LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sspev()

lapack_int LAPACKE_sspev ( int  matrix_layout,
char  jobz,
char  uplo,
lapack_int  n,
float *  ap,
float *  w,
float *  z,
lapack_int  ldz 
)

Definition at line 35 of file lapacke_sspev.c.

37 {
38  lapack_int info = 0;
39  float* work = NULL;
40  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
41  LAPACKE_xerbla( "LAPACKE_sspev", -1 );
42  return -1;
43  }
44 #ifndef LAPACK_DISABLE_NAN_CHECK
45  if( LAPACKE_get_nancheck() ) {
46  /* Optionally check input matrices for NaNs */
47  if( LAPACKE_ssp_nancheck( n, ap ) ) {
48  return -5;
49  }
50  }
51 #endif
52  /* Allocate memory for working array(s) */
53  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
54  if( work == NULL ) {
56  goto exit_level_0;
57  }
58  /* Call middle-level interface */
59  info = LAPACKE_sspev_work( matrix_layout, jobz, uplo, n, ap, w, z, ldz,
60  work );
61  /* Release memory and exit */
62  LAPACKE_free( work );
63 exit_level_0:
64  if( info == LAPACK_WORK_MEMORY_ERROR ) {
65  LAPACKE_xerbla( "LAPACKE_sspev", info );
66  }
67  return info;
68 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
lapack_int LAPACKE_sspev_work(int matrix_layout, char jobz, char uplo, lapack_int n, float *ap, float *w, float *z, lapack_int ldz, float *work)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
void LAPACKE_xerbla(const char *name, lapack_int info)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_ssp_nancheck(lapack_int n, const float *ap)
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