LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ztfttp_work()

lapack_int LAPACKE_ztfttp_work ( int  matrix_layout,
char  transr,
char  uplo,
lapack_int  n,
const lapack_complex_double arf,
lapack_complex_double ap 
)

Definition at line 35 of file lapacke_ztfttp_work.c.

38 {
39  lapack_int info = 0;
40  if( matrix_layout == LAPACK_COL_MAJOR ) {
41  /* Call LAPACK function and adjust info */
42  LAPACK_ztfttp( &transr, &uplo, &n, arf, ap, &info );
43  if( info < 0 ) {
44  info = info - 1;
45  }
46  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
47  lapack_complex_double* ap_t = NULL;
48  lapack_complex_double* arf_t = NULL;
49  /* Allocate memory for temporary array(s) */
50  ap_t = (lapack_complex_double*)
52  ( MAX(1,n) * MAX(2,n+1) ) / 2 );
53  if( ap_t == NULL ) {
55  goto exit_level_0;
56  }
57  arf_t = (lapack_complex_double*)
59  ( MAX(1,n) * MAX(2,n+1) ) / 2 );
60  if( arf_t == NULL ) {
62  goto exit_level_1;
63  }
64  /* Transpose input matrices */
65  LAPACKE_zpf_trans( matrix_layout, transr, uplo, n, arf, arf_t );
66  /* Call LAPACK function and adjust info */
67  LAPACK_ztfttp( &transr, &uplo, &n, arf_t, ap_t, &info );
68  if( info < 0 ) {
69  info = info - 1;
70  }
71  /* Transpose output matrices */
72  LAPACKE_zpp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
73  /* Release memory and exit */
74  LAPACKE_free( arf_t );
75 exit_level_1:
76  LAPACKE_free( ap_t );
77 exit_level_0:
78  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
79  LAPACKE_xerbla( "LAPACKE_ztfttp_work", info );
80  }
81  } else {
82  info = -1;
83  LAPACKE_xerbla( "LAPACKE_ztfttp_work", info );
84  }
85  return info;
86 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_ztfttp(...)
Definition: lapack.h:19968
#define lapack_complex_double
Definition: lapack.h:63
#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_zpf_trans(int matrix_layout, char transr, char uplo, lapack_int n, const lapack_complex_double *in, lapack_complex_double *out)
void LAPACKE_xerbla(const char *name, lapack_int info)
void LAPACKE_zpp_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *in, lapack_complex_double *out)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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