LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zupmtr()

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

Definition at line 36 of file lapacke_zupmtr.c.

41 {
42  lapack_int info = 0;
43  /* Additional scalars declarations for work arrays */
44  lapack_int lwork;
45  lapack_complex_double* work = NULL;
46  lapack_int r ;
47  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
48  LAPACKE_xerbla( "LAPACKE_zupmtr", -1 );
49  return -1;
50  }
51 #ifndef LAPACK_DISABLE_NAN_CHECK
52  /* Optionally check input matrices for NaNs */
53  r = LAPACKE_lsame( side, 'l' ) ? m : n;
54  if( LAPACKE_zpp_nancheck( r, ap ) ) {
55  return -7;
56  }
57  if( LAPACKE_zge_nancheck( matrix_layout, m, n, c, ldc ) ) {
58  return -9;
59  }
60  if( LAPACKE_z_nancheck( m-1, tau, 1 ) ) {
61  return -8;
62  }
63 #endif
64  /* Additional scalars initializations for work arrays */
65  if( LAPACKE_lsame( side, 'l' ) ) {
66  lwork = MAX(1,n);
67  } else if( LAPACKE_lsame( side, 'r' ) ) {
68  lwork = MAX(1,m);
69  } else {
70  lwork = 1; /* Any value */
71  }
72  /* Allocate memory for working array(s) */
73  work = (lapack_complex_double*)
74  LAPACKE_malloc( sizeof(lapack_complex_double) * lwork );
75  if( work == NULL ) {
77  goto exit_level_0;
78  }
79  /* Call middle-level interface */
80  info = LAPACKE_zupmtr_work( matrix_layout, side, uplo, trans, m, n, ap, tau,
81  c, ldc, work );
82  /* Release memory and exit */
83  LAPACKE_free( work );
84 exit_level_0:
85  if( info == LAPACK_WORK_MEMORY_ERROR ) {
86  LAPACKE_xerbla( "LAPACKE_zupmtr", info );
87  }
88  return info;
89 }
lapack_int LAPACKE_zupmtr_work(int matrix_layout, char side, char uplo, char trans, lapack_int m, lapack_int n, const lapack_complex_double *ap, const lapack_complex_double *tau, lapack_complex_double *c, lapack_int ldc, lapack_complex_double *work)
lapack_logical LAPACKE_z_nancheck(lapack_int n, const lapack_complex_double *x, lapack_int incx)
#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_double
Definition: lapacke.h:90
#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
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
lapack_logical LAPACKE_zpp_nancheck(lapack_int n, const lapack_complex_double *ap)
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