LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapack_int LAPACKE_csytrs2 ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
const lapack_complex_float a,
lapack_int  lda,
const lapack_int ipiv,
lapack_complex_float b,
lapack_int  ldb 
)

Definition at line 36 of file lapacke_csytrs2.c.

40 {
41  lapack_int info = 0;
42  lapack_complex_float* work = NULL;
43  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44  LAPACKE_xerbla( "LAPACKE_csytrs2", -1 );
45  return -1;
46  }
47 #ifndef LAPACK_DISABLE_NAN_CHECK
48  /* Optionally check input matrices for NaNs */
49  if( LAPACKE_csy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
50  return -5;
51  }
52  if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
53  return -8;
54  }
55 #endif
56  /* Allocate memory for working array(s) */
57  work = (lapack_complex_float*)
58  LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
59  if( work == NULL ) {
61  goto exit_level_0;
62  }
63  /* Call middle-level interface */
64  info = LAPACKE_csytrs2_work( matrix_layout, uplo, n, nrhs, a, lda, ipiv, b,
65  ldb, work );
66  /* Release memory and exit */
67  LAPACKE_free( work );
68 exit_level_0:
69  if( info == LAPACK_WORK_MEMORY_ERROR ) {
70  LAPACKE_xerbla( "LAPACKE_csytrs2", info );
71  }
72  return info;
73 }
lapack_int LAPACKE_csytrs2_work(int matrix_layout, char uplo, lapack_int n, lapack_int nrhs, const lapack_complex_float *a, lapack_int lda, const lapack_int *ipiv, lapack_complex_float *b, lapack_int ldb, lapack_complex_float *work)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#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 MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_free(p)
Definition: lapacke.h:113
#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

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