LAPACK  3.6.1
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lapacke_dge_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 matrix for NaN entries. */
36 
38  lapack_int n,
39  const double *a,
40  lapack_int lda )
41 {
42  lapack_int i, j;
43 
44  if( a == NULL ) return (lapack_logical) 0;
45 
46  if( matrix_layout == LAPACK_COL_MAJOR ) {
47  for( j = 0; j < n; j++ ) {
48  for( i = 0; i < MIN( m, lda ); i++ ) {
49  if( LAPACK_DISNAN( a[i+(size_t)j*lda] ) )
50  return (lapack_logical) 1;
51  }
52  }
53  } else if ( matrix_layout == LAPACK_ROW_MAJOR ) {
54  for( i = 0; i < m; i++ ) {
55  for( j = 0; j < MIN( n, lda ); j++ ) {
56  if( LAPACK_DISNAN( a[(size_t)i*lda+j] ) )
57  return (lapack_logical) 1;
58  }
59  }
60  }
61  return (lapack_logical) 0;
62 }
#define lapack_logical
Definition: lapacke.h:51
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define MIN(x, y)
Definition: lapacke_utils.h:50
#define LAPACK_DISNAN(x)
lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
#define lapack_int
Definition: lapacke.h:47