fix scoped_refptr
This commit is contained in:
tqcq
parent
e3fd80811a
commit
d4deb0ae03
@ -56,8 +56,8 @@ void Log(LogLevel level,
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#define SLOG_ASSERT(cond, tag, fmt, ...) \
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do { \
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if (!(cond)) { \
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SLOG(sled::LogLevel::kFatal, __VA_ARGS__); \
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if (!!(cond)) { \
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SLOG(sled::LogLevel::kFatal, tag, fmt, ##__VA_ARGS__); \
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assert(cond); \
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} \
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} while (0)
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@ -87,6 +87,6 @@ void Log(LogLevel level,
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#define LOGF(tag, fmt, ...) \
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SLOG(sled::LogLevel::kFatal, tag, fmt, ##__VA_ARGS__)
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#define ASSERT(cond, fmt, ...) SLOG_ASSERT(cond, "ASSERT", fmt, ##__VA_ARGS__);
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#define ASSERT(cond, fmt, ...) SLOG_ASSERT(cond, "ASSERT", fmt, ##__VA_ARGS__)
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#endif// LOG_H
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708
include/sled/numerics/fixed_point_number.h
Normal file
708
include/sled/numerics/fixed_point_number.h
Normal file
@ -0,0 +1,708 @@
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/*
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The MIT License (MIT)
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Copyright (c) 2015 Julius Ikkala
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef FIXED_POINT_H_
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#define FIXED_POINT_H_
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#include <Eigen/Eigen>
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#include <cmath>
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#include <cstdint>
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#include <fmt/ostream.h>
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#include <type_traits>
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//==========================================================================
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//Fixed-point numbers
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//==========================================================================
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namespace fp {
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/*The fixed-point number class. f is the amount of fractional bits, I is
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the internal type. If I is signed, q will be signed.*/
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template<unsigned f, typename I>
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struct q {
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I i;
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q(int i = 0); /*Integer literals are int*/
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q(unsigned u);
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q(uintmax_t s);
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q(double d);
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q(long double d);
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template<unsigned fb>
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q(q<fb, I> a);
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operator int() const;
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operator float() const;
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operator double() const;
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operator long double() const;
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template<unsigned fb>
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q<f, I> operator+(q<fb, I> b) const;
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template<unsigned fb>
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q<f, I> operator-(q<fb, I> b) const;
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template<unsigned fb>
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q<f, I> operator*(q<fb, I> b) const;
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template<unsigned fb>
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q<f, I> operator/(q<fb, I> b) const;
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template<unsigned fb>
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q<f, I> operator%(q<fb, I> b) const;
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template<typename T>
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q<f, I> operator+(T b) const;
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template<typename T>
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q<f, I> operator-(T b) const;
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template<typename T>
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q<f, I> operator*(T b) const;
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template<typename T>
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q<f, I> operator/(T b) const;
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template<typename T>
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q<f, I> operator%(T b) const;
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template<typename T>
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q<f, I> &operator+=(T b);
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template<typename T>
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q<f, I> &operator-=(T b);
