LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_spstrf()

lapack_int LAPACKE_spstrf ( int  matrix_layout,
char  uplo,
lapack_int  n,
float *  a,
lapack_int  lda,
lapack_int piv,
lapack_int rank,
float  tol 
)

Definition at line 36 of file lapacke_spstrf.c.

39 {
40  lapack_int info = 0;
41  float* work = NULL;
42  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
43  LAPACKE_xerbla( "LAPACKE_spstrf", -1 );
44  return -1;
45  }
46 #ifndef LAPACK_DISABLE_NAN_CHECK
47  /* Optionally check input matrices for NaNs */
48  if( LAPACKE_spo_nancheck( matrix_layout, uplo, n, a, lda ) ) {
49  return -4;
50  }
51  if( LAPACKE_s_nancheck( 1, &tol, 1 ) ) {
52  return -8;
53  }
54 #endif
55  /* Allocate memory for working array(s) */
56  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*n) );
57  if( work == NULL ) {
59  goto exit_level_0;
60  }
61  /* Call middle-level interface */
62  info = LAPACKE_spstrf_work( matrix_layout, uplo, n, a, lda, piv, rank, tol,
63  work );
64  /* Release memory and exit */
65  LAPACKE_free( work );
66 exit_level_0:
67  if( info == LAPACK_WORK_MEMORY_ERROR ) {
68  LAPACKE_xerbla( "LAPACKE_spstrf", info );
69  }
70  return info;
71 }
#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_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_spo_nancheck(int matrix_layout, char uplo, lapack_int n, const float *a, lapack_int lda)
lapack_int LAPACKE_spstrf_work(int matrix_layout, char uplo, lapack_int n, float *a, lapack_int lda, lapack_int *piv, lapack_int *rank, float tol, float *work)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47
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