LAPACK  3.9.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_csyrfs()

lapack_int LAPACKE_csyrfs ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
const lapack_complex_float a,
lapack_int  lda,
const lapack_complex_float af,
lapack_int  ldaf,
const lapack_int ipiv,
const lapack_complex_float b,
lapack_int  ldb,
lapack_complex_float x,
lapack_int  ldx,
float *  ferr,
float *  berr 
)

Definition at line 35 of file lapacke_csyrfs.c.

43 {
44  lapack_int info = 0;
45  float* rwork = NULL;
46  lapack_complex_float* work = NULL;
47  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
48  LAPACKE_xerbla( "LAPACKE_csyrfs", -1 );
49  return -1;
50  }
51 #ifndef LAPACK_DISABLE_NAN_CHECK
52  if( LAPACKE_get_nancheck() ) {
53  /* Optionally check input matrices for NaNs */
54  if( LAPACKE_csy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
55  return -5;
56  }
57  if( LAPACKE_csy_nancheck( matrix_layout, uplo, n, af, ldaf ) ) {
58  return -7;
59  }
60  if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
61  return -10;
62  }
63  if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
64  return -12;
65  }
66  }
67 #endif
68  /* Allocate memory for working array(s) */
69  rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
70  if( rwork == NULL ) {
72  goto exit_level_0;
73  }
74  work = (lapack_complex_float*)
75  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
76  if( work == NULL ) {
78  goto exit_level_1;
79  }
80  /* Call middle-level interface */
81  info = LAPACKE_csyrfs_work( matrix_layout, uplo, n, nrhs, a, lda, af, ldaf,
82  ipiv, b, ldb, x, ldx, ferr, berr, work, rwork );
83  /* Release memory and exit */
84  LAPACKE_free( work );
85 exit_level_1:
86  LAPACKE_free( rwork );
87 exit_level_0:
88  if( info == LAPACK_WORK_MEMORY_ERROR ) {
89  LAPACKE_xerbla( "LAPACKE_csyrfs", info );
90  }
91  return info;
Here is the call graph for this function:
LAPACKE_free
#define LAPACKE_free(p)
Definition: lapacke.h:47
lapack_int
#define lapack_int
Definition: lapack.h:21
LAPACK_WORK_MEMORY_ERROR
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:56
LAPACKE_csy_nancheck
lapack_logical LAPACKE_csy_nancheck(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *a, lapack_int lda)
Definition: lapacke_csy_nancheck.c:36
LAPACKE_xerbla
void LAPACKE_xerbla(const char *name, lapack_int info)
Definition: lapacke_xerbla.c:36
LAPACKE_cge_nancheck
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
Definition: lapacke_cge_nancheck.c:36
MAX
#define MAX(x, y)
Definition: lapacke_utils.h:47
lapack_complex_float
#define lapack_complex_float
Definition: lapack.h:56
LAPACKE_csyrfs_work
lapack_int LAPACKE_csyrfs_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const lapack_complex_float *a, lapack_int lda, const lapack_complex_float *af, lapack_int ldaf, const lapack_int *ipiv, const lapack_complex_float *b, lapack_int ldb, lapack_complex_float *x, lapack_int ldx, float *ferr, float *berr, lapack_complex_float *work, float *rwork)
Definition: lapacke_csyrfs_work.c:35
LAPACKE_malloc
#define LAPACKE_malloc(size)
Definition: lapacke.h:44
LAPACKE_get_nancheck
int LAPACKE_get_nancheck()
Definition: lapacke_nancheck.c:42
LAPACK_ROW_MAJOR
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:53
LAPACK_COL_MAJOR
#define LAPACK_COL_MAJOR
Definition: lapacke.h:54