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template<typename T>
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q<f, I> &operator*=(T b);
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template<typename T>
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q<f, I> &operator/=(T b);
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template<typename T>
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q<f, I> &operator%=(T b);
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q<f, I> operator-() const;
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template<unsigned fb>
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q<f, I> &operator=(q<fb, I> b);
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q<f, I> &operator=(int b);
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q<f, I> &operator=(double b);
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q<f, I> &operator=(long double b);
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template<unsigned fb>
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bool operator>=(q<fb, I> b) const;
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template<unsigned fb>
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bool operator>(q<fb, I> b) const;
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template<unsigned fb>
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bool operator<=(q<fb, I> b) const;
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template<unsigned fb>
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bool operator<(q<fb, I> b) const;
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template<unsigned fb>
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bool operator==(q<fb, I> b) const;
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template<unsigned fb>
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bool operator!=(q<fb, I> b) const;
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friend std::ostream &operator<<(std::ostream &os, const q<f, I> &fp)
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{
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os << (float) fp;
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return os;
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}
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friend std::istream &operator>>(std::istream &is, q<f, I> &fp)
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{
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float val;
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is >> val;
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fp = val;
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return is;
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}
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};
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typedef q<16, uint32_t> UQ16_16;
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typedef q<32, uint64_t> UQ32_32;
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typedef q<16, uint64_t> UQ48_16;
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typedef q<16, int32_t> Q16_16;
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typedef q<32, int64_t> Q32_32;
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typedef q<16, int64_t> Q48_16;
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/*Returns the absolute value of x*/
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template<unsigned f, typename I>
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q<f, I> abs(q<f, I> x);
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}// namespace fp
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//==========================================================================
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//Internal helper functions and classes
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//==========================================================================
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namespace fp_internal {
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/*Count leading zeroes*/
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template<typename T>
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unsigned
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clz(T x)
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{
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unsigned i = 0;
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while (!(x & (((T) 1) << (sizeof(T) * 8 - 1))) && (x <<= 1)) ++i;
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return i;
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}
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/*Used to select the correct shift operator in compile-time*/
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template<int shift, bool rsh, bool zero, typename T>
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struct shifter {
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static T op(T x);
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};
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template<int shift, typename T>
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struct shifter<shift, true, false, T> {
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static T op(T x) { return x >> shift; };
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};
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template<int shift, typename T>
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struct shifter<shift, false, false, T> {
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static T op(T x) { return x << -shift; };
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};
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template<int shift, bool rsh, typename T>
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struct shifter<shift, rsh, true, T> {
