getrs: LU forward and back solves - no pivoting

Functions
magma_int_t	magma_cgetrs_nopiv_gpu (magma_trans_t trans, magma_int_t n, magma_int_t nrhs, magmaFloatComplex_ptr dA, magma_int_t ldda, magmaFloatComplex_ptr dB, magma_int_t lddb, magma_int_t *info)
	CGETRS solves a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general N-by-N matrix A using the LU factorization computed by CGETRF_NOPIV_GPU.
magma_int_t	magma_dgetrs_nopiv_gpu (magma_trans_t trans, magma_int_t n, magma_int_t nrhs, magmaDouble_ptr dA, magma_int_t ldda, magmaDouble_ptr dB, magma_int_t lddb, magma_int_t *info)
	DGETRS solves a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general N-by-N matrix A using the LU factorization computed by DGETRF_NOPIV_GPU.
magma_int_t	magma_sgetrs_nopiv_gpu (magma_trans_t trans, magma_int_t n, magma_int_t nrhs, magmaFloat_ptr dA, magma_int_t ldda, magmaFloat_ptr dB, magma_int_t lddb, magma_int_t *info)
	SGETRS solves a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general N-by-N matrix A using the LU factorization computed by SGETRF_NOPIV_GPU.
magma_int_t	magma_zgetrs_nopiv_gpu (magma_trans_t trans, magma_int_t n, magma_int_t nrhs, magmaDoubleComplex_ptr dA, magma_int_t ldda, magmaDoubleComplex_ptr dB, magma_int_t lddb, magma_int_t *info)
	ZGETRS solves a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general N-by-N matrix A using the LU factorization computed by ZGETRF_NOPIV_GPU.

Detailed Description

Function Documentation

magma_cgetrs_nopiv_gpu()

magma_int_t magma_cgetrs_nopiv_gpu	(	magma_trans_t	trans,
		magma_int_t	n,
		magma_int_t	nrhs,
		magmaFloatComplex_ptr	dA,
		magma_int_t	ldda,
		magmaFloatComplex_ptr	dB,
		magma_int_t	lddb,
		magma_int_t *	info )

CGETRS solves a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general N-by-N matrix A using the LU factorization computed by CGETRF_NOPIV_GPU.

Parameters

[in]	trans	magma_trans_t Specifies the form of the system of equations: = MagmaNoTrans: A * X = B (No transpose) = MagmaTrans: A**T * X = B (Transpose) = MagmaConjTrans: A**H * X = B (Conjugate transpose)
[in]	n	INTEGER The order of the matrix A. N >= 0.
[in]	nrhs	INTEGER The number of right hand sides, i.e., the number of columns of the matrix B. NRHS >= 0.
[in]	dA	COMPLEX array on the GPU, dimension (LDDA,N) The factors L and U from the factorization A = P*L*U as computed by CGETRF_GPU.
[in]	ldda	INTEGER The leading dimension of the array A. LDDA >= max(1,N).
[in,out]	dB	COMPLEX array on the GPU, dimension (LDDB,NRHS) On entry, the right hand side matrix B. On exit, the solution matrix X.
[in]	lddb	INTEGER The leading dimension of the array B. LDDB >= max(1,N).
[out]	info	INTEGER = 0: successful exit < 0: if INFO = -i, the i-th argument had an illegal value

magma_dgetrs_nopiv_gpu()

magma_int_t magma_dgetrs_nopiv_gpu	(	magma_trans_t	trans,
		magma_int_t	n,
		magma_int_t	nrhs,
		magmaDouble_ptr	dA,
		magma_int_t	ldda,
		magmaDouble_ptr	dB,
		magma_int_t	lddb,
		magma_int_t *	info )

DGETRS solves a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general N-by-N matrix A using the LU factorization computed by DGETRF_NOPIV_GPU.

