LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ssptri()

lapack_int LAPACKE_ssptri ( int  matrix_layout,
char  uplo,
lapack_int  n,
float *  ap,
const lapack_int ipiv 
)

Definition at line 36 of file lapacke_ssptri.c.

38 {
39  lapack_int info = 0;
40  float* work = NULL;
41  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
42  LAPACKE_xerbla( "LAPACKE_ssptri", -1 );
43  return -1;
44  }
45 #ifndef LAPACK_DISABLE_NAN_CHECK
46  if( LAPACKE_get_nancheck() ) {
47  /* Optionally check input matrices for NaNs */
48  if( LAPACKE_ssp_nancheck( n, ap ) ) {
49  return -4;
50  }
51  }
52 #endif
53  /* Allocate memory for working array(s) */
54  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
55  if( work == NULL ) {
57  goto exit_level_0;
58  }
59  /* Call middle-level interface */
60  info = LAPACKE_ssptri_work( matrix_layout, uplo, n, ap, ipiv, 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_ssptri", info );
66  }
67  return info;
68 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define LAPACKE_free(p)
Definition: lapacke.h:113
lapack_int LAPACKE_ssptri_work(int matrix_layout, char uplo, lapack_int n, float *ap, const lapack_int *ipiv, float *work)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
lapack_logical LAPACKE_ssp_nancheck(lapack_int n, const float *ap)
int LAPACKE_get_nancheck()
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