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static T op(T x) { return 0; };
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};
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template<typename T>
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constexpr T
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abs_helper(const T x) noexcept
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{
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return (// deal with signed-zeros
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x == T(0) ? T(0) :
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// else
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x < T(0) ? -x
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: x);
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}
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/*Signed right shift. Accepts negative values of shift and never
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complains about too big shifts. Compile-time version.*/
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template<int shift, typename T>
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constexpr T
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signed_rsh(T x)
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{
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return shifter<shift, (shift >= 0), (abs_helper(shift) >= sizeof(T) * 8),
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T>::op(x);
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}
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/*Signed right shift, run time version.*/
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template<typename T>
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T
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signed_rsh(T x, int shift)
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{
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return std::abs(shift) < sizeof(T) * 8
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? (shift < 0 ? x << -shift : x >> shift)
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: 0;
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}
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/*Signed left shift, compile-time version*/
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template<int shift, typename T>
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T
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signed_lsh(T x)
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{
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return signed_rsh<-shift, T>(x);
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}
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/*Signed left shift, run time version*/
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template<typename T>
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T
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signed_lsh(T x, int shift)
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{
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return std::abs(shift) < sizeof(T) * 8
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? (shift < 0 ? x >> -shift : x << shift)
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: 0;
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}
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/*Multiplies and simultaneously right-shifts the argument values,
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without losing the high bits. Compile-time version*/
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template<int shift, typename T>
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T
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mul_rsh(T a, T b)
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{
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typedef typename std::make_unsigned<T>::type U;
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static const int bits = sizeof(T) * 8;
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static const int halfbits = sizeof(T) * 4;
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static const U lowmask = (((T) 1) << (halfbits)) - 1;
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static const U highmask = lowmask << (halfbits);
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T a1 = a >> (halfbits);
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T a2 = a - (a & highmask);
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T b1 = b >> (halfbits);
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T b2 = b - (b & highmask);
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T a1b1 = a1 * b1;
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T a1b2 = a1 * b2;
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T a2b1 = a2 * b1;
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T a2b2 = a2 * b2;
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U high = a1b1 + (a2b1 >> (halfbits)) + (a1b2 >> (halfbits));
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U low = a2b2;
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high += (low += (a2b1 << halfbits)) < a2b2;
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U tmp = low;
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high += (low += (a1b2 << halfbits)) < tmp;
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low = signed_rsh<shift>(low);
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low += signed_lsh<bits - shift>(high);
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return low;
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}
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/*Run time version*/
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template<typename T>
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T
