LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sgemlq()

lapack_int LAPACKE_sgemlq ( int  matrix_layout,
char  side,
char  trans,
lapack_int  m,
lapack_int  n,
lapack_int  k,
const float *  a,
lapack_int  lda,
const float *  t,
lapack_int  tsize,
float *  c,
lapack_int  ldc 
)

Definition at line 36 of file lapacke_sgemlq.c.

41 {
42  lapack_int info = 0;
43  lapack_int lwork = -1;
44  float* work = NULL;
45  float work_query;
46  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
47  LAPACKE_xerbla( "LAPACKE_sgemlq", -1 );
48  return -1;
49  }
50 #ifndef LAPACK_DISABLE_NAN_CHECK
51  /* Optionally check input matrices for NaNs */
52  if( LAPACKE_sge_nancheck( matrix_layout, k, m, a, lda ) ) {
53  return -7;
54  }
55  if( LAPACKE_sge_nancheck( matrix_layout, m, n, c, ldc ) ) {
56  return -10;
57  }
58  if( LAPACKE_s_nancheck( tsize, t, 1 ) ) {
59  return -9;
60  }
61 #endif
62  /* Query optimal working array(s) size */
63  info = LAPACKE_sgemlq_work( matrix_layout, side, trans, m, n, k, a, lda,
64  t, tsize, c, ldc, &work_query, lwork );
65  if( info != 0 ) {
66  goto exit_level_0;
67  }
68  lwork = (lapack_int)work_query;
69  /* Allocate memory for work arrays */
70  work = (float*)LAPACKE_malloc( sizeof(float) * lwork );
71  if( work == NULL ) {
73  goto exit_level_0;
74  }
75  /* Call middle-level interface */
76  info = LAPACKE_sgemlq_work( matrix_layout, side, trans, m, n, k, a, lda,
77  t, tsize, c, ldc, work, lwork );
78  /* Release memory and exit */
79  LAPACKE_free( work );
80 exit_level_0:
81  if( info == LAPACK_WORK_MEMORY_ERROR ) {
82  LAPACKE_xerbla( "LAPACKE_sgemlq", info );
83  }
84  return info;
85 }
#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)
lapack_int LAPACKE_sgemlq_work(int matrix_layout, char side, char trans, lapack_int m, lapack_int n, lapack_int k, const float *a, lapack_int lda, const float *t, lapack_int tsize, float *c, lapack_int ldc, float *work, lapack_int lwork)
#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
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