MAGMA
2.7.1
Matrix Algebra for GPU and Multicore Architectures
|
\( x = op(A^{-1})\; b \) More...
Functions | |
void | magma_ctrsv (magma_uplo_t uplo, magma_trans_t trans, magma_diag_t diag, magma_int_t n, magmaFloatComplex_const_ptr dA, magma_int_t ldda, magmaFloatComplex_ptr dx, magma_int_t incx, magma_queue_t queue) |
Solve triangular matrix-vector system (one right-hand side). More... | |
void | magma_dtrsv (magma_uplo_t uplo, magma_trans_t trans, magma_diag_t diag, magma_int_t n, magmaDouble_const_ptr dA, magma_int_t ldda, magmaDouble_ptr dx, magma_int_t incx, magma_queue_t queue) |
Solve triangular matrix-vector system (one right-hand side). More... | |
void | magma_strsv (magma_uplo_t uplo, magma_trans_t trans, magma_diag_t diag, magma_int_t n, magmaFloat_const_ptr dA, magma_int_t ldda, magmaFloat_ptr dx, magma_int_t incx, magma_queue_t queue) |
Solve triangular matrix-vector system (one right-hand side). More... | |
void | magma_ztrsv (magma_uplo_t uplo, magma_trans_t trans, magma_diag_t diag, magma_int_t n, magmaDoubleComplex_const_ptr dA, magma_int_t ldda, magmaDoubleComplex_ptr dx, magma_int_t incx, magma_queue_t queue) |
Solve triangular matrix-vector system (one right-hand side). More... | |
void | magmablas_ctrsv (magma_uplo_t uplo, magma_trans_t trans, magma_diag_t diag, magma_int_t n, magmaFloatComplex_const_ptr dA, magma_int_t ldda, magmaFloatComplex_ptr db, magma_int_t incb, magma_queue_t queue) |
ctrsv solves one of the matrix equations on gpu More... | |
void | magmablas_dtrsv (magma_uplo_t uplo, magma_trans_t trans, magma_diag_t diag, magma_int_t n, magmaDouble_const_ptr dA, magma_int_t ldda, magmaDouble_ptr db, magma_int_t incb, magma_queue_t queue) |
dtrsv solves one of the matrix equations on gpu More... | |
void | magmablas_strsv (magma_uplo_t uplo, magma_trans_t trans, magma_diag_t diag, magma_int_t n, magmaFloat_const_ptr dA, magma_int_t ldda, magmaFloat_ptr db, magma_int_t incb, magma_queue_t queue) |
strsv solves one of the matrix equations on gpu More... | |
void | magmablas_ztrsv (magma_uplo_t uplo, magma_trans_t trans, magma_diag_t diag, magma_int_t n, magmaDoubleComplex_const_ptr dA, magma_int_t ldda, magmaDoubleComplex_ptr db, magma_int_t incb, magma_queue_t queue) |
ztrsv solves one of the matrix equations on gpu More... | |
\( x = op(A^{-1})\; b \)
void magma_ctrsv | ( | magma_uplo_t | uplo, |
magma_trans_t | trans, | ||
magma_diag_t | diag, | ||
magma_int_t | n, | ||
magmaFloatComplex_const_ptr | dA, | ||
magma_int_t | ldda, | ||
magmaFloatComplex_ptr | dx, | ||
magma_int_t | incx, | ||
magma_queue_t | queue | ||
) |
Solve triangular matrix-vector system (one right-hand side).
\( A x = b \) (trans == MagmaNoTrans), or
\( A^T x = b \) (trans == MagmaTrans), or
\( A^H x = b \) (trans == MagmaConjTrans).
[in] | uplo | Whether the upper or lower triangle of A is referenced. |
[in] | trans | Operation to perform on A. |
[in] | diag | Whether the diagonal of A is assumed to be unit or non-unit. |
[in] | n | Number of rows and columns of A. n >= 0. |
[in] | dA | COMPLEX array of dimension (ldda,n), ldda >= max(1,n). The n-by-n matrix A, on GPU device. |
[in] | ldda | Leading dimension of dA. |
[in,out] | dx | COMPLEX array on GPU device. On entry, the n element RHS vector b of dimension (1 + (n-1)*incx). On exit, overwritten with the solution vector x. |
[in] | incx | Stride between consecutive elements of dx. incx != 0. |
[in] | queue | magma_queue_t Queue to execute in. |
void magma_dtrsv | ( | magma_uplo_t | uplo, |
magma_trans_t | trans, | ||
magma_diag_t | diag, | ||
magma_int_t | n, | ||
magmaDouble_const_ptr | dA, | ||
magma_int_t | ldda, | ||
magmaDouble_ptr | dx, | ||
magma_int_t | incx, | ||
magma_queue_t | queue | ||
) |
Solve triangular matrix-vector system (one right-hand side).
