OpenTTD Source
20241108-master-g80f628063a
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Overflow safe template for integers, i.e. More...
#include <overflowsafe_type.hpp>
Public Member Functions | |
constexpr | OverflowSafeInt (const OverflowSafeInt &other) |
constexpr | OverflowSafeInt (const T int_) |
constexpr OverflowSafeInt & | operator= (const OverflowSafeInt &other) |
constexpr OverflowSafeInt & | operator= (T other) |
constexpr OverflowSafeInt | operator- () const |
constexpr OverflowSafeInt & | operator+= (const OverflowSafeInt &other) |
Safe implementation of addition. More... | |
constexpr OverflowSafeInt & | operator-= (const OverflowSafeInt &other) |
Safe implementation of subtraction. More... | |
constexpr OverflowSafeInt | operator+ (const OverflowSafeInt &other) const |
constexpr OverflowSafeInt | operator+ (const int other) const |
constexpr OverflowSafeInt | operator+ (const uint other) const |
constexpr OverflowSafeInt | operator- (const OverflowSafeInt &other) const |
constexpr OverflowSafeInt | operator- (const int other) const |
constexpr OverflowSafeInt | operator- (const uint other) const |
constexpr OverflowSafeInt & | operator++ () |
constexpr OverflowSafeInt & | operator-- () |
constexpr OverflowSafeInt | operator++ (int) |
constexpr OverflowSafeInt | operator-- (int) |
constexpr OverflowSafeInt & | operator*= (const int factor) |
Safe implementation of multiplication. More... | |
constexpr OverflowSafeInt | operator* (const int64_t factor) const |
constexpr OverflowSafeInt | operator* (const int factor) const |
constexpr OverflowSafeInt | operator* (const uint factor) const |
constexpr OverflowSafeInt | operator* (const uint16_t factor) const |
constexpr OverflowSafeInt | operator* (const uint8_t factor) const |
constexpr OverflowSafeInt & | operator/= (const int64_t divisor) |
constexpr OverflowSafeInt | operator/ (const OverflowSafeInt &divisor) const |
constexpr OverflowSafeInt | operator/ (const int divisor) const |
constexpr OverflowSafeInt | operator/ (const uint divisor) const |
constexpr OverflowSafeInt & | operator%= (const int divisor) |
constexpr OverflowSafeInt | operator% (const int divisor) const |
constexpr OverflowSafeInt & | operator<<= (const int shift) |
constexpr OverflowSafeInt | operator<< (const int shift) const |
constexpr OverflowSafeInt & | operator>>= (const int shift) |
constexpr OverflowSafeInt | operator>> (const int shift) const |
constexpr bool | operator== (const OverflowSafeInt &other) const |
constexpr bool | operator!= (const OverflowSafeInt &other) const |
constexpr bool | operator> (const OverflowSafeInt &other) const |
constexpr bool | operator>= (const OverflowSafeInt &other) const |
constexpr bool | operator< (const OverflowSafeInt &other) const |
constexpr bool | operator<= (const OverflowSafeInt &other) const |
constexpr bool | operator== (const int other) const |
constexpr bool | operator!= (const int other) const |
constexpr bool | operator> (const int other) const |
constexpr bool | operator>= (const int other) const |
constexpr bool | operator< (const int other) const |
constexpr bool | operator<= (const int other) const |
constexpr | operator T () const |
Static Public Member Functions | |
static constexpr OverflowSafeInt< T > | max () |
static constexpr OverflowSafeInt< T > | min () |
Private Attributes | |
T | m_value |
The non-overflow safe backend to store the value in. | |
Static Private Attributes | |
static constexpr T | T_MAX = std::numeric_limits<T>::max() |
static constexpr T | T_MIN = std::numeric_limits<T>::min() |
Overflow safe template for integers, i.e.
integers that will never overflow when you multiply the maximum value with 2, or add 2, or subtract something from the minimum value, etc.
T | the type these integers are stored with. |
Definition at line 29 of file overflowsafe_type.hpp.
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inlineconstexpr |
Safe implementation of multiplication.
factor | the factor to multiply this with. |
Definition at line 113 of file overflowsafe_type.hpp.
References OverflowSafeInt< T >::m_value.
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inlineconstexpr |
Safe implementation of addition.
other | the amount to add |
Definition at line 53 of file overflowsafe_type.hpp.
References OverflowSafeInt< T >::m_value.
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inlineconstexpr |
Safe implementation of subtraction.
other | the amount to subtract |
Definition at line 76 of file overflowsafe_type.hpp.
References OverflowSafeInt< T >::m_value.