update bundled_deps

bundled_deps/libigl/igl/file_exists.h

@@ -0,0 +1,27 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
+// 
+// This Source Code Form is subject to the terms of the Mozilla Public License 
+// v. 2.0. If a copy of the MPL was not distributed with this file, You can 
+// obtain one at http://mozilla.org/MPL/2.0/.
+#ifndef IGL_FILE_EXISTS_H
+#define IGL_FILE_EXISTS_H
+#include "igl_inline.h"
+#include <string>
+namespace igl
+{
+  // Check if a file or directory exists like PHP's file_exists function:
+  // http://php.net/manual/en/function.file-exists.php
+  // Input:
+  //   filename  path to file
+  // Returns true if file exists and is readable and false if file doesn't
+  // exist or *is not readable*
+  IGL_INLINE bool file_exists(const std::string filename);
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "file_exists.cpp"
+#endif
+
+#endif