LAPACK  3.8.0
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 36 of file lapacke_ctrcon_work.c.

41 {
42  lapack_int info = 0;
43  if( matrix_layout == LAPACK_COL_MAJOR ) {
44  /* Call LAPACK function and adjust info */
45  LAPACK_ctrcon( &norm, &uplo, &diag, &n, a, &lda, rcond, work, rwork,
46  &info );
47  if( info < 0 ) {
48  info = info - 1;
49  }
50  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
51  lapack_int lda_t = MAX(1,n);
52  lapack_complex_float* a_t = NULL;
53  /* Check leading dimension(s) */
54  if( lda < n ) {
55  info = -7;
56  LAPACKE_xerbla( "LAPACKE_ctrcon_work", info );
57  return info;
58  }
59  /* Allocate memory for temporary array(s) */
60  a_t = (lapack_complex_float*)
61  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
62  if( a_t == NULL ) {
64  goto exit_level_0;
65  }
66  /* Transpose input matrices */
67  LAPACKE_ctr_trans( matrix_layout, uplo, diag, n, a, lda, a_t, lda_t );
68  /* Call LAPACK function and adjust info */
69  LAPACK_ctrcon( &norm, &uplo, &diag, &n, a_t, &lda_t, rcond, work, rwork,
70  &info );
71  if( info < 0 ) {
72  info = info - 1;
73  }
74  /* Release memory and exit */
75  LAPACKE_free( a_t );
76 exit_level_0:
77  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
78  LAPACKE_xerbla( "LAPACKE_ctrcon_work", info );
79  }
80  } else {
81  info = -1;
82  LAPACKE_xerbla( "LAPACKE_ctrcon_work", info );
83  }
84  return info;
85 }
#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_ctrcon(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, lapack_int *info)
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)
#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
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