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fixed_point: Mark relevant member function [[nodiscard]]
Marks member functions as discard, where ignoring the return value would be indicative of a bug or dead code.
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@ -304,11 +304,11 @@ public: // comparison operators
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friend constexpr auto operator<=>(FixedPoint lhs, FixedPoint rhs) = default;
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friend constexpr auto operator<=>(FixedPoint lhs, FixedPoint rhs) = default;
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public: // unary operators
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public: // unary operators
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constexpr bool operator!() const {
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[[nodiscard]] constexpr bool operator!() const {
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return !data_;
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return !data_;
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}
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}
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constexpr FixedPoint operator~() const {
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[[nodiscard]] constexpr FixedPoint operator~() const {
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// NOTE(eteran): this will often appear to "just negate" the value
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// NOTE(eteran): this will often appear to "just negate" the value
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// that is not an error, it is because -x == (~x+1)
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// that is not an error, it is because -x == (~x+1)
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// and that "+1" is adding an infinitesimally small fraction to the
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// and that "+1" is adding an infinitesimally small fraction to the
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@ -316,11 +316,11 @@ public: // unary operators
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return FixedPoint::from_base(~data_);
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return FixedPoint::from_base(~data_);
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}
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}
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constexpr FixedPoint operator-() const {
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[[nodiscard]] constexpr FixedPoint operator-() const {
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return FixedPoint::from_base(-data_);
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return FixedPoint::from_base(-data_);
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}
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}
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constexpr FixedPoint operator+() const {
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[[nodiscard]] constexpr FixedPoint operator+() const {
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return FixedPoint::from_base(+data_);
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return FixedPoint::from_base(+data_);
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}
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}
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@ -406,42 +406,42 @@ public: // conversion to basic types
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data_ += (data_ & fractional_mask) >> 1;
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data_ += (data_ & fractional_mask) >> 1;
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}
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}
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constexpr int to_int() {
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[[nodiscard]] constexpr int to_int() {
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round_up();
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round_up();
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return static_cast<int>((data_ & integer_mask) >> fractional_bits);
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return static_cast<int>((data_ & integer_mask) >> fractional_bits);
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}
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}
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constexpr unsigned int to_uint() {
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[[nodiscard]] constexpr unsigned int to_uint() {
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round_up();
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round_up();
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return static_cast<unsigned int>((data_ & integer_mask) >> fractional_bits);
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return static_cast<unsigned int>((data_ & integer_mask) >> fractional_bits);
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}
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}
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constexpr int64_t to_long() {
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[[nodiscard]] constexpr int64_t to_long() {
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round_up();
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round_up();
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return static_cast<int64_t>((data_ & integer_mask) >> fractional_bits);
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return static_cast<int64_t>((data_ & integer_mask) >> fractional_bits);
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}
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}
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constexpr int to_int_floor() const {
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[[nodiscard]] constexpr int to_int_floor() const {
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return static_cast<int>((data_ & integer_mask) >> fractional_bits);
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return static_cast<int>((data_ & integer_mask) >> fractional_bits);
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}
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}
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constexpr int64_t to_long_floor() const {
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[[nodiscard]] constexpr int64_t to_long_floor() const {
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return static_cast<int64_t>((data_ & integer_mask) >> fractional_bits);
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return static_cast<int64_t>((data_ & integer_mask) >> fractional_bits);
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}
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}
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constexpr unsigned int to_uint_floor() const {
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[[nodiscard]] constexpr unsigned int to_uint_floor() const {
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return static_cast<unsigned int>((data_ & integer_mask) >> fractional_bits);
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return static_cast<unsigned int>((data_ & integer_mask) >> fractional_bits);
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}
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}
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constexpr float to_float() const {
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[[nodiscard]] constexpr float to_float() const {
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return static_cast<float>(data_) / FixedPoint::one;
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return static_cast<float>(data_) / FixedPoint::one;
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}
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}
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constexpr double to_double() const {
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[[nodiscard]] constexpr double to_double() const {
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return static_cast<double>(data_) / FixedPoint::one;
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return static_cast<double>(data_) / FixedPoint::one;
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}
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}
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constexpr base_type to_raw() const {
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[[nodiscard]] constexpr base_type to_raw() const {
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return data_;
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return data_;
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}
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}
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@ -449,7 +449,7 @@ public: // conversion to basic types
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data_ &= fractional_mask;
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data_ &= fractional_mask;
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}
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}
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constexpr base_type get_frac() const {
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[[nodiscard]] constexpr base_type get_frac() const {
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return data_ & fractional_mask;
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return data_ & fractional_mask;
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}
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}
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