LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_sgttrf()

lapack_int LAPACKE_sgttrf ( lapack_int  n,
float *  dl,
float *  d,
float *  du,
float *  du2,
lapack_int ipiv 
)

Definition at line 36 of file lapacke_sgttrf.c.

38 {
39 #ifndef LAPACK_DISABLE_NAN_CHECK
40  if( LAPACKE_get_nancheck() ) {
41  /* Optionally check input matrices for NaNs */
42  if( LAPACKE_s_nancheck( n, d, 1 ) ) {
43  return -3;
44  }
45  if( LAPACKE_s_nancheck( n-1, dl, 1 ) ) {
46  return -2;
47  }
48  if( LAPACKE_s_nancheck( n-1, du, 1 ) ) {
49  return -4;
50  }
51  }
52 #endif
53  return LAPACKE_sgttrf_work( n, dl, d, du, du2, ipiv );
54 }
lapack_int LAPACKE_sgttrf_work(lapack_int n, float *dl, float *d, float *du, float *du2, lapack_int *ipiv)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
int LAPACKE_get_nancheck()
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