LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapack_int LAPACKE_zsyswapr_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_complex_double a,
lapack_int  lda,
lapack_int  i1,
lapack_int  i2 
)

Definition at line 36 of file lapacke_zsyswapr_work.c.

39 {
40  lapack_int info = 0;
41  if( matrix_layout == LAPACK_COL_MAJOR ) {
42  /* Call LAPACK function and adjust info */
43  LAPACK_zsyswapr( &uplo, &n, a, &lda, &i1, &i2 );
44  if( info < 0 ) {
45  info = info - 1;
46  }
47  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
48  lapack_int lda_t = MAX(1,n);
49  lapack_complex_double* a_t = NULL;
50  /* Allocate memory for temporary array(s) */
51  a_t = (lapack_complex_double*)
52  LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
53  if( a_t == NULL ) {
55  goto exit_level_0;
56  }
57  /* Transpose input matrices */
58  LAPACKE_zsy_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
59  /* Call LAPACK function and adjust info */
60  LAPACK_zsyswapr( &uplo, &n, a_t, &lda_t, &i1, &i2 );
61  info = 0; /* LAPACK call is ok! */
62  /* Transpose output matrices */
63  LAPACKE_zsy_trans( LAPACK_COL_MAJOR, uplo, n, a_t, lda_t, a, lda );
64  /* Release memory and exit */
65  LAPACKE_free( a_t );
66 exit_level_0:
67  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
68  LAPACKE_xerbla( "LAPACKE_zsyswapr_work", info );
69  }
70  } else {
71  info = -1;
72  LAPACKE_xerbla( "LAPACKE_zsyswapr_work", info );
73  }
74  return info;
75 }
void LAPACKE_zsy_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define lapack_complex_double
Definition: lapacke.h:90
#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
void LAPACK_zsyswapr(char *uplo, lapack_int *n, lapack_complex_double *a, lapack_int *lda, lapack_int *i1, lapack_int *i2)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123

Here is the call graph for this function:

Here is the caller graph for this function: