LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sopmtr()

lapack_int LAPACKE_sopmtr ( int  matrix_layout,
char  side,
char  uplo,
char  trans,
lapack_int  m,
lapack_int  n,
const float *  ap,
const float *  tau,
float *  c,
lapack_int  ldc 
)

Definition at line 36 of file lapacke_sopmtr.c.

39 {
40  lapack_int info = 0;
41  /* Additional scalars declarations for work arrays */
42  lapack_int lwork;
43  float* work = NULL;
44  lapack_int r;
45  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46  LAPACKE_xerbla( "LAPACKE_sopmtr", -1 );
47  return -1;
48  }
49 #ifndef LAPACK_DISABLE_NAN_CHECK
50  /* Optionally check input matrices for NaNs */
51  r = LAPACKE_lsame( side, 'l' ) ? m : n;
52  if( LAPACKE_ssp_nancheck( r, ap ) ) {
53  return -7;
54  }
55  if( LAPACKE_sge_nancheck( matrix_layout, m, n, c, ldc ) ) {
56  return -9;
57  }
58  if( LAPACKE_s_nancheck( m-1, tau, 1 ) ) {
59  return -8;
60  }
61 #endif
62  /* Additional scalars initializations for work arrays */
63  if( LAPACKE_lsame( side, 'l' ) ) {
64  lwork = MAX(1,n);
65  } else if( LAPACKE_lsame( side, 'r' ) ) {
66  lwork = MAX(1,m);
67  } else {
68  lwork = 1; /* Any value */
69  }
70  /* Allocate memory for working array(s) */
71  work = (float*)LAPACKE_malloc( sizeof(float) * lwork );
72  if( work == NULL ) {
74  goto exit_level_0;
75  }
76  /* Call middle-level interface */
77  info = LAPACKE_sopmtr_work( matrix_layout, side, uplo, trans, m, n, ap, tau,
78  c, ldc, work );
79  /* Release memory and exit */
80  LAPACKE_free( work );
81 exit_level_0:
82  if( info == LAPACK_WORK_MEMORY_ERROR ) {
83  LAPACKE_xerbla( "LAPACKE_sopmtr", info );
84  }
85  return info;
86 }
#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_sge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const float *a, lapack_int lda)
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_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_int LAPACKE_sopmtr_work(int matrix_layout, char side, char uplo, char trans, lapack_int m, lapack_int n, const float *ap, const float *tau, float *c, lapack_int ldc, float *work)
#define lapack_int
Definition: lapacke.h:47
lapack_logical LAPACKE_ssp_nancheck(lapack_int n, const float *ap)
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