LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_stpmqrt()

lapack_int LAPACKE_stpmqrt ( int  matrix_layout,
char  side,
char  trans,
lapack_int  m,
lapack_int  n,
lapack_int  k,
lapack_int  l,
lapack_int  nb,
const float *  v,
lapack_int  ldv,
const float *  t,
lapack_int  ldt,
float *  a,
lapack_int  lda,
float *  b,
lapack_int  ldb 
)

Definition at line 35 of file lapacke_stpmqrt.c.

40 {
41  lapack_int ncols_a, nrows_a;
42  lapack_int nrows_v;
43  lapack_int lwork;
44  lapack_int info = 0;
45  float* work = NULL;
46  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
47  LAPACKE_xerbla( "LAPACKE_stpmqrt", -1 );
48  return -1;
49  }
50 #ifndef LAPACK_DISABLE_NAN_CHECK
51  if( LAPACKE_get_nancheck() ) {
52  /* Optionally check input matrices for NaNs */
53  ncols_a = LAPACKE_lsame( side, 'L' ) ? n :
54  ( LAPACKE_lsame( side, 'R' ) ? k : 0 );
55  nrows_a = LAPACKE_lsame( side, 'L' ) ? k :
56  ( LAPACKE_lsame( side, 'R' ) ? m : 0 );
57  nrows_v = LAPACKE_lsame( side, 'L' ) ? m :
58  ( LAPACKE_lsame( side, 'R' ) ? n : 0 );
59  if( LAPACKE_sge_nancheck( matrix_layout, nrows_a, ncols_a, a, lda ) ) {
60  return -13;
61  }
62  if( LAPACKE_sge_nancheck( matrix_layout, m, n, b, ldb ) ) {
63  return -15;
64  }
65  if( LAPACKE_sge_nancheck( matrix_layout, nb, k, t, ldt ) ) {
66  return -11;
67  }
68  if( LAPACKE_sge_nancheck( matrix_layout, nrows_v, k, v, ldv ) ) {
69  return -9;
70  }
71  }
72 #endif
73  /* Allocate memory for working array(s) */
74  lwork = LAPACKE_lsame( side, 'L' ) ? MAX(1,nb) * MAX(1,n) :
75  ( LAPACKE_lsame( side, 'R' ) ? MAX(1,m) * MAX(1,nb) : 0 );
76  work = (float*)LAPACKE_malloc( sizeof(float) * lwork );
77  if( work == NULL ) {
79  goto exit_level_0;
80  }
81  /* Call middle-level interface */
82  info = LAPACKE_stpmqrt_work( matrix_layout, side, trans, m, n, k, l, nb, v,
83  ldv, t, ldt, a, lda, b, ldb, work );
84  /* Release memory and exit */
85  LAPACKE_free( work );
86 exit_level_0:
87  if( info == LAPACK_WORK_MEMORY_ERROR ) {
88  LAPACKE_xerbla( "LAPACKE_stpmqrt", info );
89  }
90  return info;
91 }
#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
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
lapack_int LAPACKE_stpmqrt_work(int matrix_layout, char side, char trans, lapack_int m, lapack_int n, lapack_int k, lapack_int l, lapack_int nb, const float *v, lapack_int ldv, const float *t, lapack_int ldt, float *a, lapack_int lda, float *b, lapack_int ldb, float *work)
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
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:46
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