#include <cassert>
#include <chrono>
-#include <ostream>
-#include <string>
-#include <vector>
+#include <cstddef>
#include <cstdint>
+#include <iosfwd>
+#include <string>
-#include "types.h"
+#define stringify2(x) #x
+#define stringify(x) stringify2(x)
namespace Stockfish {
void dbg_correl_of(int64_t value1, int64_t value2, int slot = 0);
void dbg_print();
-typedef std::chrono::milliseconds::rep TimePoint; // A value in milliseconds
+using TimePoint = std::chrono::milliseconds::rep; // A value in milliseconds
static_assert(sizeof(TimePoint) == sizeof(int64_t), "TimePoint should be 64 bits");
inline TimePoint now() {
return std::chrono::duration_cast<std::chrono::milliseconds>
(std::chrono::steady_clock::now().time_since_epoch()).count();
}
-template<class Entry, int Size>
-struct HashTable {
- Entry* operator[](Key key) { return &table[(uint32_t)key & (Size - 1)]; }
-
-private:
- std::vector<Entry> table = std::vector<Entry>(Size); // Allocate on the heap
-};
-
enum SyncCout { IO_LOCK, IO_UNLOCK };
std::ostream& operator<<(std::ostream&, SyncCout);
static inline const bool IsLittleEndian = (Le.c[0] == 4);
-// RunningAverage : a class to calculate a running average of a series of values.
-// For efficiency, all computations are done with integers.
-class RunningAverage {
- public:
-
- // Reset the running average to rational value p / q
- void set(int64_t p, int64_t q)
- { average = p * PERIOD * RESOLUTION / q; }
-
- // Update average with value v
- void update(int64_t v)
- { average = RESOLUTION * v + (PERIOD - 1) * average / PERIOD; }
-
- // Test if average is strictly greater than rational a / b
- bool is_greater(int64_t a, int64_t b) const
- { return b * average > a * (PERIOD * RESOLUTION); }
-
- int64_t value() const
- { return average / (PERIOD * RESOLUTION); }
-
- private :
- static constexpr int64_t PERIOD = 4096;
- static constexpr int64_t RESOLUTION = 1024;
- int64_t average;
-};
-
template <typename T, std::size_t MaxSize>
class ValueList {
void push_back(const T& value) { values_[size_++] = value; }
const T* begin() const { return values_; }
const T* end() const { return values_ + size_; }
+ const T& operator[](int index) const { return values_[index]; }
private:
T values_[MaxSize];
inline uint64_t mul_hi64(uint64_t a, uint64_t b) {
#if defined(__GNUC__) && defined(IS_64BIT)
- __extension__ typedef unsigned __int128 uint128;
- return ((uint128)a * (uint128)b) >> 64;
+ __extension__ using uint128 = unsigned __int128;
+ return (uint128(a) * uint128(b)) >> 64;
#else
- uint64_t aL = (uint32_t)a, aH = a >> 32;
- uint64_t bL = (uint32_t)b, bH = b >> 32;
+ uint64_t aL = uint32_t(a), aH = a >> 32;
+ uint64_t bL = uint32_t(b), bH = b >> 32;
uint64_t c1 = (aL * bL) >> 32;
uint64_t c2 = aH * bL + c1;
- uint64_t c3 = aL * bH + (uint32_t)c2;
+ uint64_t c3 = aL * bH + uint32_t(c2);
return aH * bH + (c2 >> 32) + (c3 >> 32);
#endif
}