Parameters

[in]	trans	magma_trans_t Specifies the form of the system of equations: = MagmaNoTrans: A * X = B (No transpose) = MagmaTrans: A**T * X = B (Transpose) = MagmaConjTrans: A**H * X = B (Conjugate transpose)
[in]	n	INTEGER The order of the matrix A. N >= 0.
[in]	nrhs	INTEGER The number of right hand sides, i.e., the number of columns of the matrix B. NRHS >= 0.
[in]	dA	DOUBLE PRECISION array on the GPU, dimension (LDDA,N) The factors L and U from the factorization A = P*L*U as computed by DGETRF_GPU.
[in]	ldda	INTEGER The leading dimension of the array A. LDDA >= max(1,N).
[in,out]	dB	DOUBLE PRECISION array on the GPU, dimension (LDDB,NRHS) On entry, the right hand side matrix B. On exit, the solution matrix X.
[in]	lddb	INTEGER The leading dimension of the array B. LDDB >= max(1,N).
[out]	info	INTEGER = 0: successful exit < 0: if INFO = -i, the i-th argument had an illegal value

magma_sgetrs_nopiv_gpu()

magma_int_t magma_sgetrs_nopiv_gpu	(	magma_trans_t	trans,
		magma_int_t	n,
		magma_int_t	nrhs,
		magmaFloat_ptr	dA,
		magma_int_t	ldda,
		magmaFloat_ptr	dB,
		magma_int_t	lddb,
		magma_int_t *	info )

SGETRS solves a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general N-by-N matrix A using the LU factorization computed by SGETRF_NOPIV_GPU.

Parameters

[in]	trans	magma_trans_t Specifies the form of the system of equations: = MagmaNoTrans: A * X = B (No transpose) = MagmaTrans: A**T * X = B (Transpose) = MagmaConjTrans: A**H * X = B (Conjugate transpose)
[in]	n	INTEGER The order of the matrix A. N >= 0.
[in]	nrhs	INTEGER The number of right hand sides, i.e., the number of columns of the matrix B. NRHS >= 0.
[in]	dA	REAL array on the GPU, dimension (LDDA,N) The factors L and U from the factorization A = P*L*U as computed by SGETRF_GPU.
[in]	ldda	INTEGER The leading dimension of the array A. LDDA >= max(1,N).
[in,out]	dB	REAL array on the GPU, dimension (LDDB,NRHS) On entry, the right hand side matrix B. On exit, the solution matrix X.
[in]	lddb	INTEGER The leading dimension of the array B. LDDB >= max(1,N).
[out]	info	INTEGER = 0: successful exit < 0: if INFO = -i, the i-th argument had an illegal value

magma_zgetrs_nopiv_gpu()

magma_int_t magma_zgetrs_nopiv_gpu	(	magma_trans_t	trans,
		magma_int_t	n,
		magma_int_t	nrhs,
		magmaDoubleComplex_ptr	dA,
		magma_int_t	ldda,
		magmaDoubleComplex_ptr	dB,
		magma_int_t	lddb,
		magma_int_t *	info )

ZGETRS solves a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general N-by-N matrix A using the LU factorization computed by ZGETRF_NOPIV_GPU.

Parameters

[in]	trans	magma_trans_t Specifies the form of the system of equations: = MagmaNoTrans: A * X = B (No transpose) = MagmaTrans: A**T * X = B (Transpose) = MagmaConjTrans: A**H * X = B (Conjugate transpose)
[in]	n	INTEGER The order of the matrix A. N >= 0.
[in]	nrhs	INTEGER The number of right hand sides, i.e., the number of columns of the matrix B. NRHS >= 0.
[in]	dA	COMPLEX_16 array on the GPU, dimension (LDDA,N) The factors L and U from the factorization A = P*L*U as computed by ZGETRF_GPU.
[in]	ldda	INTEGER The leading dimension of the array A. LDDA >= max(1,N).
[in,out]	dB	COMPLEX_16 array on the GPU, dimension (LDDB,NRHS) On entry, the right hand side matrix B. On exit, the solution matrix X.
[in]	lddb	INTEGER The leading dimension of the array B. LDDB >= max(1,N).
[out]	info	INTEGER = 0: successful exit < 0: if INFO = -i, the i-th argument had an illegal value