\( A x = b \) (trans == MagmaNoTrans), or
\( A^T x = b \) (trans == MagmaTrans), or
\( A^H x = b \) (trans == MagmaConjTrans).
[in] | uplo | Whether the upper or lower triangle of A is referenced. |
[in] | trans | Operation to perform on A. |
[in] | diag | Whether the diagonal of A is assumed to be unit or non-unit. |
[in] | n | Number of rows and columns of A. n >= 0. |
[in] | dA | DOUBLE PRECISION array of dimension (ldda,n), ldda >= max(1,n). The n-by-n matrix A, on GPU device. |
[in] | ldda | Leading dimension of dA. |
[in,out] | dx | DOUBLE PRECISION array on GPU device. On entry, the n element RHS vector b of dimension (1 + (n-1)*incx). On exit, overwritten with the solution vector x. |
[in] | incx | Stride between consecutive elements of dx. incx != 0. |
[in] | queue | magma_queue_t Queue to execute in. |
void magma_strsv | ( | magma_uplo_t | uplo, |
magma_trans_t | trans, | ||
magma_diag_t | diag, | ||
magma_int_t | n, | ||
magmaFloat_const_ptr | dA, | ||
magma_int_t | ldda, | ||
magmaFloat_ptr | dx, | ||
magma_int_t | incx, | ||
magma_queue_t | queue | ||
) |
Solve triangular matrix-vector system (one right-hand side).
\( A x = b \) (trans == MagmaNoTrans), or
\( A^T x = b \) (trans == MagmaTrans), or
\( A^H x = b \) (trans == MagmaConjTrans).
[in] | uplo | Whether the upper or lower triangle of A is referenced. |
[in] | trans | Operation to perform on A. |
[in] | diag | Whether the diagonal of A is assumed to be unit or non-unit. |
[in] | n | Number of rows and columns of A. n >= 0. |
[in] | dA | REAL array of dimension (ldda,n), ldda >= max(1,n). The n-by-n matrix A, on GPU device. |
[in] | ldda | Leading dimension of dA. |
[in,out] | dx | REAL array on GPU device. On entry, the n element RHS vector b of dimension (1 + (n-1)*incx). On exit, overwritten with the solution vector x. |
[in] | incx | Stride between consecutive elements of dx. incx != 0. |
[in] | queue | magma_queue_t Queue to execute in. |
void magma_ztrsv | ( | magma_uplo_t | uplo, |
magma_trans_t | trans, | ||
magma_diag_t | diag, | ||
magma_int_t | n, | ||
magmaDoubleComplex_const_ptr | dA, | ||
magma_int_t | ldda, | ||
magmaDoubleComplex_ptr | dx, | ||
magma_int_t | incx, | ||
magma_queue_t | queue | ||
) |
Solve triangular matrix-vector system (one right-hand side).
\( A x = b \) (trans == MagmaNoTrans), or
\( A^T x = b \) (trans == MagmaTrans), or
\( A^H x = b \) (trans == MagmaConjTrans).
