img_base.h

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#ifndef IMG_BASE_H_
#define IMG_BASE_H_


template<bool> struct NON_TRUE_EXPR_CompileTimeError;
template<> struct NON_TRUE_EXPR_CompileTimeError<true> {};

#define STATIC_ASSERT(exp) (NON_TRUE_EXPR_CompileTimeError< (exp) >())  

template<typename> struct NON_FLOAT_OR_DOUBLE_TYPE_CompileTimeError;
template<> struct NON_FLOAT_OR_DOUBLE_TYPE_CompileTimeError<float> {};
template<> struct NON_FLOAT_OR_DOUBLE_TYPE_CompileTimeError<double> {};

#define STATIC_FLOAT_OR_DOUBLE_TYPECHECK(type) (NON_FLOAT_OR_DOUBLE_TYPE_CompileTimeError< type >())

#ifndef NULL
 #ifdef __cplusplus
  #define NULL 0
 #else
  #define NULL ((void *)0)
 #endif
#endif

#include <assert.h>
#include <math.h>
#include <exception>
#include <typeinfo>

namespace img {

class ImageException: public std::exception
{
public:
  const char *message;
  ImageException():exception(),message("no message"){}
  ImageException(const char *arg_message):exception(),message(arg_message){}
  virtual ~ImageException () throw (){}
};

} //end namespace img

#endif /*IMG_BASE_H_*/