PBRFS: improves the computed solution to a system of linear equations when the coefficient matrix is Hermitian positive definite and banded, and provides error bounds and backward error estimates for the solution.
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| pure subroutine | cpbrfs (uplo, n, kd, nrhs, ab, ldab, afb, ldafb, b, ldb, x, ldx, ferr, berr, work, rwork, info) |
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| | la_cpbrfs |
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| pure subroutine | dpbrfs (uplo, n, kd, nrhs, ab, ldab, afb, ldafb, b, ldb, x, ldx, ferr, berr, work, iwork, info) |
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| | la_dpbrfs |
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| | la_qpbrfs |
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| pure subroutine | spbrfs (uplo, n, kd, nrhs, ab, ldab, afb, ldafb, b, ldb, x, ldx, ferr, berr, work, iwork, info) |
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| | la_spbrfs |
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| | la_wpbrfs |
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| pure subroutine | zpbrfs (uplo, n, kd, nrhs, ab, ldab, afb, ldafb, b, ldb, x, ldx, ferr, berr, work, rwork, info) |
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| | la_zpbrfs |
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PBRFS: improves the computed solution to a system of linear equations when the coefficient matrix is Hermitian positive definite and banded, and provides error bounds and backward error estimates for the solution.
◆ cpbrfs()
| pure subroutine la_lapack::pbrfs::cpbrfs |
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character, intent(in) |
uplo, |
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integer(ilp), intent(in) |
n, |
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integer(ilp), intent(in) |
kd, |
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integer(ilp), intent(in) |
nrhs, |
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complex(sp), dimension(ldab,*), intent(in) |
ab, |
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integer(ilp), intent(in) |
ldab, |
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complex(sp), dimension(ldafb,*), intent(in) |
afb, |
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integer(ilp), intent(in) |
ldafb, |
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complex(sp), dimension(ldb,*), intent(in) |
b, |
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integer(ilp), intent(in) |
ldb, |
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complex(sp), dimension(ldx,*), intent(inout) |
x, |
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integer(ilp), intent(in) |
ldx, |
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real(sp), dimension(*), intent(out) |
ferr, |
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real(sp), dimension(*), intent(out) |
berr, |
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complex(sp), dimension(*), intent(out) |
work, |
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real(sp), dimension(*), intent(out) |
rwork, |
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integer(ilp), intent(out) |
info |
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) |
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◆ dpbrfs()
| pure subroutine la_lapack::pbrfs::dpbrfs |
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character, intent(in) |
uplo, |
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integer(ilp), intent(in) |
n, |
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integer(ilp), intent(in) |
kd, |
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integer(ilp), intent(in) |
nrhs, |
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real(dp), dimension(ldab,*), intent(in) |
ab, |
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integer(ilp), intent(in) |
ldab, |
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real(dp), dimension(ldafb,*), intent(in) |
afb, |
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integer(ilp), intent(in) |
ldafb, |
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real(dp), dimension(ldb,*), intent(in) |
b, |
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integer(ilp), intent(in) |
ldb, |
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real(dp), dimension(ldx,*), intent(inout) |
x, |
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integer(ilp), intent(in) |
ldx, |
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real(dp), dimension(*), intent(out) |
ferr, |
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real(dp), dimension(*), intent(out) |
berr, |
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real(dp), dimension(*), intent(out) |
work, |
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integer(ilp), dimension(*), intent(out) |
iwork, |
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integer(ilp), intent(out) |
info |
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) |
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◆ la_cpbrfs()
| la_lapack::pbrfs::la_cpbrfs |
◆ la_dpbrfs()
| la_lapack::pbrfs::la_dpbrfs |
◆ la_qpbrfs()
| la_lapack::pbrfs::la_qpbrfs |
◆ la_spbrfs()
| la_lapack::pbrfs::la_spbrfs |
◆ la_wpbrfs()
| la_lapack::pbrfs::la_wpbrfs |
◆ la_zpbrfs()
| la_lapack::pbrfs::la_zpbrfs |
◆ spbrfs()
| pure subroutine la_lapack::pbrfs::spbrfs |
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character, intent(in) |
uplo, |
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integer(ilp), intent(in) |
n, |
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integer(ilp), intent(in) |
kd, |
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integer(ilp), intent(in) |
nrhs, |
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real(sp), dimension(ldab,*), intent(in) |
ab, |
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integer(ilp), intent(in) |
ldab, |
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real(sp), dimension(ldafb,*), intent(in) |
afb, |
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integer(ilp), intent(in) |
ldafb, |
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real(sp), dimension(ldb,*), intent(in) |
b, |
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integer(ilp), intent(in) |
ldb, |
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real(sp), dimension(ldx,*), intent(inout) |
x, |
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integer(ilp), intent(in) |
ldx, |
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real(sp), dimension(*), intent(out) |
ferr, |
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real(sp), dimension(*), intent(out) |
berr, |
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real(sp), dimension(*), intent(out) |
work, |
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integer(ilp), dimension(*), intent(out) |
iwork, |
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integer(ilp), intent(out) |
info |
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◆ zpbrfs()
| pure subroutine la_lapack::pbrfs::zpbrfs |
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character, intent(in) |
uplo, |
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integer(ilp), intent(in) |
n, |
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integer(ilp), intent(in) |
kd, |
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integer(ilp), intent(in) |
nrhs, |
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complex(dp), dimension(ldab,*), intent(in) |
ab, |
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integer(ilp), intent(in) |
ldab, |
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complex(dp), dimension(ldafb,*), intent(in) |
afb, |
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integer(ilp), intent(in) |
ldafb, |
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complex(dp), dimension(ldb,*), intent(in) |
b, |
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integer(ilp), intent(in) |
ldb, |
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complex(dp), dimension(ldx,*), intent(inout) |
x, |
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integer(ilp), intent(in) |
ldx, |
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real(dp), dimension(*), intent(out) |
ferr, |
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real(dp), dimension(*), intent(out) |
berr, |
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complex(dp), dimension(*), intent(out) |
work, |
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real(dp), dimension(*), intent(out) |
rwork, |
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integer(ilp), intent(out) |
info |
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) |
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The documentation for this interface was generated from the following file:
1.9.8