LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_dsytrs_aa()

lapack_int LAPACKE_dsytrs_aa ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
const double *  a,
lapack_int  lda,
const lapack_int ipiv,
double *  b,
lapack_int  ldb 
)

Definition at line 35 of file lapacke_dsytrs_aa.c.

38{
39 lapack_int info = 0;
40 lapack_int lwork = -1;
41 double* work = NULL;
42 double work_query;
43 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44 LAPACKE_xerbla( "LAPACKE_dsytrs_aa", -1 );
45 return -1;
46 }
47#ifndef LAPACK_DISABLE_NAN_CHECK
48 if( LAPACKE_get_nancheck() ) {
49 /* Optionally check input matrices for NaNs */
50 if( LAPACKE_dsy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
51 return -5;
52 }
53 if( LAPACKE_dge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
54 return -8;
55 }
56 }
57#endif
58 /* Query optimal working array(s) size */
59 info = LAPACKE_dsytrs_aa_work( matrix_layout, uplo, n, nrhs, a, lda, ipiv, b,
60 ldb, &work_query, lwork );
61 if( info != 0 ) {
62 goto exit_level_0;
63 }
64 lwork = (lapack_int)work_query;
65 /* Allocate memory for work arrays */
66 work = (double*)
67 LAPACKE_malloc( sizeof(double) * lwork );
68 if( work == NULL ) {
70 goto exit_level_0;
71 }
72 /* Call middle-level interface */
73 info = LAPACKE_dsytrs_aa_work( matrix_layout, uplo, n, nrhs, a, lda, ipiv, b,
74 ldb, work, lwork );
75 /* Release memory and exit */
76 LAPACKE_free( work );
77exit_level_0:
78 if( info == LAPACK_WORK_MEMORY_ERROR ) {
79 LAPACKE_xerbla( "LAPACKE_dsytrs_aa", info );
80 }
81 return info;
82}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_int LAPACKE_dsytrs_aa_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const double *a, lapack_int lda, const lapack_int *ipiv, double *b, lapack_int ldb, double *work, lapack_int lwork)
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_dsy_nancheck(int matrix_layout, char uplo, lapack_int n, const double *a, lapack_int lda)
lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda)
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