --git a/SRC/ssysv_rook.f b/SRC/ssysv_rook.f index bc19f817..fd0d9432 100644 --- a/SRC/ssysv_rook.f +++ b/SRC/ssysv_rook.f @@ -36,7 +36,8 @@ *> *> \verbatim *> -*> SSYSV_ROOK computes the solution to a real system of linear equations +*> SSYSV_ROOK computes the solution to a real system of linear +*> equations *> A * X = B, *> where A is an N-by-N symmetric matrix and X and B are N-by-NRHS *> matrices. @@ -46,8 +47,14 @@ *> A = L * D * L**T, if UPLO = 'L', *> where U (or L) is a product of permutation and unit upper (lower) *> triangular matrices, and D is symmetric and block diagonal with -*> 1-by-1 and 2-by-2 diagonal blocks. The factored form of A is then -*> used to solve the system of equations A * X = B. +*> 1-by-1 and 2-by-2 diagonal blocks. +*> +*> SSYTRF_ROOK is called to compute the factorization of a real +*> symmetric matrix A using the bounded Bunch-Kaufman ("rook") diagonal +*> pivoting method. +*> +*> The factored form of A is then used to solve the system +*> of equations A * X = B by calling SSYTRS_ROOK. *> \endverbatim * * Arguments: |