LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zppequ_work()

lapack_int LAPACKE_zppequ_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
const lapack_complex_double ap,
double *  s,
double *  scond,
double *  amax 
)

Definition at line 35 of file lapacke_zppequ_work.c.

38 {
39  lapack_int info = 0;
40  if( matrix_layout == LAPACK_COL_MAJOR ) {
41  /* Call LAPACK function and adjust info */
42  LAPACK_zppequ( &uplo, &n, ap, s, scond, amax, &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  /* Allocate memory for temporary array(s) */
49  ap_t = (lapack_complex_double*)
51  ( MAX(1,n) * MAX(2,n+1) ) / 2 );
52  if( ap_t == NULL ) {
54  goto exit_level_0;
55  }
56  /* Transpose input matrices */
57  LAPACKE_zpp_trans( matrix_layout, uplo, n, ap, ap_t );
58  /* Call LAPACK function and adjust info */
59  LAPACK_zppequ( &uplo, &n, ap_t, s, scond, amax, &info );
60  if( info < 0 ) {
61  info = info - 1;
62  }
63  /* Release memory and exit */
64  LAPACKE_free( ap_t );
65 exit_level_0:
66  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
67  LAPACKE_xerbla( "LAPACKE_zppequ_work", info );
68  }
69  } else {
70  info = -1;
71  LAPACKE_xerbla( "LAPACKE_zppequ_work", info );
72  }
73  return info;
74 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_zppequ(...)
Definition: lapack.h:13772
#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_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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