public interface sytrs_3
SYTRS_3 solves a system of linear equations A * X = B with a complex
symmetric matrix A using the factorization computed
by CSYTRF_RK or CSYTRF_BK:
A = PUD(UT)(PT) or A = PLD*(LT)(PT),
where U (or L) is unit upper (or lower) triangular matrix,
UT (or LT) is the transpose of U (or L), P is a permutation
matrix, P*T is the transpose of P, and D is symmetric and block
diagonal with 1-by-1 and 2-by-2 diagonal blocks.
This algorithm is using Level 3 BLAS.
Subroutines
Arguments
| Type |
Intent | Optional | Attributes |
|
Name |
|
|
character(len=1),
|
intent(in) |
|
|
:: |
uplo |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
n |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
nrhs |
|
|
complex(kind=sp),
|
intent(in) |
|
|
:: |
a(lda,*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
lda |
|
|
complex(kind=sp),
|
intent(in) |
|
|
:: |
e(*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
ipiv(*) |
|
|
complex(kind=sp),
|
intent(inout) |
|
|
:: |
b(ldb,*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
ldb |
|
|
integer(kind=ilp),
|
intent(out) |
|
|
:: |
info |
|
Arguments
| Type |
Intent | Optional | Attributes |
|
Name |
|
|
character(len=1),
|
intent(in) |
|
|
:: |
uplo |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
n |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
nrhs |
|
|
real(kind=dp),
|
intent(in) |
|
|
:: |
a(lda,*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
lda |
|
|
real(kind=dp),
|
intent(in) |
|
|
:: |
e(*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
ipiv(*) |
|
|
real(kind=dp),
|
intent(inout) |
|
|
:: |
b(ldb,*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
ldb |
|
|
integer(kind=ilp),
|
intent(out) |
|
|
:: |
info |
|
Arguments
| Type |
Intent | Optional | Attributes |
|
Name |
|
|
character(len=1),
|
intent(in) |
|
|
:: |
uplo |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
n |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
nrhs |
|
|
real(kind=sp),
|
intent(in) |
|
|
:: |
a(lda,*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
lda |
|
|
real(kind=sp),
|
intent(in) |
|
|
:: |
e(*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
ipiv(*) |
|
|
real(kind=sp),
|
intent(inout) |
|
|
:: |
b(ldb,*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
ldb |
|
|
integer(kind=ilp),
|
intent(out) |
|
|
:: |
info |
|
Arguments
| Type |
Intent | Optional | Attributes |
|
Name |
|
|
character(len=1),
|
intent(in) |
|
|
:: |
uplo |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
n |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
nrhs |
|
|
complex(kind=dp),
|
intent(in) |
|
|
:: |
a(lda,*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
lda |
|
|
complex(kind=dp),
|
intent(in) |
|
|
:: |
e(*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
ipiv(*) |
|
|
complex(kind=dp),
|
intent(inout) |
|
|
:: |
b(ldb,*) |
|
|
integer(kind=ilp),
|
intent(in) |
|
|
:: |
ldb |
|
|
integer(kind=ilp),
|
intent(out) |
|
|
:: |
info |
|
Module Procedures