LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_csysv_rook()

lapack_int LAPACKE_csysv_rook ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
lapack_complex_float a,
lapack_int  lda,
lapack_int ipiv,
lapack_complex_float b,
lapack_int  ldb 
)

Definition at line 36 of file lapacke_csysv_rook.c.

40 {
41  lapack_int info = 0;
42  lapack_int lwork = -1;
43  lapack_complex_float* work = NULL;
44  lapack_complex_float work_query;
45  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46  LAPACKE_xerbla( "LAPACKE_csysv_rook", -1 );
47  return -1;
48  }
49 #ifndef LAPACK_DISABLE_NAN_CHECK
50  /* Optionally check input matrices for NaNs */
51  if( LAPACKE_csy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
52  return -5;
53  }
54  if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
55  return -8;
56  }
57 #endif
58  /* Query optimal working array(s) size */
59  info = LAPACKE_csysv_rook_work( matrix_layout, uplo, n, nrhs, a, lda, ipiv,
60  b, ldb, &work_query, lwork );
61  if( info != 0 ) {
62  goto exit_level_0;
63  }
64  lwork = LAPACK_C2INT( work_query );
65  /* Allocate memory for work arrays */
66  work = (lapack_complex_float*)
67  LAPACKE_malloc( sizeof(lapack_complex_float) * lwork );
68  if( work == NULL ) {
70  goto exit_level_0;
71  }
72  /* Call middle-level interface */
73  info = LAPACKE_csysv_rook_work( matrix_layout, uplo, n, nrhs, a, lda, ipiv,
74  b, 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_csysv_rook", info );
80  }
81  return info;
82 }
#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
lapack_int LAPACKE_csysv_rook_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, lapack_complex_float *a, lapack_int lda, lapack_int *ipiv, lapack_complex_float *b, lapack_int ldb, lapack_complex_float *work, lapack_int lwork)
#define lapack_complex_float
Definition: lapacke.h:74
lapack_logical LAPACKE_csy_nancheck(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *a, lapack_int lda)
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACK_C2INT(x)
Definition: lapacke.h:116
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
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