[in] | uplo | Whether the upper or lower triangle of A is referenced. |
[in] | trans | Operation to perform on A. |
[in] | diag | Whether the diagonal of A is assumed to be unit or non-unit. |
[in] | n | Number of rows and columns of A. n >= 0. |
[in] | dA | COMPLEX_16 array of dimension (ldda,n), ldda >= max(1,n). The n-by-n matrix A, on GPU device. |
[in] | ldda | Leading dimension of dA. |
[in,out] | dx | COMPLEX_16 array on GPU device. On entry, the n element RHS vector b of dimension (1 + (n-1)*incx). On exit, overwritten with the solution vector x. |
[in] | incx | Stride between consecutive elements of dx. incx != 0. |
[in] | queue | magma_queue_t Queue to execute in. |
void magmablas_ctrsv | ( | magma_uplo_t | uplo, |
magma_trans_t | trans, | ||
magma_diag_t | diag, | ||
magma_int_t | n, | ||
magmaFloatComplex_const_ptr | dA, | ||
magma_int_t | ldda, | ||
magmaFloatComplex_ptr | db, | ||
magma_int_t | incb, | ||
magma_queue_t | queue | ||
) |
ctrsv solves one of the matrix equations on gpu
op(A)*x = B, or x*op(A) = B,
where alpha is a scalar, X and B are vectors, A is a unit, or non-unit, upper or lower triangular matrix and op(A) is one of
op(A) = A, or op(A) = A^T, or op(A) = A^H.
The vector x is overwritten on b.
[in] | uplo | magma_uplo_t. On entry, uplo specifies whether the matrix A is an upper or lower triangular matrix as follows:
|
[in] | trans | magma_trans_t. On entry, trans specifies the form of op(A) to be used in the matrix multiplication as follows:
|
[in] | diag | magma_diag_t. On entry, diag specifies whether or not A is unit triangular as follows:
|
[in] | n | INTEGER. On entry, n N specifies the order of the matrix A. n >= 0. |
[in] | dA | COMPLEX array of dimension ( lda, n ) Before entry with uplo = MagmaUpper, the leading n by n upper triangular part of the array A must contain the upper triangular matrix and the strictly lower triangular part of A is not referenced. Before entry with uplo = MagmaLower, the leading n by n lower triangular part of the array A must contain the lower triangular matrix and the strictly upper triangular part of A is not referenced. Note that when diag = MagmaUnit, the diagonal elements of A are not referenced either, but are assumed to be unity. |
[in] | ldda | INTEGER. On entry, lda specifies the first dimension of A. lda >= max( 1, n ). |
[in] | db | COMPLEX array of dimension n On exit, b is overwritten with the solution vector X. |
[in] | incb | INTEGER. On entry, incb specifies the increment for the elements of b. incb must not be zero. Unchanged on exit. |
[in] | queue | magma_queue_t Queue to execute in. |
void magmablas_dtrsv | ( | magma_uplo_t | uplo, |
magma_trans_t | trans, | ||
magma_diag_t | diag, | ||
magma_int_t | n, | ||
magmaDouble_const_ptr | dA, | ||
magma_int_t | ldda, | ||
magmaDouble_ptr | db, | ||
magma_int_t | incb, | ||
magma_queue_t | queue | ||
) |
dtrsv solves one of the matrix equations on gpu
op(A)*x = B, or x*op(A) = B,
where alpha is a scalar, X and B are vectors, A is a unit, or non-unit, upper or lower triangular matrix and op(A) is one of
op(A) = A, or op(A) = A^T, or op(A) = A^H.
The vector x is overwritten on b.
[in] | uplo | magma_uplo_t. On entry, uplo specifies whether the matrix A is an upper or lower triangular matrix as follows:
|
[in] | trans | magma_trans_t. On entry, trans specifies the form of op(A) to be used in the matrix multiplication as follows:
|
[in] | diag | magma_diag_t. On entry, diag specifies whether or not A is unit triangular as follows:
|
[in] | n | INTEGER. On entry, n N specifies the order of the matrix A. n >= 0. |
[in] | dA | DOUBLE PRECISION array of dimension ( lda, n ) Before entry with uplo = MagmaUpper, the leading n by n upper triangular part of the array A must contain the upper triangular matrix and the strictly lower triangular part of A is not referenced. Before entry with uplo = MagmaLower, the leading n by n lower triangular part of the array A must contain the lower triangular matrix and the strictly upper triangular part of A is not referenced. Note that when diag = MagmaUnit, the diagonal elements of A are not referenced either, but are assumed to be unity. |
[in] | ldda | INTEGER. On entry, lda specifies the first dimension of A. lda >= max( 1, n ). |
[in] | db | DOUBLE PRECISION array of dimension n On exit, b is overwritten with the solution vector X. |
[in] | incb | INTEGER. On entry, incb specifies the increment for the elements of b. incb must not be zero. Unchanged on exit. |
[in] | queue | magma_queue_t Queue to execute in. |
void magmablas_strsv | ( | magma_uplo_t | uplo, |
magma_trans_t | trans, | ||
magma_diag_t | diag, | ||
magma_int_t | n, | ||
magmaFloat_const_ptr | dA, | ||
magma_int_t | ldda, | ||
magmaFloat_ptr | db, | ||
magma_int_t | incb, | ||
magma_queue_t | queue | ||
) |
strsv solves one of the matrix equations on gpu
op(A)*x = B, or x*op(A) = B,
where alpha is a scalar, X and B are vectors, A is a unit, or non-unit, upper or lower triangular matrix and op(A) is one of
op(A) = A, or op(A) = A^T, or op(A) = A^H.
