LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_zlaswp()

lapack_int LAPACKE_zlaswp ( int  matrix_layout,
lapack_int  n,
lapack_complex_double a,
lapack_int  lda,
lapack_int  k1,
lapack_int  k2,
const lapack_int ipiv,
lapack_int  incx 
)

Definition at line 36 of file lapacke_zlaswp.c.

40 {
41  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
42  LAPACKE_xerbla( "LAPACKE_zlaswp", -1 );
43  return -1;
44  }
45 #ifndef LAPACK_DISABLE_NAN_CHECK
46  /* Optionally check input matrices for NaNs */
47 /*****************************************************************************
48 * Disable the check as is below, the check below was checking for NaN
49 * from lda to n since there is no (obvious) way to knowing m. This is not
50 * a good idea. We could get a lower bound of m by scanning from ipiv. Or
51 * we could pass on the NaN check to LAPACKE_dlaswp_work. For now disable
52 * the buggy Nan check.
53 * See forum: http://icl.cs.utk.edu/lapack-forum/viewtopic.php?t=4827
54 *****************************************************************************/
55 /* if( LAPACKE_zge_nancheck( matrix_layout, lda, n, a, lda ) ) {
56 * return -3;
57 * }
58 */
59 #endif
60  return LAPACKE_zlaswp_work( matrix_layout, n, a, lda, k1, k2, ipiv, incx );
61 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
lapack_int LAPACKE_zlaswp_work(int matrix_layout, lapack_int n, lapack_complex_double *a, lapack_int lda, lapack_int k1, lapack_int k2, const lapack_int *ipiv, lapack_int incx)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
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