LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sgemqrt()

lapack_int LAPACKE_sgemqrt ( int  matrix_layout,
char  side,
char  trans,
lapack_int  m,
lapack_int  n,
lapack_int  k,
lapack_int  nb,
const float *  v,
lapack_int  ldv,
const float *  t,
lapack_int  ldt,
float *  c,
lapack_int  ldc 
)

Definition at line 36 of file lapacke_sgemqrt.c.

41 {
42  lapack_int nrows_v;
43  lapack_int info = 0;
44  float* work = NULL;
45  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46  LAPACKE_xerbla( "LAPACKE_sgemqrt", -1 );
47  return -1;
48  }
49 #ifndef LAPACK_DISABLE_NAN_CHECK
50  if( LAPACKE_get_nancheck() ) {
51  /* Optionally check input matrices for NaNs */
52  nrows_v = LAPACKE_lsame( side, 'L' ) ? m :
53  ( LAPACKE_lsame( side, 'R' ) ? n : 0 );
54  if( LAPACKE_sge_nancheck( matrix_layout, m, n, c, ldc ) ) {
55  return -12;
56  }
57  if( LAPACKE_sge_nancheck( matrix_layout, nb, k, t, ldt ) ) {
58  return -10;
59  }
60  if( LAPACKE_sge_nancheck( matrix_layout, nrows_v, k, v, ldv ) ) {
61  return -8;
62  }
63  }
64 #endif
65  /* Allocate memory for working array(s) */
66  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,m) * MAX(1,nb) );
67  if( work == NULL ) {
69  goto exit_level_0;
70  }
71  /* Call middle-level interface */
72  info = LAPACKE_sgemqrt_work( matrix_layout, side, trans, m, n, k, nb, v, ldv,
73  t, ldt, c, ldc, work );
74  /* Release memory and exit */
75  LAPACKE_free( work );
76 exit_level_0:
77  if( info == LAPACK_WORK_MEMORY_ERROR ) {
78  LAPACKE_xerbla( "LAPACKE_sgemqrt", info );
79  }
80  return info;
81 }
lapack_int LAPACKE_sgemqrt_work(int matrix_layout, char side, char trans, lapack_int m, lapack_int n, lapack_int k, lapack_int nb, const float *v, lapack_int ldv, const float *t, lapack_int ldt, float *c, lapack_int ldc, float *work)
#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)
#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)
#define lapack_int
Definition: lapacke.h:47
int LAPACKE_get_nancheck()
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