The vector x is overwritten on b.
[in] | uplo | magma_uplo_t. On entry, uplo specifies whether the matrix A is an upper or lower triangular matrix as follows:
|
[in] | trans | magma_trans_t. On entry, trans specifies the form of op(A) to be used in the matrix multiplication as follows:
|
[in] | diag | magma_diag_t. On entry, diag specifies whether or not A is unit triangular as follows:
|
[in] | n | INTEGER. On entry, n N specifies the order of the matrix A. n >= 0. |
[in] | dA | REAL array of dimension ( lda, n ) Before entry with uplo = MagmaUpper, the leading n by n upper triangular part of the array A must contain the upper triangular matrix and the strictly lower triangular part of A is not referenced. Before entry with uplo = MagmaLower, the leading n by n lower triangular part of the array A must contain the lower triangular matrix and the strictly upper triangular part of A is not referenced. Note that when diag = MagmaUnit, the diagonal elements of A are not referenced either, but are assumed to be unity. |
[in] | ldda | INTEGER. On entry, lda specifies the first dimension of A. lda >= max( 1, n ). |
[in] | db | REAL array of dimension n On exit, b is overwritten with the solution vector X. |
[in] | incb | INTEGER. On entry, incb specifies the increment for the elements of b. incb must not be zero. Unchanged on exit. |
[in] | queue | magma_queue_t Queue to execute in. |
void magmablas_ztrsv | ( | magma_uplo_t | uplo, |
magma_trans_t | trans, | ||
magma_diag_t | diag, | ||
magma_int_t | n, | ||
magmaDoubleComplex_const_ptr | dA, | ||
magma_int_t | ldda, | ||
magmaDoubleComplex_ptr | db, | ||
magma_int_t | incb, | ||
magma_queue_t | queue | ||
) |
ztrsv solves one of the matrix equations on gpu
op(A)*x = B, or x*op(A) = B,
where alpha is a scalar, X and B are vectors, A is a unit, or non-unit, upper or lower triangular matrix and op(A) is one of
op(A) = A, or op(A) = A^T, or op(A) = A^H.
The vector x is overwritten on b.
[in] | uplo | magma_uplo_t. On entry, uplo specifies whether the matrix A is an upper or lower triangular matrix as follows:
|
[in] | trans | magma_trans_t. On entry, trans specifies the form of op(A) to be used in the matrix multiplication as follows:
|
[in] | diag | magma_diag_t. On entry, diag specifies whether or not A is unit triangular as follows:
|
[in] | n | INTEGER. On entry, n N specifies the order of the matrix A. n >= 0. |
[in] | dA | COMPLEX_16 array of dimension ( lda, n ) Before entry with uplo = MagmaUpper, the leading n by n upper triangular part of the array A must contain the upper triangular matrix and the strictly lower triangular part of A is not referenced. Before entry with uplo = MagmaLower, the leading n by n lower triangular part of the array A must contain the lower triangular matrix and the strictly upper triangular part of A is not referenced. Note that when diag = MagmaUnit, the diagonal elements of A are not referenced either, but are assumed to be unity. |
[in] | ldda | INTEGER. On entry, lda specifies the first dimension of A. lda >= max( 1, n ). |
[in] | db | COMPLEX_16 array of dimension n On exit, b is overwritten with the solution vector X. |
[in] | incb | INTEGER. On entry, incb specifies the increment for the elements of b. incb must not be zero. Unchanged on exit. |
[in] | queue | magma_queue_t Queue to execute in. |