Add isfinite array support as isFinite
diff --git a/doc/snippets/Cwise_isFinite.cpp b/doc/snippets/Cwise_isFinite.cpp
new file mode 100644
index 0000000..7e59456
--- /dev/null
+++ b/doc/snippets/Cwise_isFinite.cpp
@@ -0,0 +1,5 @@
+Array3d v(1,2,3);
+v(1) *= 0.0/0.0;
+v(2) /= 0.0;
+cout << v << endl << endl;
+cout << isFinite(v) << endl;