LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sppequ_work()

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

Definition at line 36 of file lapacke_sppequ_work.c.

39 {
40  lapack_int info = 0;
41  if( matrix_layout == LAPACK_COL_MAJOR ) {
42  /* Call LAPACK function and adjust info */
43  LAPACK_sppequ( &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  float* ap_t = NULL;
49  /* Allocate memory for temporary array(s) */
50  ap_t = (float*)
51  LAPACKE_malloc( sizeof(float) * ( 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_spp_trans( matrix_layout, uplo, n, ap, ap_t );
58  /* Call LAPACK function and adjust info */
59  LAPACK_sppequ( &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_sppequ_work", info );
68  }
69  } else {
70  info = -1;
71  LAPACKE_xerbla( "LAPACKE_sppequ_work", info );
72  }
73  return info;
74 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACKE_free(p)
Definition: lapacke.h:113
void LAPACKE_spp_trans(int matrix_layout, char uplo, lapack_int n, const float *in, float *out)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
void LAPACK_sppequ(char *uplo, lapack_int *n, const float *ap, float *s, float *scond, float *amax, lapack_int *info)
#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
Here is the call graph for this function:
Here is the caller graph for this function: