LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_clacrm_work()

lapack_int LAPACKE_clacrm_work ( int  matrix_layout,
lapack_int  m,
lapack_int  n,
const lapack_complex_float a,
lapack_int  lda,
const float *  b,
lapack_int  ldb,
lapack_complex_float c,
lapack_int  ldc,
float *  work 
)

Definition at line 36 of file lapacke_clacrm_work.c.

41 {
42  lapack_int info = 0;
43  if (matrix_layout == LAPACK_COL_MAJOR) {
44  /* Call LAPACK function */
45  LAPACK_clacrm(&m, &n, a, &lda, b, &ldb, c, &ldc, rwork);
46  } else if (matrix_layout == LAPACK_ROW_MAJOR) {
47  lapack_int lda_t = MAX(1,m);
48  lapack_int ldb_t = MAX(1,n);
49  lapack_int ldc_t = MAX(1,m);
50  lapack_complex_float* a_t = NULL;
51  float* b_t = NULL;
52  lapack_complex_float* c_t = NULL;
53  /* Check leading dimension(s) */
54  if( lda < n ) {
55  info = -5;
56  LAPACKE_xerbla( "LAPACKE_clacrm_work", info );
57  return info;
58  }
59  if( ldb < n ) {
60  info = -7;
61  LAPACKE_xerbla( "LAPACKE_clacrm_work", info );
62  return info;
63  }
64  if( ldc < n ) {
65  info = -9;
66  LAPACKE_xerbla( "LAPACKE_clacrm_work", info );
67  return info;
68  }
69  /* Allocate memory for temporary array(s) */
70  a_t = (lapack_complex_float*)
71  LAPACKE_malloc(sizeof(lapack_complex_float) * lda_t * MAX(1,n));
72  b_t = (float*)
73  LAPACKE_malloc(sizeof(float) * ldb_t * MAX(1,n));
74  c_t = (lapack_complex_float*)
75  LAPACKE_malloc((sizeof(lapack_complex_float) * ldc_t * MAX(1,n)));
76  if (a_t == NULL) {
78  goto exit_level_0;
79  }
80  if (b_t == NULL) {
82  goto exit_level_1;
83  }
84  if (c_t == NULL) {
86  goto exit_level_2;
87  }
88  /* Transpose input matrices */
89  LAPACKE_cge_trans(matrix_layout, m, n, a, lda, a_t, lda_t);
90  LAPACKE_sge_trans(matrix_layout, n, n, b, ldb, b_t, ldb_t);
91  /* Call LAPACK function */
92  LAPACK_clacrm(&m, &n, a_t, &lda_t, b_t, &ldb_t, c_t, &ldc_t, rwork);
93  /* Transpose output matrices */
94  LAPACKE_cge_trans(LAPACK_COL_MAJOR, m, n, c_t, ldc_t, c, ldc);
95  /* Release memory and exit */
96  LAPACKE_free(c_t);
97 exit_level_2:
98  LAPACKE_free(b_t);
99 exit_level_1:
100  LAPACKE_free(a_t);
101 exit_level_0:
102  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
103  LAPACKE_xerbla( "LAPACKE_clacrm_work", info );
104  }
105  } else {
106  info = -1;
107  LAPACKE_xerbla("LAPACKE_clacrm_work", -1);
108  }
109  return info;
110 }
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 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
void LAPACK_clacrm(lapack_int *m, lapack_int *n, const lapack_complex_float *a, lapack_int *lda, const float *b, lapack_int *ldb, lapack_complex_float *c, lapack_int *ldc, float *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
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123
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