LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_clanhe_work()

float LAPACKE_clanhe_work ( int  matrix_layout,
char  norm,
char  uplo,
lapack_int  n,
const lapack_complex_float a,
lapack_int  lda,
float *  work 
)

Definition at line 35 of file lapacke_clanhe_work.c.

38 {
39  lapack_int info = 0;
40  float res = 0.;
41  if( matrix_layout == LAPACK_COL_MAJOR ) {
42  /* Call LAPACK function and adjust info */
43  res = LAPACK_clanhe( &norm, &uplo, &n, a, &lda, work );
44  if( info < 0 ) {
45  info = info - 1;
46  }
47  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
48  lapack_int lda_t = MAX(1,n);
49  lapack_complex_float* a_t = NULL;
50  /* Check leading dimension(s) */
51  if( lda < n ) {
52  info = -6;
53  LAPACKE_xerbla( "LAPACKE_clanhe_work", info );
54  return info;
55  }
56  /* Allocate memory for temporary array(s) */
57  a_t = (lapack_complex_float*)
58  LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
59  if( a_t == NULL ) {
61  goto exit_level_0;
62  }
63  /* Transpose input matrices */
64  LAPACKE_che_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
65  /* Call LAPACK function and adjust info */
66  res = LAPACK_clanhe( &norm, &uplo, &n, a_t, &lda_t, work );
67  info = 0; /* LAPACK call is ok! */
68  /* Release memory and exit */
69  LAPACKE_free( a_t );
70 exit_level_0:
71  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
72  LAPACKE_xerbla( "LAPACKE_clanhe_work", info );
73  }
74  } else {
75  info = -1;
76  LAPACKE_xerbla( "LAPACKE_clanhe_work", info );
77  }
78  return res;
79 }
#define LAPACK_clanhe(...)
Definition: lapack.h:9721
#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_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 MAX(x, y)
Definition: lapacke_utils.h:46
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