LAPACK  3.9.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cppequ_work()

lapack_int LAPACKE_cppequ_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
const lapack_complex_float ap,
float *  s,
float *  scond,
float *  amax 
)

Definition at line 35 of file lapacke_cppequ_work.c.

39 {
40  lapack_int info = 0;
41  if( matrix_layout == LAPACK_COL_MAJOR ) {
42  /* Call LAPACK function and adjust info */
43  LAPACK_cppequ( &uplo, &n, ap, s, scond, amax, &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  /* Allocate memory for temporary array(s) */
50  ap_t = (lapack_complex_float*)
52  ( MAX(1,n) * MAX(2,n+1) ) / 2 );
53  if( ap_t == NULL ) {
55  goto exit_level_0;
56  }
57  /* Transpose input matrices */
58  LAPACKE_cpp_trans( matrix_layout, uplo, n, ap, ap_t );
59  /* Call LAPACK function and adjust info */
60  LAPACK_cppequ( &uplo, &n, ap_t, s, scond, amax, &info );
61  if( info < 0 ) {
62  info = info - 1;
63  }
64  /* Release memory and exit */
65  LAPACKE_free( ap_t );
66 exit_level_0:
67  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
68  LAPACKE_xerbla( "LAPACKE_cppequ_work", info );
69  }
70  } else {
71  info = -1;
72  LAPACKE_xerbla( "LAPACKE_cppequ_work", info );
73  }
74  return info;
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LAPACKE_free
#define LAPACKE_free(p)
Definition: lapacke.h:47
lapack_int
#define lapack_int
Definition: lapack.h:21
LAPACKE_xerbla
void LAPACKE_xerbla(const char *name, lapack_int info)
Definition: lapacke_xerbla.c:36
MAX
#define MAX(x, y)
Definition: lapacke_utils.h:47
lapack_complex_float
#define lapack_complex_float
Definition: lapack.h:56
LAPACK_TRANSPOSE_MEMORY_ERROR
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:57
LAPACKE_cpp_trans
void LAPACKE_cpp_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *in, lapack_complex_float *out)
Definition: lapacke_cpp_trans.c:39
LAPACKE_malloc
#define LAPACKE_malloc(size)
Definition: lapacke.h:44
LAPACK_ROW_MAJOR
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:53
LAPACK_COL_MAJOR
#define LAPACK_COL_MAJOR
Definition: lapacke.h:54
LAPACK_cppequ
void LAPACK_cppequ(char const *uplo, lapack_int const *n, lapack_complex_float const *AP, float *S, float *scond, float *amax, lapack_int *info)