checked_math_impl.h File Reference

(08e24b2ba6847221abd35e9b994206b764d6b322)

#include <stddef.h>
#include <stdint.h>
#include <climits>
#include <cmath>
#include <cstdlib>
#include <limits>
#include <type_traits>
#include "core/fxcrt/numerics/safe_conversions.h"
#include "core/fxcrt/numerics/safe_math_shared_impl.h"

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

Namespaces
namespace	pdfium
namespace	pdfium::internal

Macros
#define	BASE_FLOAT_ARITHMETIC_OPS(NAME, OP)

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

Functions
template<typename T>
constexpr bool	pdfium::internal::CheckedAddImpl (T x, T y, T *result)
template<typename T>
constexpr bool	pdfium::internal::CheckedSubImpl (T x, T y, T *result)
template<typename T>
constexpr bool	pdfium::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;       \
      const Promotion presult = x OP y;                                  \
      if (!IsValueInRangeForNumericType<V>(presult))                     \
        return false;                                                    \
      *result = static_cast<V>(presult);                                 \
      return true;                                                       \
    }                                                                    \
  };

Definition at line 468 of file checked_math_impl.h.