LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zpftrf_work()

lapack_int LAPACKE_zpftrf_work ( int  matrix_layout,
char  transr,
char  uplo,
lapack_int  n,
lapack_complex_double a 
)

Definition at line 35 of file lapacke_zpftrf_work.c.

37 {
38  lapack_int info = 0;
39  if( matrix_layout == LAPACK_COL_MAJOR ) {
40  /* Call LAPACK function and adjust info */
41  LAPACK_zpftrf( &transr, &uplo, &n, a, &info );
42  if( info < 0 ) {
43  info = info - 1;
44  }
45  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
46  lapack_complex_double* a_t = NULL;
47  /* Allocate memory for temporary array(s) */
48  a_t = (lapack_complex_double*)
50  ( MAX(1,n) * MAX(2,n+1) ) / 2 );
51  if( a_t == NULL ) {
53  goto exit_level_0;
54  }
55  /* Transpose input matrices */
56  LAPACKE_zpf_trans( matrix_layout, transr, uplo, n, a, a_t );
57  /* Call LAPACK function and adjust info */
58  LAPACK_zpftrf( &transr, &uplo, &n, a_t, &info );
59  if( info < 0 ) {
60  info = info - 1;
61  }
62  /* Transpose output matrices */
63  LAPACKE_zpf_trans( LAPACK_COL_MAJOR, transr, uplo, n, a_t, a );
64  /* Release memory and exit */
65  LAPACKE_free( a_t );
66 exit_level_0:
67  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
68  LAPACKE_xerbla( "LAPACKE_zpftrf_work", info );
69  }
70  } else {
71  info = -1;
72  LAPACKE_xerbla( "LAPACKE_zpftrf_work", info );
73  }
74  return info;
75 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_zpftrf(...)
Definition: lapack.h:12479
#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)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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