LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapack_int LAPACKE_stpqrt ( int  matrix_layout,
lapack_int  m,
lapack_int  n,
lapack_int  l,
lapack_int  nb,
float *  a,
lapack_int  lda,
float *  b,
lapack_int  ldb,
float *  t,
lapack_int  ldt 
)

Definition at line 36 of file lapacke_stpqrt.c.

40 {
41  lapack_int info = 0;
42  float* work = NULL;
43  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
44  LAPACKE_xerbla( "LAPACKE_stpqrt", -1 );
45  return -1;
46  }
47 #ifndef LAPACK_DISABLE_NAN_CHECK
48  /* Optionally check input matrices for NaNs */
49  if( LAPACKE_sge_nancheck( matrix_layout, n, n, a, lda ) ) {
50  return -6;
51  }
52  if( LAPACKE_sge_nancheck( matrix_layout, m, n, b, ldb ) ) {
53  return -8;
54  }
55 #endif
56  /* Allocate memory for working array(s) */
57  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,nb) * MAX(1,n) );
58  if( work == NULL ) {
60  goto exit_level_0;
61  }
62  /* Call middle-level interface */
63  info = LAPACKE_stpqrt_work( matrix_layout, m, n, l, nb, a, lda, b, ldb, t,
64  ldt, work );
65  /* Release memory and exit */
66  LAPACKE_free( work );
67 exit_level_0:
68  if( info == LAPACK_WORK_MEMORY_ERROR ) {
69  LAPACKE_xerbla( "LAPACKE_stpqrt", info );
70  }
71  return info;
72 }
lapack_int LAPACKE_stpqrt_work(int matrix_layout, lapack_int m, lapack_int n, lapack_int l, lapack_int nb, float *a, lapack_int lda, float *b, lapack_int ldb, float *t, lapack_int ldt, float *work)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
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_free(p)
Definition: lapacke.h:113
#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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