LAPACK  3.7.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dpttrs()

lapack_int LAPACKE_dpttrs ( int  matrix_layout,
lapack_int  n,
lapack_int  nrhs,
const double *  d,
const double *  e,
double *  b,
lapack_int  ldb 
)

Definition at line 36 of file lapacke_dpttrs.c.

39 {
40  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
41  LAPACKE_xerbla( "LAPACKE_dpttrs", -1 );
42  return -1;
43  }
44 #ifndef LAPACK_DISABLE_NAN_CHECK
45  /* Optionally check input matrices for NaNs */
46  if( LAPACKE_dge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
47  return -6;
48  }
49  if( LAPACKE_d_nancheck( n, d, 1 ) ) {
50  return -4;
51  }
52  if( LAPACKE_d_nancheck( n-1, e, 1 ) ) {
53  return -5;
54  }
55 #endif
56  return LAPACKE_dpttrs_work( matrix_layout, n, nrhs, d, e, b, ldb );
57 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
lapack_int LAPACKE_dpttrs_work(int matrix_layout, lapack_int n, lapack_int nrhs, const double *d, const double *e, 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_d_nancheck(lapack_int n, const double *x, lapack_int incx)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
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