LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sopgtr()

lapack_int LAPACKE_sopgtr ( int  matrix_layout,
char  uplo,
lapack_int  n,
const float *  ap,
const float *  tau,
float *  q,
lapack_int  ldq 
)

Definition at line 35 of file lapacke_sopgtr.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_sopgtr", -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  if( LAPACKE_s_nancheck( n-1, tau, 1 ) ) {
52  return -5;
53  }
54  }
55 #endif
56  /* Allocate memory for working array(s) */
57  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n-1) );
58  if( work == NULL ) {
60  goto exit_level_0;
61  }
62  /* Call middle-level interface */
63  info = LAPACKE_sopgtr_work( matrix_layout, uplo, n, ap, tau, q, ldq, 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_sopgtr", info );
69  }
70  return info;
71 }
#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_sopgtr_work(int matrix_layout, char uplo, lapack_int n, const float *ap, const float *tau, float *q, lapack_int ldq, 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)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_ssp_nancheck(lapack_int n, const float *ap)
Here is the call graph for this function: