checked_math_impl.h File Reference

#include <climits>
#include <cmath>
#include <cstddef>
#include <cstdint>
#include <cstdlib>
#include <limits>
#include <type_traits>
#include "base/numerics/safe_conversions.h"
#include "base/numerics/safe_math_shared_impl.h"

Go to the source code of this file.

Classes
struct	base::internal::CheckedAddOp< T, U, Enable >
struct	base::internal::CheckedAddOp< T, U, typename std::enable_if< std::is_integral< T >::value &&std::is_integral< U >::value >::type >
struct	base::internal::CheckedSubOp< T, U, Enable >
struct	base::internal::CheckedSubOp< T, U, typename std::enable_if< std::is_integral< T >::value &&std::is_integral< U >::value >::type >
struct	base::internal::CheckedMulOp< T, U, Enable >
struct	base::internal::CheckedMulOp< T, U, typename std::enable_if< std::is_integral< T >::value &&std::is_integral< U >::value >::type >
struct	base::internal::CheckedDivOp< T, U, Enable >
struct	base::internal::CheckedDivOp< T, U, typename std::enable_if< std::is_integral< T >::value &&std::is_integral< U >::value >::type >
struct	base::internal::CheckedModOp< T, U, Enable >
struct	base::internal::CheckedModOp< T, U, typename std::enable_if< std::is_integral< T >::value &&std::is_integral< U >::value >::type >
struct	base::internal::CheckedLshOp< T, U, Enable >
struct	base::internal::CheckedLshOp< T, U, typename std::enable_if< std::is_integral< T >::value &&std::is_integral< U >::value >::type >
struct	base::internal::CheckedRshOp< T, U, Enable >
struct	base::internal::CheckedRshOp< T, U, typename std::enable_if< std::is_integral< T >::value &&std::is_integral< U >::value >::type >
struct	base::internal::CheckedAndOp< T, U, Enable >
struct	base::internal::CheckedAndOp< T, U, typename std::enable_if< std::is_integral< T >::value &&std::is_integral< U >::value >::type >
struct	base::internal::CheckedOrOp< T, U, Enable >
struct	base::internal::CheckedOrOp< T, U, typename std::enable_if< std::is_integral< T >::value &&std::is_integral< U >::value >::type >
struct	base::internal::CheckedXorOp< T, U, Enable >
struct	base::internal::CheckedXorOp< T, U, typename std::enable_if< std::is_integral< T >::value &&std::is_integral< U >::value >::type >
struct	base::internal::CheckedMaxOp< T, U, Enable >
struct	base::internal::CheckedMaxOp< T, U, typename std::enable_if< std::is_arithmetic< T >::value &&std::is_arithmetic< U >::value >::type >
struct	base::internal::CheckedMinOp< T, U, Enable >
struct	base::internal::CheckedMinOp< T, U, typename std::enable_if< std::is_arithmetic< T >::value &&std::is_arithmetic< U >::value >::type >
struct	base::internal::GetNumericRepresentation< NumericType >
class	base::internal::CheckedNumericState< T, type >
class	base::internal::CheckedNumericState< T, NUMERIC_INTEGER >
class	base::internal::CheckedNumericState< T, NUMERIC_FLOATING >

Namespaces
namespace	base
namespace	base::internal

Macros
#define	BASE_FLOAT_ARITHMETIC_OPS(NAME, OP)

Enumerations
enum	base::internal::NumericRepresentation {   base::internal::NUMERIC_INTEGER ,   base::internal::NUMERIC_FLOATING ,   base::internal::NUMERIC_UNKNOWN }

Functions
template<typename T >
constexpr bool	base::internal::CheckedAddImpl (T x, T y, T *result)
template<typename T >
constexpr bool	base::internal::CheckedSubImpl (T x, T y, T *result)
template<typename T >
constexpr bool	base::internal::CheckedMulImpl (T x, T y, T *result)

Macro Definition Documentation

BASE_FLOAT_ARITHMETIC_OPS

#define BASE_FLOAT_ARITHMETIC_OPS	(		NAME,
			OP
	)

Value:

  template <typename T, typename U>                                      \
  struct Checked##NAME##Op<                                              \
      T, U,                                                              \
      typename std::enable_if<std::is_floating_point<T>::value ||        \
                              std::is_floating_point<U>::value>::type> { \
    using result_type = typename MaxExponentPromotion<T, U>::type;       \
    template <typename V>                                                \
    static constexpr bool Do(T x, U y, V* result) {                      \
      using Promotion = typename MaxExponentPromotion<T, U>::type;       \
      Promotion presult = x OP y;                                        \
      *result = static_cast<V>(presult);                                 \
      return IsValueInRangeForNumericType<V>(presult);                   \
    }                                                                    \
  };

Definition at line 429 of file checked_math_impl.h.

                                                                 { \
    using result_type = typename MaxExponentPromotion<T, U>::type;       \
    template <typename V>                                                \
    static constexpr bool Do(T x, U y, V* result) {                      \
      using Promotion = typename MaxExponentPromotion<T, U>::type;       \
      Promotion presult = x OP y;                                        \
      *result = static_cast<V>(presult);                                 \
      return IsValueInRangeForNumericType<V>(presult);                   \
    }                                                                    \
  };