LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_cupmtr()

lapack_int LAPACKE_cupmtr ( int  matrix_layout,
char  side,
char  uplo,
char  trans,
lapack_int  m,
lapack_int  n,
const lapack_complex_float ap,
const lapack_complex_float tau,
lapack_complex_float c,
lapack_int  ldc 
)

Definition at line 36 of file lapacke_cupmtr.c.

41 {
42  lapack_int info = 0;
43  /* Additional scalars declarations for work arrays */
44  lapack_int lwork;
45  lapack_complex_float* work = NULL;
46  lapack_int r;
47  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
48  LAPACKE_xerbla( "LAPACKE_cupmtr", -1 );
49  return -1;
50  }
51 #ifndef LAPACK_DISABLE_NAN_CHECK
52  if( LAPACKE_get_nancheck() ) {
53  /* Optionally check input matrices for NaNs */
54  r = LAPACKE_lsame( side, 'l' ) ? m : n;
55  if( LAPACKE_cpp_nancheck( r, ap ) ) {
56  return -7;
57  }
58  if( LAPACKE_cge_nancheck( matrix_layout, m, n, c, ldc ) ) {
59  return -9;
60  }
61  if( LAPACKE_c_nancheck( m-1, tau, 1 ) ) {
62  return -8;
63  }
64  }
65 #endif
66  /* Additional scalars initializations for work arrays */
67  if( LAPACKE_lsame( side, 'l' ) ) {
68  lwork = MAX(1,n);
69  } else if( LAPACKE_lsame( side, 'r' ) ) {
70  lwork = MAX(1,m);
71  } else {
72  lwork = 1; /* Any value */
73  }
74  /* Allocate memory for working array(s) */
75  work = (lapack_complex_float*)
76  LAPACKE_malloc( sizeof(lapack_complex_float) * lwork );
77  if( work == NULL ) {
79  goto exit_level_0;
80  }
81  /* Call middle-level interface */
82  info = LAPACKE_cupmtr_work( matrix_layout, side, uplo, trans, m, n, ap, tau,
83  c, ldc, 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_cupmtr", info );
89  }
90  return info;
91 }
#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
#define lapack_complex_float
Definition: lapacke.h:74
lapack_int LAPACKE_cupmtr_work(int matrix_layout, char side, char uplo, char trans, lapack_int m, lapack_int n, const lapack_complex_float *ap, const lapack_complex_float *tau, lapack_complex_float *c, lapack_int ldc, lapack_complex_float *work)
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:47
lapack_logical LAPACKE_c_nancheck(lapack_int n, const lapack_complex_float *x, lapack_int incx)
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
lapack_logical LAPACKE_cpp_nancheck(lapack_int n, const lapack_complex_float *ap)
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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