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mul_rsh(T a, T b, int shift)
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{
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typedef typename std::make_unsigned<T>::type U;
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static const int bits = sizeof(T) * 8;
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static const int halfbits = sizeof(T) * 4;
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static const U lowmask = (((T) 1) << (halfbits)) - 1;
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static const U highmask = lowmask << (halfbits);
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T a1 = a >> (halfbits);
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T a2 = a - (a & highmask);
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T b1 = b >> (halfbits);
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T b2 = b - (b & highmask);
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T a1b1 = a1 * b1;
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T a1b2 = a1 * b2;
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T a2b1 = a2 * b1;
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T a2b2 = a2 * b2;
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U high = a1b1 + (a2b1 >> (halfbits)) + (a1b2 >> (halfbits));
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U low = a2b2;
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high += (low += (a2b1 << halfbits)) < a2b2;
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U tmp = low;
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high += (low += (a1b2 << halfbits)) < tmp;
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low = signed_rsh(low, shift);
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low += signed_lsh(high, bits - shift);
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return low;
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}
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}// namespace fp_internal
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//==========================================================================
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//Implementation
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//==========================================================================
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template<unsigned f, typename I>
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fp::q<f, I>::q(int u)
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{
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i = fp_internal::signed_lsh<f>((I) u);
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}
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template<unsigned f, typename I>
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fp::q<f, I>::q(unsigned u)
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{
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i = fp_internal::signed_lsh<f>((I) u);
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}
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template<unsigned f, typename I>
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fp::q<f, I>::q(uintmax_t s)
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{
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i = fp_internal::signed_lsh<f>((I) s);
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}
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template<unsigned f, typename I>
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fp::q<f, I>::q(double d)
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{
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int exp = 0;
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double tmp = frexp(d, &exp);
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i = lroundl(ldexp(tmp, exp + f));
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}
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template<unsigned f, typename I>
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fp::q<f, I>::q(long double d)
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{
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int exp = 0;
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long double tmp = frexp(d, &exp);
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i = llroundl(ldexp(tmp, exp + f));
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}
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template<unsigned f, typename I>
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template<unsigned fb>
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fp::q<f, I>::q(q<fb, I> a)
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{
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i = fp_internal::signed_rsh<fb - f>(a.i);
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}
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template<unsigned f, typename I>
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fp::q<f, I>::operator int() const
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{
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return fp_internal::signed_rsh<f>(i);
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}
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template<unsigned f, typename I>
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fp::q<f, I>::operator float() const
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{
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return ldexpf((float) i, -(int) f);
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}
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template<unsigned f, typename I>
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fp::q<f, I>::operator double() const
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{
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return ldexp((double) i, -(int) f);
