1 files changed, 67 insertions, 0 deletions
diff --git a/include/compression/my64bit.h b/include/compression/my64bit.h
new file mode 100644
index 0000000..fb2d5d0
--- /dev/null
+++ b/include/compression/my64bit.h
@@ -0,0 +1,67 @@
+/* This code is part of the tng compression routines.
+ *
+ * Written by Daniel Spangberg
+ * Copyright (c) 2010, 2013, The GROMACS development team.
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1
+ * of the License, or (at your option) any later version.
+ */
+
+
+/* Here presence of 64 bit integers are checked for. If on windows
+   define USE_WINDOWS if it does not get defined automatically. 
+   If on UNIX, define the sizes of SIZEOF_INT, SIZEOF_LONG, SIZEOF_LONG_LONG
+   If none of these symbols are defined, stdint.h is included (if on C99
+   or USE_STDINT is defined) and 64 bit integers are assumed to be
+   present. If none of this is fulfilled, 64 bit integers are not
+   available. */
+
+#ifndef MY64BIT_H
+#define MY64BIT_H
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+/* The USE_WINDOWS symbol should be automatically defined in tng_compress.h */
+#include "tng_compress.h"
+
+#ifdef USE_WINDOWS
+typedef __int64 my_int64_t;
+typedef unsigned __int64 my_uint64_t;
+#define HAVE64BIT
+#else  /* USE_WINDOWS */
+/* UNIX. Use config.h */
+#if SIZEOF_INT >= 8 
+typedef int my_int64_t;
+typedef unsigned int my_uint64_t;
+#define HAVE64BIT
+#else /* SIZEOF_INT */
+#if SIZEOF_LONG >= 8 
+typedef long my_int64_t;
+typedef unsigned long my_uint64_t;
+#define HAVE64BIT
+#else /* SIZEOF_LONG */
+#if SIZEOF_LONG_LONG >= 8 
+typedef long long my_int64_t;
+typedef unsigned long long my_uint64_t;
+#define HAVE64BIT
+#else /* SIZEOF_LONG_LONG */
+#if HAVE_STDINT_H
+typedef int64_t my_int64_t;
+typedef uint64_t my_uint64_t;
+#define HAVE64BIT
+#endif /* STDINT_H */
+#endif /* SIZEOF_LONG_LONG */
+#endif /* SIZEOF_LONG */
+#endif /* SIZEOF_INT */
+#endif  /* USE_WINDOWS */
+
+#endif