LAPACK  3.10.1
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 35 of file lapacke_clacrm_work.c.

40 {
41  lapack_int info = 0;
42  if (matrix_layout == LAPACK_COL_MAJOR) {
43  /* Call LAPACK function */
44  LAPACK_clacrm(&m, &n, a, &lda, b, &ldb, c, &ldc, rwork);
45  } else if (matrix_layout == LAPACK_ROW_MAJOR) {
46  lapack_int lda_t = MAX(1,m);
47  lapack_int ldb_t = MAX(1,n);
48  lapack_int ldc_t = MAX(1,m);
49  lapack_complex_float* a_t = NULL;
50  float* b_t = NULL;
51  lapack_complex_float* c_t = NULL;
52  /* Check leading dimension(s) */
53  if( lda < n ) {
54  info = -5;
55  LAPACKE_xerbla( "LAPACKE_clacrm_work", info );
56  return info;
57  }
58  if( ldb < n ) {
59  info = -7;
60  LAPACKE_xerbla( "LAPACKE_clacrm_work", info );
61  return info;
62  }
63  if( ldc < n ) {
64  info = -9;
65  LAPACKE_xerbla( "LAPACKE_clacrm_work", info );
66  return info;
67  }
68  /* Allocate memory for temporary array(s) */
69  a_t = (lapack_complex_float*)
70  LAPACKE_malloc(sizeof(lapack_complex_float) * lda_t * MAX(1,n));
71  b_t = (float*)
72  LAPACKE_malloc(sizeof(float) * ldb_t * MAX(1,n));
73  c_t = (lapack_complex_float*)
74  LAPACKE_malloc((sizeof(lapack_complex_float) * ldc_t * MAX(1,n)));
75  if (a_t == NULL) {
77  goto exit_level_0;
78  }
79  if (b_t == NULL) {
81  goto exit_level_1;
82  }
83  if (c_t == NULL) {
85  goto exit_level_2;
86  }
87  /* Transpose input matrices */
88  LAPACKE_cge_trans(matrix_layout, m, n, a, lda, a_t, lda_t);
89  LAPACKE_sge_trans(matrix_layout, n, n, b, ldb, b_t, ldb_t);
90  /* Call LAPACK function */
91  LAPACK_clacrm(&m, &n, a_t, &lda_t, b_t, &ldb_t, c_t, &ldc_t, rwork);
92  /* Transpose output matrices */
93  LAPACKE_cge_trans(LAPACK_COL_MAJOR, m, n, c_t, ldc_t, c, ldc);
94  /* Release memory and exit */
95  LAPACKE_free(c_t);
96 exit_level_2:
97  LAPACKE_free(b_t);
98 exit_level_1:
99  LAPACKE_free(a_t);
100 exit_level_0:
101  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
102  LAPACKE_xerbla( "LAPACKE_clacrm_work", info );
103  }
104  } else {
105  info = -1;
106  LAPACKE_xerbla("LAPACKE_clacrm_work", -1);
107  }
108  return info;
109 }
void LAPACK_clacrm(lapack_int const *m, lapack_int const *n, lapack_complex_float const *A, lapack_int const *lda, float const *B, lapack_int const *ldb, lapack_complex_float *C, lapack_int const *ldc, float *rwork)
#define lapack_int
Definition: lapack.h:83
#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_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:46
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)
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