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}
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template<unsigned f, typename I>
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fp::q<f, I>::operator long double() const
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{
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return ldexp((long double) i, -(int) f);
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}
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template<unsigned f, typename I>
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template<unsigned fb>
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fp::q<f, I>
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fp::q<f, I>::operator+(q<fb, I> b) const
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{
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q<f, I> t;
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t.i = i + fp_internal::signed_rsh<fb - f>(b.i);
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return t;
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}
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template<unsigned f, typename I>
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template<unsigned fb>
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fp::q<f, I>
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fp::q<f, I>::operator-(q<fb, I> b) const
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{
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q<f, I> t;
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t.i = i - fp_internal::signed_rsh<fb - f>(b.i);
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return t;
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}
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template<unsigned f, typename I>
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template<unsigned fb>
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fp::q<f, I>
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fp::q<f, I>::operator*(q<fb, I> b) const
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{
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q<f, I> t;
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t.i = fp_internal::mul_rsh<fb>(i, b.i);
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return t;
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}
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template<unsigned f, typename I>
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template<unsigned fb>
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fp::q<f, I>
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fp::q<f, I>::operator/(q<fb, I> b) const
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{
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static const I msb = (I) 1
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<< (sizeof(I) * 8 - 1);//Most significant bit for the type
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//Make b positive so that leading zeroes can be properly computed
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I abs_b = b.i < 0 ? -b.i : b.i;
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unsigned lz = fp_internal::clz(abs_b);//Amount of leading zeroes
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//normalize b to [0.5, 1.0[, where all digits are after radix
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I d = (abs_b << lz);
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q<sizeof(I) * 8 + 1, typename std::make_unsigned<I>::type> e;
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e.i = (~d + 1) << 1;//[0, 0.5[
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//r is the reciprocal of d
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q<sizeof(I) * 8 - 1, typename std::make_unsigned<I>::type> r(1);
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for (unsigned i = 0; i < sizeof(I) - 1; ++i) {
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r = r + r * e;
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e = e * e;
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}
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q<f, I> t;
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t.i = (I) fp_internal::mul_rsh(//adjust the radix point of (this*r)
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r.i,
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(typename std::make_unsigned<I>::type)(this->i < 0 ? -this->i
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: this->i),
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sizeof(i) * 16 - fb - lz - (d == msb) - 1);
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t.i = (b.i < 0) ^ (this->i < 0) ? -t.i : t.i;//set correct sign
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return t;
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}
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template<unsigned f, typename I>
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template<unsigned fb>
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fp::q<f, I>
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fp::q<f, I>::operator%(q<fb, I> b) const
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{
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q<f, I> t;
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t.i = i % fp_internal::signed_rsh<fb - f>(b.i);
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return t;
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}
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template<unsigned f, typename I>
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template<typename T>
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fp::q<f, I>
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fp::q<f, I>::operator+(T b) const
