LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dgbsv()

lapack_int LAPACKE_dgbsv ( int  matrix_layout,
lapack_int  n,
lapack_int  kl,
lapack_int  ku,
lapack_int  nrhs,
double *  ab,
lapack_int  ldab,
lapack_int ipiv,
double *  b,
lapack_int  ldb 
)

Definition at line 36 of file lapacke_dgbsv.c.

40 {
41  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
42  LAPACKE_xerbla( "LAPACKE_dgbsv", -1 );
43  return -1;
44  }
45 #ifndef LAPACK_DISABLE_NAN_CHECK
46  if( LAPACKE_get_nancheck() ) {
47  /* Optionally check input matrices for NaNs */
48  if( LAPACKE_dgb_nancheck( matrix_layout, n, n, kl, kl+ku, ab, ldab ) ) {
49  return -6;
50  }
51  if( LAPACKE_dge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
52  return -9;
53  }
54  }
55 #endif
56  return LAPACKE_dgbsv_work( matrix_layout, n, kl, ku, nrhs, ab, ldab, ipiv, b,
57  ldb );
58 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
lapack_int LAPACKE_dgbsv_work(int matrix_layout, lapack_int n, lapack_int kl, lapack_int ku, lapack_int nrhs, double *ab, lapack_int ldab, lapack_int *ipiv, double *b, lapack_int ldb)
lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda)
lapack_logical LAPACKE_dgb_nancheck(int matrix_layout, lapack_int m, lapack_int n, lapack_int kl, lapack_int ku, const double *ab, lapack_int ldab)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
int LAPACKE_get_nancheck()
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