LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zsytrs_aa()

lapack_int LAPACKE_zsytrs_aa ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
const lapack_complex_double a,
lapack_int  lda,
const lapack_int ipiv,
lapack_complex_double b,
lapack_int  ldb 
)

Definition at line 36 of file lapacke_zsytrs_aa.c.

40 {
41  lapack_int info = 0;
42  lapack_int lwork = -1;
43  lapack_complex_double* work = NULL;
44  lapack_complex_double work_query;
45  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46  LAPACKE_xerbla( "LAPACKE_zsytrs_aa", -1 );
47  return -1;
48  }
49 #ifndef LAPACK_DISABLE_NAN_CHECK
50  /* Optionally check input matrices for NaNs */
51  if( LAPACKE_zsy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
52  return -5;
53  }
54  if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
55  return -8;
56  }
57 #endif
58  /* Query optimal working array(s) size */
59  info = LAPACKE_zsytrs_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_Z2INT( work_query );
65  /* Allocate memory for work arrays */
66  work = (lapack_complex_double*)
67  LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
68  if( work == NULL ) {
70  goto exit_level_0;
71  }
72  /* Call middle-level interface */
73  info = LAPACKE_zsytrs_aa_work( matrix_layout, uplo, n, nrhs, a, lda, ipiv, b,
74  ldb, work, lwork );
75  /* Release memory and exit */
76  LAPACKE_free( work );
77 exit_level_0:
78  if( info == LAPACK_WORK_MEMORY_ERROR ) {
79  LAPACKE_xerbla( "LAPACKE_zsytrs_aa", info );
80  }
81  return info;
82 }
#define LAPACK_Z2INT(x)
Definition: lapacke.h:117
lapack_int LAPACKE_zsytrs_aa_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const lapack_complex_double *a, lapack_int lda, const lapack_int *ipiv, lapack_complex_double *b, lapack_int ldb, lapack_complex_double *work, lapack_int lwork)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_double
Definition: lapacke.h:90
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
lapack_logical LAPACKE_zsy_nancheck(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *a, lapack_int lda)
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