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{
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return *this + q<f, I>(b);
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}
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template<unsigned f, typename I>
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template<typename T>
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fp::q<f, I>
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fp::q<f, I>::operator-(T b) const
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{
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return *this - q<f, I>(b);
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}
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template<unsigned f, typename I>
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template<typename T>
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fp::q<f, I>
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fp::q<f, I>::operator*(T b) const
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{
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return *this * q<f, I>(b);
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}
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template<unsigned f, typename I>
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template<typename T>
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fp::q<f, I>
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fp::q<f, I>::operator/(T b) const
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{
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return *this / q<f, I>(b);
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}
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template<unsigned f, typename I>
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template<typename T>
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fp::q<f, I>
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fp::q<f, I>::operator%(T b) const
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{
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return *this % q<f, I>(b);
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}
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template<unsigned f, typename I>
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template<typename T>
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fp::q<f, I> &
|
||||
fp::q<f, I>::operator+=(T b)
|
||||
{
|
||||
return *this = *this + b;
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
template<typename T>
|
||||
fp::q<f, I> &
|
||||
fp::q<f, I>::operator-=(T b)
|
||||
{
|
||||
return *this = *this - b;
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
template<typename T>
|
||||
fp::q<f, I> &
|
||||
fp::q<f, I>::operator*=(T b)
|
||||
{
|
||||
return *this = *this * b;
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
template<typename T>
|
||||
fp::q<f, I> &
|
||||
fp::q<f, I>::operator/=(T b)
|
||||
{
|
||||
return *this = *this / b;
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
template<typename T>
|
||||
fp::q<f, I> &
|
||||
fp::q<f, I>::operator%=(T b)
|
||||
{
|
||||
return *this = *this % b;
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
fp::q<f, I>
|
||||
fp::q<f, I>::operator-() const
|
||||
{
|
||||
q<f, I> t;
|
||||
t.i = -i;
|
||||
return t;
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
template<unsigned fb>
|
||||
fp::q<f, I> &
|
||||
fp::q<f, I>::operator=(q<fb, I> b)
|
||||
{
|
||||
i = fp_internal::signed_rsh<fb - f>(b.i);
|
||||
return *this;
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
fp::q<f, I> &
|
||||
fp::q<f, I>::operator=(int b)
|
||||
{
|
||||
i = fp_internal::signed_lsh<f>((I) b);
|
||||
return *this;
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
fp::q<f, I> &
|
||||
fp::q<f, I>::operator=(double b)
|
||||
{
|
||||
int exp = 0;
|
||||
double tmp = frexp(b, &exp);
|
||||
i = llroundl(ldexp(tmp, exp + f));
|
||||
return *this;
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
fp::q<f, I> &
|
||||
fp::q<f, I>::operator=(long double b)
|
||||
{
|
||||
int exp = 0;
|
||||
long double tmp = frexp(b, &exp);
|
||||
i = llroundl(ldexp(tmp, exp + f));
|
||||
return *this;
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
template<unsigned fb>
|
||||
bool
|
||||
fp::q<f, I>::operator>=(q<fb, I> b) const
|
||||
{
|
||||
static const unsigned bits = sizeof(I) * 8;
|
||||
I ma = fp_internal::signed_rsh<f>(i);
|
||||
I mb = fp_internal::signed_rsh<fb>(b.i);
|
||||
return (ma > mb)
|
||||
|| ((ma == mb)
|
||||
&& ((typename std::make_unsigned<I>::type)
|
||||
fp_internal::signed_lsh<bits - f>(i)
|
||||
>= (typename std::make_unsigned<I>::type)
|
||||
fp_internal::signed_lsh<bits - fb>(b.i)));
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
template<unsigned fb>
|
||||
bool
|
||||
fp::q<f, I>::operator>(q<fb, I> b) const
|
||||
{
|
||||
static const unsigned bits = sizeof(I) * 8;
|
||||
I ma = fp_internal::signed_rsh<f>(i);
|
||||
I mb = fp_internal::signed_rsh<fb>(b.i);
|
||||
return (ma > mb)
|
||||
|| ((ma == mb)
|
||||
&& ((typename std::make_unsigned<I>::type)
|
||||
fp_internal::signed_lsh<bits - f>(i)
|
||||
> (typename std::make_unsigned<I>::type)
|
||||
fp_internal::signed_lsh<bits - fb>(b.i)));
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
template<unsigned fb>
|
||||
bool
|
||||
fp::q<f, I>::operator<=(q<fb, I> b) const
|
||||
{
|
||||
static const unsigned bits = sizeof(I) * 8;
|
||||
I ma = fp_internal::signed_rsh<f>(i);
|
||||
I mb = fp_internal::signed_rsh<fb>(b.i);
|
||||
return (ma < mb)
|
||||
|| ((ma == mb)
|
||||
&& ((typename std::make_unsigned<I>::type)
|
||||
fp_internal::signed_lsh<bits - f>(i)
|
||||
<= (typename std::make_unsigned<I>::type)
|
||||
fp_internal::signed_lsh<bits - fb>(b.i)));
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
template<unsigned fb>
|
||||
bool
|
||||
fp::q<f, I>::operator<(q<fb, I> b) const
|
||||
{
|
