LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ctfttp_work()

lapack_int LAPACKE_ctfttp_work ( int  matrix_layout,
char  transr,
char  uplo,
lapack_int  n,
const lapack_complex_float arf,
lapack_complex_float ap 
)

Definition at line 36 of file lapacke_ctfttp_work.c.

39 {
40  lapack_int info = 0;
41  if( matrix_layout == LAPACK_COL_MAJOR ) {
42  /* Call LAPACK function and adjust info */
43  LAPACK_ctfttp( &transr, &uplo, &n, arf, ap, &info );
44  if( info < 0 ) {
45  info = info - 1;
46  }
47  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
48  lapack_complex_float* ap_t = NULL;
49  lapack_complex_float* arf_t = NULL;
50  /* Allocate memory for temporary array(s) */
51  ap_t = (lapack_complex_float*)
53  ( MAX(1,n) * MAX(2,n+1) ) / 2 );
54  if( ap_t == NULL ) {
56  goto exit_level_0;
57  }
58  arf_t = (lapack_complex_float*)
60  ( MAX(1,n) * MAX(2,n+1) ) / 2 );
61  if( arf_t == NULL ) {
63  goto exit_level_1;
64  }
65  /* Transpose input matrices */
66  LAPACKE_cpf_trans( matrix_layout, transr, uplo, n, arf, arf_t );
67  /* Call LAPACK function and adjust info */
68  LAPACK_ctfttp( &transr, &uplo, &n, arf_t, ap_t, &info );
69  if( info < 0 ) {
70  info = info - 1;
71  }
72  /* Transpose output matrices */
73  LAPACKE_cpp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
74  /* Release memory and exit */
75  LAPACKE_free( arf_t );
76 exit_level_1:
77  LAPACKE_free( ap_t );
78 exit_level_0:
79  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
80  LAPACKE_xerbla( "LAPACKE_ctfttp_work", info );
81  }
82  } else {
83  info = -1;
84  LAPACKE_xerbla( "LAPACKE_ctfttp_work", info );
85  }
86  return info;
87 }
void LAPACKE_cpp_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *in, lapack_complex_float *out)
void LAPACKE_cpf_trans(int matrix_layout, char transr, char uplo, lapack_int n, const lapack_complex_float *in, lapack_complex_float *out)
#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_ctfttp(char *transr, char *uplo, lapack_int *n, const lapack_complex_float *arf, lapack_complex_float *ap, lapack_int *info)
#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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