LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zhetrs2()

lapack_int LAPACKE_zhetrs2 ( 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_zhetrs2.c.

40 {
41  lapack_int info = 0;
42  lapack_complex_double* work = NULL;
43  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44  LAPACKE_xerbla( "LAPACKE_zhetrs2", -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_zhe_nancheck( matrix_layout, uplo, n, a, lda ) ) {
51  return -5;
52  }
53  if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
54  return -8;
55  }
56  }
57 #endif
58  /* Allocate memory for working array(s) */
59  work = (lapack_complex_double*)
60  LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,n) );
61  if( work == NULL ) {
63  goto exit_level_0;
64  }
65  /* Call middle-level interface */
66  info = LAPACKE_zhetrs2_work( matrix_layout, uplo, n, nrhs, a, lda, ipiv, b,
67  ldb, work );
68  /* Release memory and exit */
69  LAPACKE_free( work );
70 exit_level_0:
71  if( info == LAPACK_WORK_MEMORY_ERROR ) {
72  LAPACKE_xerbla( "LAPACKE_zhetrs2", info );
73  }
74  return info;
75 }
lapack_logical LAPACKE_zhe_nancheck(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *a, lapack_int lda)
#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 MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_int LAPACKE_zhetrs2_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)
#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)
int LAPACKE_get_nancheck()
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