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diff liboctave/dNDArray.cc @ 7922:935be827eaf8

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error for NaN values in & and | expressions
author John W. Eaton <jwe@octave.org>
date Fri, 11 Jul 2008 14:56:30 -0400
parents 9d080df0c843
children f8cab9eeb128
line wrap: on
line diff
--- a/liboctave/dNDArray.cc
+++ b/liboctave/dNDArray.cc
@@ -556,6 +556,20 @@
   return false;
 }
 
+bool
+NDArray::any_element_is_nan (void) const
+{
+  octave_idx_type nel = nelem ();
+
+  for (octave_idx_type i = 0; i < nel; i++)
+    {
+      double val = elem (i);
+      if (xisnan (val))
+	return true;
+    }
+
+  return false;
+}
 
 bool
 NDArray::any_element_is_inf_or_nan (void) const