LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_ssytri()

lapack_int LAPACKE_ssytri ( int  matrix_layout,
char  uplo,
lapack_int  n,
float *  a,
lapack_int  lda,
const lapack_int ipiv 
)

Definition at line 36 of file lapacke_ssytri.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_ssytri", -1 );
43  return -1;
44  }
45 #ifndef LAPACK_DISABLE_NAN_CHECK
46  /* Optionally check input matrices for NaNs */
47  if( LAPACKE_ssy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
48  return -4;
49  }
50 #endif
51  /* Allocate memory for working array(s) */
52  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*n) );
53  if( work == NULL ) {
55  goto exit_level_0;
56  }
57  /* Call middle-level interface */
58  info = LAPACKE_ssytri_work( matrix_layout, uplo, n, a, lda, ipiv, work );
59  /* Release memory and exit */
60  LAPACKE_free( work );
61 exit_level_0:
62  if( info == LAPACK_WORK_MEMORY_ERROR ) {
63  LAPACKE_xerbla( "LAPACKE_ssytri", info );
64  }
65  return info;
66 }
lapack_logical LAPACKE_ssy_nancheck(int matrix_layout, char uplo, lapack_int n, const float *a, lapack_int lda)
#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
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_int LAPACKE_ssytri_work(int matrix_layout, char uplo, lapack_int n, float *a, lapack_int lda, const lapack_int *ipiv, 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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