vdata

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_vdata
#define tools_vdata
 
#include <vector>
 
#if defined(__APPLE__)
#include <TargetConditionals.h>
#endif
 
namespace tools {
 
// || !__GXX_EXPERIMENTAL_CXX0X__
 
template <class T>
inline const T* vec_data(const std::vector<T>& a_vec) {
#if TARGET_OS_IPHONE || __INTEL_COMPILER || _MSC_VER || (__GNUC__ == 4 && __GNUC_MINOR__ <= 0)
  if(a_vec.empty()) return 0;
  const T& vf = a_vec.front();
  return &vf;
#else
  return a_vec.data();
#endif
}
 
template <class T>
inline T* vec_data(std::vector<T>& a_vec) {
#if TARGET_OS_IPHONE || __INTEL_COMPILER || _MSC_VER || (__GNUC__ == 4 && __GNUC_MINOR__ <= 0)
  if(a_vec.empty()) return 0;
  T& vf = a_vec.front();
  return &vf;
#else
  return a_vec.data();
#endif
}
 
/*
#include "forit"
//std::vector<bool>::data() does not compile. The below may do the job :
inline bool* _vec_data(std::vector<bool>& a_v,bool& a_to_delete) {
  a_to_delete = true;
  bool* _data = new bool[a_v.size()+1];
  size_t count = 0;
  tools_vforcit(bool,a_v,it) {_data[count] = *it;count++;}
  return _data;
}
 
template <class TYPE>
inline TYPE* _vec_data(std::vector<TYPE>& a_v,bool& a_to_delete) {
  a_to_delete = false;
  return vec_data(a_v);
}
*/
 
inline void tools_vdata_check_compile() {std::vector<double> v;vec_data(v);}
 
}
 
#endif