From ccb6c3490f85a5eb5fee79c8724f8f42b519b003 Mon Sep 17 00:00:00 2001
From: Pietro Incardona <incardon@mpi-cbg.de>
Date: Tue, 21 Feb 2017 15:08:39 +0100
Subject: [PATCH] Adding missing file
---
src/VTKWriter/byteswap_portable.hpp | 41 +++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
create mode 100644 src/VTKWriter/byteswap_portable.hpp
diff --git a/src/VTKWriter/byteswap_portable.hpp b/src/VTKWriter/byteswap_portable.hpp
new file mode 100644
index 0000000..70d05c9
--- /dev/null
+++ b/src/VTKWriter/byteswap_portable.hpp
@@ -0,0 +1,41 @@
+/*
+ * byteswap_portable.hpp
+ *
+ * Created on: Feb 20, 2017
+ * Author: i-bird
+ */
+
+#ifndef OPENFPM_IO_SRC_VTKWRITER_BYTESWAP_PORTABLE_HPP_
+#define OPENFPM_IO_SRC_VTKWRITER_BYTESWAP_PORTABLE_HPP_
+
+#include <climits>
+
+/*! \brief This function swap byte from little endian to big endian format
+ *
+ * \warning in the case of big-endian machine this function should do nothing.
+ * Unfortunately this is not the case because I never had the bad luck
+ * of getting one
+ *
+ * \param T value to convert
+ *
+ */
+template <typename T>
+T swap_endian_lt(T u)
+{
+ static_assert (CHAR_BIT == 8, "CHAR_BIT != 8");
+
+ union
+ {
+ T u;
+ unsigned char u8[sizeof(T)];
+ } source, dest;
+
+ source.u = u;
+
+ for (size_t k = 0; k < sizeof(T); k++)
+ dest.u8[k] = source.u8[sizeof(T) - k - 1];
+
+ return dest.u;
+}
+
+#endif /* OPENFPM_IO_SRC_VTKWRITER_BYTESWAP_PORTABLE_HPP_ */
--
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