||||
static const unsigned bits = sizeof(I) * 8;
|
||||
I ma = fp_internal::signed_rsh<f>(i);
|
||||
I mb = fp_internal::signed_rsh<fb>(b.i);
|
||||
return (ma < mb)
|
||||
|| ((ma == mb)
|
||||
&& ((typename std::make_unsigned<I>::type)
|
||||
fp_internal::signed_lsh<bits - f>(i)
|
||||
< (typename std::make_unsigned<I>::type)
|
||||
fp_internal::signed_lsh<bits - fb>(b.i)));
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
template<unsigned fb>
|
||||
bool
|
||||
fp::q<f, I>::operator==(q<fb, I> b) const
|
||||
{
|
||||
return fp_internal::signed_rsh<f - fb>(i) == b.i
|
||||
&& fp_internal::signed_rsh<fb - f>(b.i) == i;
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
template<unsigned fb>
|
||||
bool
|
||||
fp::q<f, I>::operator!=(q<fb, I> b) const
|
||||
{
|
||||
return fp_internal::signed_rsh<f - fb>(i) != b.i
|
||||
|| fp_internal::signed_rsh<fb - f>(b.i) != i;
|
||||
}
|
||||
|
||||
template<unsigned f, typename I>
|
||||
fp::q<f, I>
|
||||
fp::abs(q<f, I> x)
|
||||
{
|
||||
return (x.i >= 0 ? x : -x);
|
||||
}
|
||||
|
||||
namespace sled {
|
||||
template<unsigned bits, typename T>
|
||||
using FixedPoint = fp::q<bits, T>;
|
||||
|
||||
using FixedFloat = fp::Q32_32;
|
||||
|
||||
template<unsigned bits, typename T>
|
||||
inline const FixedPoint<bits, T>
|
||||
conj(const FixedPoint<bits, T> &val)
|
||||
{
|
||||
return val;
|
||||
}
|
||||
|
||||
template<unsigned bits, typename T>
|
||||
inline const FixedPoint<bits, T>
|
||||
real(const FixedPoint<bits, T> &val)
|
||||
{
|
||||
return val;
|
||||
}
|
||||
|
||||
template<unsigned bits, typename T>
|
||||
inline const FixedPoint<bits, T>
|
||||
imag(const FixedPoint<bits, T> &val)
|
||||
{
|
||||
return 0.;
|
||||
}
|
||||
|
||||
template<unsigned bits, typename T>
|
||||
inline const FixedPoint<bits, T>
|
||||
abs(const FixedPoint<bits, T> &val)
|
||||
{
|
||||
return fp::abs(val);
|
||||
}
|
||||
|
||||
template<unsigned bits, typename T>
|
||||
inline const FixedPoint<bits, T>
|
||||
abs2(const FixedPoint<bits, T> &val)
|
||||
{
|
||||
return val * val;
|
||||
}
|
||||
|
||||
}// namespace sled
|
||||
|
||||
template<unsigned bits, typename T>
|
||||
struct fmt::formatter<sled::FixedPoint<bits, T>> : ostream_formatter {};
|
||||
|
||||
namespace Eigen {
|
||||
template<unsigned bits, typename T>
|
||||
struct NumTraits<sled::FixedPoint<bits, T>> : NumTraits<float> {
|
||||
typedef sled::FixedPoint<bits, T> Real;
|
||||
typedef sled::FixedPoint<bits, T> NonInteger;
|
||||
typedef sled::FixedPoint<bits, T> Nested;
|
||||
|
||||
enum {
|
||||
IsComplex = 0,
|
||||
IsInteger = 0,
|
||||
IsSigned = std::is_signed<T>::value,
|
||||
RequireInitialization = 1,
|
||||
ReadCost = 1,
|
||||
AddCost = 3,
|
||||
MulCost = 3
|
||||
};
|
||||
};
|
||||
|
||||
template<typename BinaryOp, unsigned bits, typename T>
|
||||
struct ScalarBinaryOpTraits<sled::FixedPoint<bits, T>, float, BinaryOp> {
|
||||
typedef sled::FixedPoint<bits, T> ReturnType;
|
||||
};
|
||||
|
||||
template<typename BinaryOp, unsigned bits, typename T>
|
||||
struct ScalarBinaryOpTraits<float, sled::FixedPoint<bits, T>, BinaryOp> {
|
||||
typedef sled::FixedPoint<bits, T> ReturnType;
|
||||
};
|
||||
|
||||
}// namespace Eigen
|
||||
|
||||
#endif
|
||||
@ -14,38 +14,38 @@ namespace sled {
|
||||
|
||||
template<typename T, size_t LEN>
|
||||
class CircleQueue {
|
||||
static_assert(LEN > 0, "LEN should be greater than 0");
|
||||
static_assert(LEN > 0, "LEN should be greater than 0.");
|
||||
|
||||
public:
|
||||
void Push(T &&val)
|
||||
{
|
||||
ASSERT(size() < LEN, "queue is full");
|
||||
ASSERT(size() < LEN, "queue is full.");
|
||||
queue_.get(tail_) = std::move(val);
|
||||
++tail_;
|
||||
}
|
||||
|
||||
void Push(const T &val)
|
||||
{
|
||||
ASSERT(size() < LEN, "queue is full");
|
||||
ASSERT(size() < LEN, "queue is full.");
|
||||
queue_.get(tail_) = val;
|
||||
++tail_;
|
||||
}
|
||||
|
||||
T &Front()
|
||||
{
|
||||
ASSERT(!empty());
|
||||
ASSERT(!empty(), "queue is empty.");
|
||||
return queue_.get(head_);
|
||||
}
|
||||
|
||||
T &Back()
|
||||
{
|
||||
ASSERT(!empty());
|
||||
ASSERT(!empty(), "queue is empty.");
|
||||
return queue_.get((tail_ + LEN) % (LEN + 1));
|
||||
}
|
||||
|
||||
void Pop()
|
||||
{
|
||||
ASSERT(!empty());
|
||||
ASSERT(!empty(), "queue is empty.");
|
||||
head_ = (head_ + 1) % (LEN + 1);
|
||||
}
|
||||
|
||||
|
||||
@ -84,6 +84,7 @@ public:
|
||||
scoped_refptr<T> &operator=(const scoped_refptr<T> &&r) noexcept
|
||||
{
|
||||
scoped_refptr<T>(std::move(r)).swap(*this);
|
||||
return *this;
|
||||
}
|
||||
|
||||
template<typename U>
|
||||
|
||||
@ -3,6 +3,21 @@
|
||||
#include <iostream>
|
||||
|
||||
namespace sled {
|
||||
|
||||
class ScopedAtomicWaiter {
|
||||
public:
|
||||
ScopedAtomicWaiter(std::atomic_bool &flag) : flag_(flag)
|
||||
{
|
||||
bool old = flag_.load();
|
||||
while (!flag_.compare_exchange_weak(old, false)) { continue; }
|
||||
}
|
||||
|
||||
~ScopedAtomicWaiter() { flag_.store(true); }
|
||||
|
||||
private:
|
||||
std::atomic_bool &flag_;
|
||||
};
|
||||
|
||||
void
|
||||
Log(LogLevel level,
|
||||
const char *tag,
|
||||
@ -12,6 +27,8 @@ Log(LogLevel level,
|
||||
const char *func_name,
|
||||
...)
|
||||
{
|
||||
static std::atomic_bool allow(true);
|
||||
ScopedAtomicWaiter waiter(allow);
|
||||
int len = file_name ? strlen(file_name) : 0;
|
||||
while (len > 0 && file_name[len - 1] != '/') { len--; }
|
||||
|
||||
|
||||
@ -30,9 +30,9 @@ Event::Reset()
|
||||
bool
|
||||
Event::Wait(TimeDelta give_up_after, TimeDelta warn_after)
|
||||
{
|
||||
MutexLock lock(&mutex_);
|
||||
MutexLock guard(&mutex_);
|
||||
bool wait_success =
|
||||
cv_.WaitFor(lock, give_up_after, [&] { return event_status_; });
|
||||
cv_.WaitFor(guard, give_up_after, [&] { return event_status_; });
|
||||
if (!wait_success) { return false; }
|
||||
|
||||
if (!is_manual_reset_) { event_status_ = false; }
|
||||
|
||||
Loading…
Reference in New Issue
Block a user