LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapacke_d_nancheck.c
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28 ******************************************************************************
29 * Contents: Native C interface to LAPACK utility function
30 * Author: Intel Corporation
31 * Created in February, 2010
32 *****************************************************************************/
33 #include "lapacke_utils.h"
34 
35 /* Check a vector for NaN entries. */
36 
38  const double *x,
39  lapack_int incx )
40 {
41  lapack_int i, inc;
42 
43  if( incx == 0 ) return (lapack_logical) LAPACK_DISNAN( x[0] );
44  inc = ( incx > 0 ) ? incx : -incx ;
45 
46  for( i = 0; i < n*inc; i+=inc ) {
47  if( LAPACK_DISNAN( x[i] ) )
48  return (lapack_logical) 1;
49  }
50  return (lapack_logical) 0;
51 }
#define lapack_logical
Definition: lapacke.h:51
#define LAPACK_DISNAN(x)
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
#define lapack_int
Definition: lapacke.h:47