LAPACK  3.10.1 LAPACK: Linear Algebra PACKage

## ◆ LAPACKE_claswp()

 lapack_int LAPACKE_claswp ( int matrix_layout, lapack_int n, lapack_complex_float * a, lapack_int lda, lapack_int k1, lapack_int k2, const lapack_int * ipiv, lapack_int incx )

Definition at line 35 of file lapacke_claswp.c.

39 {
40  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
41  LAPACKE_xerbla( "LAPACKE_claswp", -1 );
42  return -1;
43  }
44 #ifndef LAPACK_DISABLE_NAN_CHECK
45  if( LAPACKE_get_nancheck() ) {
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_cge_nancheck( matrix_layout, lda, n, a, lda ) ) {
56  * return -3;
57  * }
58  */
59  }
60 #endif
61  return LAPACKE_claswp_work( matrix_layout, n, a, lda, k1, k2, ipiv, incx );
62 }
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
lapack_int LAPACKE_claswp_work(int matrix_layout, lapack_int n, lapack_complex_float *a, lapack_int lda, lapack_int k1, lapack_int k2, const lapack_int *ipiv, lapack_int incx)
int LAPACKE_get_nancheck(void)
void LAPACKE_xerbla(const char *name, lapack_int info)
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