LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ctrcon_work()

lapack_int LAPACKE_ctrcon_work ( int  matrix_layout,
char  norm,
char  uplo,
char  diag,
lapack_int  n,
const lapack_complex_float a,
lapack_int  lda,
float *  rcond,
lapack_complex_float work,
float *  rwork 
)

Definition at line 35 of file lapacke_ctrcon_work.c.

40 {
41  lapack_int info = 0;
42  if( matrix_layout == LAPACK_COL_MAJOR ) {
43  /* Call LAPACK function and adjust info */
44  LAPACK_ctrcon( &norm, &uplo, &diag, &n, a, &lda, rcond, work, rwork,
45  &info );
46  if( info < 0 ) {
47  info = info - 1;
48  }
49  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
50  lapack_int lda_t = MAX(1,n);
51  lapack_complex_float* a_t = NULL;
52  /* Check leading dimension(s) */
53  if( lda < n ) {
54  info = -7;
55  LAPACKE_xerbla( "LAPACKE_ctrcon_work", info );
56  return info;
57  }
58  /* Allocate memory for temporary array(s) */
59  a_t = (lapack_complex_float*)
60  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
61  if( a_t == NULL ) {
63  goto exit_level_0;
64  }
65  /* Transpose input matrices */
66  LAPACKE_ctr_trans( matrix_layout, uplo, diag, n, a, lda, a_t, lda_t );
67  /* Call LAPACK function and adjust info */
68  LAPACK_ctrcon( &norm, &uplo, &diag, &n, a_t, &lda_t, rcond, work, rwork,
69  &info );
70  if( info < 0 ) {
71  info = info - 1;
72  }
73  /* Release memory and exit */
74  LAPACKE_free( a_t );
75 exit_level_0:
76  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
77  LAPACKE_xerbla( "LAPACKE_ctrcon_work", info );
78  }
79  } else {
80  info = -1;
81  LAPACKE_xerbla( "LAPACKE_ctrcon_work", info );
82  }
83  return info;
84 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_ctrcon(...)
Definition: lapack.h:21345
#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)
#define MAX(x, y)
Definition: lapacke_utils.h:46
void LAPACKE_ctr_trans(int matrix_layout, char uplo, char diag, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
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