LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_checon_3_work()

lapack_int LAPACKE_checon_3_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
const lapack_complex_float a,
lapack_int  lda,
const lapack_complex_float e,
const lapack_int ipiv,
float  anorm,
float *  rcond,
lapack_complex_float work 
)

Definition at line 36 of file lapacke_checon_3_work.c.

41 {
42  lapack_int info = 0;
43  if( matrix_layout == LAPACK_COL_MAJOR ) {
44  /* Call LAPACK function and adjust info */
45  LAPACK_checon_3( &uplo, &n, a, &lda, e, ipiv, &anorm, rcond, work, &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 = -5;
55  LAPACKE_xerbla( "LAPACKE_checon_3_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_che_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
67  /* Call LAPACK function and adjust info */
68  LAPACK_checon_3( &uplo, &n, a_t, &lda_t, e, ipiv, &anorm, rcond, work,
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_checon_3_work", info );
78  }
79  } else {
80  info = -1;
81  LAPACKE_xerbla( "LAPACKE_checon_3_work", info );
82  }
83  return info;
84 }
void LAPACKE_che_trans(int matrix_layout, char uplo, 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
void LAPACK_checon_3(char *uplo, lapack_int *n, const lapack_complex_float *a, lapack_int *lda, const lapack_complex_float *e, const lapack_int *ipiv, float *anorm, float *rcond, lapack_complex_float *work, lapack_int *info)
#define lapack_complex_float
Definition: lapacke.h:74
#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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