LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_clacp2_work()

lapack_int LAPACKE_clacp2_work ( int  matrix_layout,
char  uplo,
lapack_int  m,
lapack_int  n,
const float *  a,
lapack_int  lda,
lapack_complex_float b,
lapack_int  ldb 
)

Definition at line 36 of file lapacke_clacp2_work.c.

39 {
40  lapack_int info = 0;
41  if( matrix_layout == LAPACK_COL_MAJOR ) {
42  /* Call LAPACK function and adjust info */
43  LAPACK_clacp2( &uplo, &m, &n, a, &lda, b, &ldb );
44  if( info < 0 ) {
45  info = info - 1;
46  }
47  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
48  lapack_int lda_t = MAX(1,m);
49  lapack_int ldb_t = MAX(1,m);
50  float* a_t = NULL;
51  lapack_complex_float* b_t = NULL;
52  /* Check leading dimension(s) */
53  if( lda < n ) {
54  info = -6;
55  LAPACKE_xerbla( "LAPACKE_clacp2_work", info );
56  return info;
57  }
58  if( ldb < n ) {
59  info = -8;
60  LAPACKE_xerbla( "LAPACKE_clacp2_work", info );
61  return info;
62  }
63  /* Allocate memory for temporary array(s) */
64  a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) );
65  if( a_t == NULL ) {
67  goto exit_level_0;
68  }
69  b_t = (lapack_complex_float*)
70  LAPACKE_malloc( sizeof(lapack_complex_float) * ldb_t * MAX(1,n) );
71  if( b_t == NULL ) {
73  goto exit_level_1;
74  }
75  /* Transpose input matrices */
76  LAPACKE_sge_trans( matrix_layout, m, n, a, lda, a_t, lda_t );
77  /* Call LAPACK function and adjust info */
78  LAPACK_clacp2( &uplo, &m, &n, a_t, &lda_t, b_t, &ldb_t );
79  info = 0; /* LAPACK call is ok! */
80  /* Transpose output matrices */
81  LAPACKE_cge_trans( LAPACK_COL_MAJOR, m, n, b_t, ldb_t, b, ldb );
82  /* Release memory and exit */
83  LAPACKE_free( b_t );
84 exit_level_1:
85  LAPACKE_free( a_t );
86 exit_level_0:
87  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
88  LAPACKE_xerbla( "LAPACKE_clacp2_work", info );
89  }
90  } else {
91  info = -1;
92  LAPACKE_xerbla( "LAPACKE_clacp2_work", info );
93  }
94  return info;
95 }
void LAPACKE_cge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define lapack_complex_float
Definition: lapacke.h:74
void LAPACK_clacp2(char *uplo, lapack_int *m, lapack_int *n, const float *a, lapack_int *lda, lapack_complex_float *b, lapack_int *ldb)
void LAPACKE_sge_trans(int matrix_layout, lapack_int m, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#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
#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: