allocation.h

/*******************************************************************************
//
//  SYCL 2020 Conformance Test Suite
//
//  Provide union that let allocate memory without default constructor calling
//
*******************************************************************************/

#ifndef __SYCL_UTIL_ALLOCATION_H
#define __SYCL_UTIL_ALLOCATION_H

#include "../tests/common/common.h"

namespace sycl_cts {
namespace util {

// Use a union to avoid calling variable ​"value"'s default constructor
template <typename T>
union remove_initialization {
  using value_type = T;
  T value;
  remove_initialization() {}

  template <typename ValT>
  void operator=(const ValT &val) {
    this->value = val;
  }

  friend bool operator==(const remove_initialization &lhs,
                         const remove_initialization &rhs) {
    return check_equal_values(lhs.value, rhs.value);
  }

  operator value_type &() { return value; }
  operator const value_type &() const { return value; }

  value_type *data() { return &value; }
  const value_type *data() const { return &value; }
};

}  // namespace util
}  // namespace sycl_cts

#endif  // __SYCLCTS_UTIL_ACCURACY_H