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/*
-- MAGMA (version 2.9.0) --
Univ. of Tennessee, Knoxville
Univ. of California, Berkeley
Univ. of Colorado, Denver
@date January 2025
@generated from magmablas/ztrsm_vbatched.cpp, normal z -> s, Wed Jan 22 14:42:09 2025
@author Ahmad Abdelfattah
*/
#include "magma_internal.h"
#include "commonblas_s.h"
#define PRECISION_s
/******************************************************************************/
extern "C" void
magmablas_strsm_vbatched_max_nocheck(
magma_side_t side, magma_uplo_t uplo, magma_trans_t transA, magma_diag_t diag,
magma_int_t max_m, magma_int_t max_n, magma_int_t* m, magma_int_t* n,
float alpha,
float **dA_array, magma_int_t* ldda,
float **dB_array, magma_int_t* lddb,
magma_int_t batchCount, magma_queue_t queue )
{
if ( max_m <= 0 || max_n <= 0 )
return;
magmablas_strsm_vbatched_core(
side, uplo, transA, diag,
max_m, max_n, m, n,
alpha, dA_array, 0, 0, ldda,
dB_array, 0, 0, lddb,
batchCount, queue );
}
/******************************************************************************/
extern "C" void
magmablas_strsm_vbatched_max(
magma_side_t side, magma_uplo_t uplo, magma_trans_t transA, magma_diag_t diag,
magma_int_t max_m, magma_int_t max_n, magma_int_t* m, magma_int_t* n,
float alpha,
float** dA_array, magma_int_t* ldda,
float** dB_array, magma_int_t* lddb,
magma_int_t batchCount, magma_queue_t queue)
{
magma_int_t info = 0;
info = magma_trsm_vbatched_checker(side, uplo, transA, diag, m, n, ldda, lddb, batchCount, queue);
if (info != 0) {
magma_xerbla( __func__, -(info) );
return;
}
magmablas_strsm_vbatched_max_nocheck(
side, uplo, transA, diag,
max_m, max_n, m, n, alpha,
dA_array, ldda,
dB_array, lddb,
batchCount, queue);
}
/******************************************************************************/
extern "C" void
magmablas_strsm_vbatched_nocheck(
magma_side_t side, magma_uplo_t uplo, magma_trans_t transA, magma_diag_t diag,
magma_int_t* m, magma_int_t* n,
float alpha,
float** dA_array, magma_int_t* ldda,
float** dB_array, magma_int_t* lddb,
magma_int_t batchCount, magma_queue_t queue)
{
// compute the max. dimensions
magma_imax_size_2(m, n, batchCount, queue);
magma_int_t max_m, max_n;
magma_getvector(1, sizeof(magma_int_t), &m[batchCount], 1, &max_m, 1, queue);
magma_getvector(1, sizeof(magma_int_t), &n[batchCount], 1, &max_n, 1, queue);
magmablas_strsm_vbatched_max_nocheck(
side, uplo, transA, diag,
max_m, max_n, m, n, alpha,
dA_array, ldda,
dB_array, lddb,
batchCount, queue);
}
/***************************************************************************//**
Purpose
-------
strsm solves one of the matrix equations on gpu
op(A)*X = alpha*B, or
X*op(A) = alpha*B,
where alpha is a scalar, X and B are m by n matrices, 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 matrix X is overwritten on B.
This is an asynchronous version of magmablas_strsm with flag,
d_dinvA and dX workspaces as arguments.
Arguments
----------
@param[in]
side magma_side_t.
On entry, side specifies whether op(A) appears on the left
or right of X as follows:
- = MagmaLeft: op(A)*X = alpha*B.
- = MagmaRight: X*op(A) = alpha*B.
@param[in]
uplo magma_uplo_t.
On entry, uplo specifies whether the matrix A is an upper or
lower triangular matrix as follows:
- = MagmaUpper: A is an upper triangular matrix.
- = MagmaLower: A is a lower triangular matrix.
@param[in]
transA magma_trans_t.
On entry, transA specifies the form of op(A) to be used in
the matrix multiplication as follows:
- = MagmaNoTrans: op(A) = A.
- = MagmaTrans: op(A) = A^T.
- = MagmaConjTrans: op(A) = A^H.
@param[in]
diag magma_diag_t.
On entry, diag specifies whether or not A is unit triangular
as follows:
- = MagmaUnit: A is assumed to be unit triangular.
- = MagmaNonUnit: A is not assumed to be unit triangular.
@param[in]
m INTEGER array, dimension(batchCount + 1).
On entry, each element M specifies the number of rows of
the corresponding B. M >= 0.
@param[in]
n INTEGER array, dimension(batchCount + 1).
On entry, each element N specifies the number of columns of
the corresponding B. N >= 0.
@param[in]
alpha REAL.
On entry, alpha specifies the scalar alpha. When alpha is
zero then A is not referenced and B need not be set before
entry.
@param[in]
dA_array Array of pointers, dimension (batchCount).
Each is a REAL array A of dimension ( LDDA, k ), where k is M
when side = MagmaLeft and is N when side = MagmaRight.
Before entry with uplo = MagmaUpper, the leading k by k
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 k by k
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.
@param[in]
ldda INTEGER array, dimension(batchCount + 1).
On entry, each element LDDA specifies the first dimension of each array A.
When side = MagmaLeft, LDDA >= max( 1, M ),
when side = MagmaRight, LDDA >= max( 1, N ).
@param[in,out]
dB_array Array of pointers, dimension (batchCount).
Each is a REAL array B of dimension ( LDDB, N ).
Before entry, the leading M by N part of the array B must
contain the right-hand side matrix B.
\n
On exit, the solution matrix X
@param[in]
lddb INTEGER array, dimension(batchCount + 1).
On entry, LDDB specifies the first dimension of each array B.
lddb >= max( 1, M ).
@param[in]
batchCount INTEGER
The number of matrices to operate on.
@param[in]
queue magma_queue_t
Queue to execute in.
@ingroup magma_trsm_batched
*******************************************************************************/
extern "C" void
magmablas_strsm_vbatched(
magma_side_t side, magma_uplo_t uplo, magma_trans_t transA, magma_diag_t diag,
magma_int_t* m, magma_int_t* n,
float alpha,
float** dA_array, magma_int_t* ldda,
float** dB_array, magma_int_t* lddb,
magma_int_t batchCount,
magma_queue_t queue)
{
magma_int_t info = 0;
info = magma_trsm_vbatched_checker(side, uplo, transA, diag, m, n, ldda, lddb, batchCount, queue);
if (info != 0) {
magma_xerbla( __func__, -(info) );
return;
}
// compute the max. dimensions
magma_imax_size_2(m, n, batchCount, queue);
magma_int_t max_m, max_n;
magma_getvector(1, sizeof(magma_int_t), &m[batchCount], 1, &max_m, 1, queue);
magma_getvector(1, sizeof(magma_int_t), &n[batchCount], 1, &max_n, 1, queue);
magmablas_strsm_vbatched_max_nocheck(
side, uplo, transA, diag,
max_m, max_n, m, n, alpha,
dA_array, ldda,
dB_array, lddb,
batchCount, queue);
}
/******************************************************************************/
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