LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapacke_ctzrzf_work.c
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28 *****************************************************************************
29 * Contents: Native middle-level C interface to LAPACK function ctzrzf
30 * Author: Intel Corporation
31 * Generated November 2015
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
39  lapack_complex_float* work, lapack_int lwork )
40 {
41  lapack_int info = 0;
42  if( matrix_layout == LAPACK_COL_MAJOR ) {
43  /* Call LAPACK function and adjust info */
44  LAPACK_ctzrzf( &m, &n, a, &lda, tau, work, &lwork, &info );
45  if( info < 0 ) {
46  info = info - 1;
47  }
48  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
49  lapack_int lda_t = MAX(1,m);
50  lapack_complex_float* a_t = NULL;
51  /* Check leading dimension(s) */
52  if( lda < n ) {
53  info = -5;
54  LAPACKE_xerbla( "LAPACKE_ctzrzf_work", info );
55  return info;
56  }
57  /* Query optimal working array(s) size if requested */
58  if( lwork == -1 ) {
59  LAPACK_ctzrzf( &m, &n, a, &lda_t, tau, work, &lwork, &info );
60  return (info < 0) ? (info - 1) : info;
61  }
62  /* Allocate memory for temporary array(s) */
63  a_t = (lapack_complex_float*)
64  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
65  if( a_t == NULL ) {
67  goto exit_level_0;
68  }
69  /* Transpose input matrices */
70  LAPACKE_cge_trans( matrix_layout, m, n, a, lda, a_t, lda_t );
71  /* Call LAPACK function and adjust info */
72  LAPACK_ctzrzf( &m, &n, a_t, &lda_t, tau, work, &lwork, &info );
73  if( info < 0 ) {
74  info = info - 1;
75  }
76  /* Transpose output matrices */
77  LAPACKE_cge_trans( LAPACK_COL_MAJOR, m, n, a_t, lda_t, a, lda );
78  /* Release memory and exit */
79  LAPACKE_free( a_t );
80 exit_level_0:
81  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
82  LAPACKE_xerbla( "LAPACKE_ctzrzf_work", info );
83  }
84  } else {
85  info = -1;
86  LAPACKE_xerbla( "LAPACKE_ctzrzf_work", info );
87  }
88  return info;
89 }
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 lapack_complex_float
Definition: lapacke.h:74
lapack_int LAPACKE_ctzrzf_work(int matrix_layout, lapack_int m, lapack_int n, lapack_complex_float *a, lapack_int lda, lapack_complex_float *tau, lapack_complex_float *work, lapack_int lwork)
#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
#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
void LAPACK_ctzrzf(lapack_int *m, lapack_int *n, lapack_complex_float *a, lapack_int *lda, lapack_complex_float *tau, lapack_complex_float *work, lapack_int *lwork, lapack_int *info)