Import Geant4 11.0.0.beta source tree

source/externals/g4tools/include/tools/vdata

@@ -0,0 +1,61 @@
+// 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