LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_csyswapr_work()

lapack_int LAPACKE_csyswapr_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_complex_float a,
lapack_int  lda,
lapack_int  i1,
lapack_int  i2 
)

Definition at line 35 of file lapacke_csyswapr_work.c.

38 {
39  lapack_int info = 0;
40  if( matrix_layout == LAPACK_COL_MAJOR ) {
41  /* Call LAPACK function and adjust info */
42  LAPACK_csyswapr( &uplo, &n, a, &lda, &i1, &i2 );
43  if( info < 0 ) {
44  info = info - 1;
45  }
46  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
47  lapack_int lda_t = MAX(1,n);
48  lapack_complex_float* a_t = NULL;
49  /* Allocate memory for temporary array(s) */
50  a_t = (lapack_complex_float*)
51  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
52  if( a_t == NULL ) {
54  goto exit_level_0;
55  }
56  /* Transpose input matrices */
57  LAPACKE_csy_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
58  /* Call LAPACK function and adjust info */
59  LAPACK_csyswapr( &uplo, &n, a_t, &lda_t, &i1, &i2 );
60  info = 0; /* LAPACK call is ok! */
61  /* Transpose output matrices */
62  LAPACKE_csy_trans( LAPACK_COL_MAJOR, uplo, n, a_t, lda_t, a, lda );
63  /* Release memory and exit */
64  LAPACKE_free( a_t );
65 exit_level_0:
66  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
67  LAPACKE_xerbla( "LAPACKE_csyswapr_work", info );
68  }
69  } else {
70  info = -1;
71  LAPACKE_xerbla( "LAPACKE_csyswapr_work", info );
72  }
73  return info;
74 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_csyswapr(...)
Definition: lapack.h:18361
#define lapack_complex_float
Definition: lapack.h:45
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
void LAPACKE_xerbla(const char *name, lapack_int info)
void LAPACKE_csy_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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