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diff --git a/kaldi_io/src/kaldi/base/kaldi-utils.h b/kaldi_io/src/kaldi/base/kaldi-utils.h
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+++ b/kaldi_io/src/kaldi/base/kaldi-utils.h
@@ -0,0 +1,157 @@
+// base/kaldi-utils.h
+
+// Copyright 2009-2011  Ondrej Glembek;  Microsoft Corporation;
+//                      Saarland University;  Karel Vesely;  Yanmin Qian
+
+// See ../../COPYING for clarification regarding multiple authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+// MERCHANTABLITY OR NON-INFRINGEMENT.
+// See the Apache 2 License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef KALDI_BASE_KALDI_UTILS_H_
+#define KALDI_BASE_KALDI_UTILS_H_ 1
+
+#include <limits>
+#include <string>
+
+#if defined(_MSC_VER)
+# define WIN32_LEAN_AND_MEAN
+# define NOMINMAX
+# include <windows.h>
+#endif
+
+#if defined(_MSC_VER)
+#pragma warning(disable: 4244 4056 4305 4800 4267 4996 4756 4661)
+#define __restrict__
+#endif
+
+#ifdef HAVE_POSIX_MEMALIGN
+#  define KALDI_MEMALIGN(align, size, pp_orig) \
+     (!posix_memalign(pp_orig, align, size) ? *(pp_orig) : NULL)
+#  define KALDI_MEMALIGN_FREE(x) free(x)
+#elif defined(HAVE_MEMALIGN)
+  /* Some systems have memalign() but no declaration for it */
+  void * memalign(size_t align, size_t size);
+#  define KALDI_MEMALIGN(align, size, pp_orig) \
+     (*(pp_orig) = memalign(align, size))
+#  define KALDI_MEMALIGN_FREE(x) free(x)
+#elif defined(_MSC_VER)
+#  define KALDI_MEMALIGN(align, size, pp_orig) \
+  (*(pp_orig) = _aligned_malloc(size, align))
+#  define KALDI_MEMALIGN_FREE(x) _aligned_free(x)
+#else
+#error Manual memory alignment is no longer supported
+#endif
+
+#ifdef __ICC
+#pragma warning(disable: 383)  // ICPC remark we don't want.
+#pragma warning(disable: 810)  // ICPC remark we don't want.
+#pragma warning(disable: 981)  // ICPC remark we don't want.
+#pragma warning(disable: 1418)  // ICPC remark we don't want.
+#pragma warning(disable: 444)  // ICPC remark we don't want.
+#pragma warning(disable: 869)  // ICPC remark we don't want.
+#pragma warning(disable: 1287)  // ICPC remark we don't want.
+#pragma warning(disable: 279)  // ICPC remark we don't want.
+#pragma warning(disable: 981)  // ICPC remark we don't want.
+#endif
+
+
+namespace kaldi {
+
+
+// CharToString prints the character in a human-readable form, for debugging.
+std::string CharToString(const char &c);
+
+
+inline int MachineIsLittleEndian() {
+  int check = 1;
+  return (*reinterpret_cast<char*>(&check) != 0);
+}
+
+// This function kaldi::Sleep() provides a portable way to sleep for a possibly fractional
+// number of seconds.  On Windows it's only accurate to microseconds.
+void Sleep(float seconds);
+
+}
+
+#define KALDI_SWAP8(a) { \
+  int t = ((char*)&a)[0]; ((char*)&a)[0]=((char*)&a)[7]; ((char*)&a)[7]=t;\
+      t = ((char*)&a)[1]; ((char*)&a)[1]=((char*)&a)[6]; ((char*)&a)[6]=t;\
+      t = ((char*)&a)[2]; ((char*)&a)[2]=((char*)&a)[5]; ((char*)&a)[5]=t;\
+      t = ((char*)&a)[3]; ((char*)&a)[3]=((char*)&a)[4]; ((char*)&a)[4]=t;}
+#define KALDI_SWAP4(a) { \
+  int t = ((char*)&a)[0]; ((char*)&a)[0]=((char*)&a)[3]; ((char*)&a)[3]=t;\
+      t = ((char*)&a)[1]; ((char*)&a)[1]=((char*)&a)[2]; ((char*)&a)[2]=t;}
+#define KALDI_SWAP2(a) { \
+  int t = ((char*)&a)[0]; ((char*)&a)[0]=((char*)&a)[1]; ((char*)&a)[1]=t;}
+
+
+// Makes copy constructor and operator= private.  Same as in compat.h of OpenFst
+// toolkit.  If using VS, for which this results in compilation errors, we
+// do it differently.
+
+#if defined(_MSC_VER)
+#define KALDI_DISALLOW_COPY_AND_ASSIGN(type) \
+  void operator = (const type&)
+#else
+#define KALDI_DISALLOW_COPY_AND_ASSIGN(type)    \
+  type(const type&);                  \
+  void operator = (const type&)
+#endif
+
+template<bool B> class KaldiCompileTimeAssert { };
+template<> class KaldiCompileTimeAssert<true> {
+ public:
+  static inline void Check() { }  
+};
+
+#define KALDI_COMPILE_TIME_ASSERT(b) KaldiCompileTimeAssert<(b)>::Check()
+
+#define KALDI_ASSERT_IS_INTEGER_TYPE(I) \
+  KaldiCompileTimeAssert<std::numeric_limits<I>::is_specialized \
+                 && std::numeric_limits<I>::is_integer>::Check()
+
+#define KALDI_ASSERT_IS_FLOATING_TYPE(F) \
+  KaldiCompileTimeAssert<std::numeric_limits<F>::is_specialized \
+                && !std::numeric_limits<F>::is_integer>::Check()
+
+#ifdef _MSC_VER
+#include <stdio.h>
+#define unlink _unlink
+#else
+#include <unistd.h>
+#endif
+
+
+#ifdef _MSC_VER
+#define KALDI_STRCASECMP _stricmp
+#else
+#define KALDI_STRCASECMP strcasecmp
+#endif
+#ifdef _MSC_VER
+#  define KALDI_STRTOLL(cur_cstr, end_cstr) _strtoi64(cur_cstr, end_cstr, 10);
+#else
+#  define KALDI_STRTOLL(cur_cstr, end_cstr) strtoll(cur_cstr, end_cstr, 10);
+#endif
+
+#define KALDI_STRTOD(cur_cstr, end_cstr) strtod(cur_cstr, end_cstr)
+
+#ifdef _MSC_VER
+#  define KALDI_STRTOF(cur_cstr, end_cstr) \
+    static_cast<float>(strtod(cur_cstr, end_cstr));
+#else
+#  define KALDI_STRTOF(cur_cstr, end_cstr) strtof(cur_cstr, end_cstr);
+#endif
+
+#endif  // KALDI_BASE_KALDI_UTILS_H_
+