#if !defined(TYPES_H_INCLUDED)
#define TYPES_H_INCLUDED
-#if !defined(_MSC_VER)
-
-#include <inttypes.h>
+#include <cstdlib>
-#else
+#if defined(_MSC_VER)
// Disable some silly and noisy warning from MSVC compiler
#pragma warning(disable: 4800) // Forcing value to bool 'true' or 'false'
#pragma warning(disable: 4127) // Conditional expression is constant
+#pragma warning(disable: 4146) // Unary minus operator applied to unsigned type
+// MSVC does not support <inttypes.h>
typedef signed __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef signed __int16 int16_t;
typedef signed __int64 int64_t;
typedef unsigned __int64 uint64_t;
-#endif // !defined(_MSC_VER)
+#else
+
+#include <inttypes.h>
-// Hash keys
-typedef uint64_t Key;
+#endif
-// Bitboard type
+// Our hash key and bitboard types
+typedef uint64_t Key;
typedef uint64_t Bitboard;
-#include <cstdlib>
+#define Min(x, y) (((x) < (y)) ? (x) : (y))
+#define Max(x, y) (((x) < (y)) ? (y) : (x))
////
//// Configuration
inline void operator*= (T& d, int i) { d = T(int(d) * i); } \
inline void operator/= (T& d, int i) { d = T(int(d) / i); }
+
+/// cpu_has_popcnt() detects support for popcnt instruction at runtime
+inline bool cpu_has_popcnt() {
+
+ int CPUInfo[4] = {-1};
+ __cpuid(CPUInfo, 0x00000001);
+ return (CPUInfo[2] >> 23) & 1;
+}
+
+/// CpuHasPOPCNT is a global constant initialized at startup that
+/// is set to true if CPU on which application runs supports popcnt
+/// hardware instruction. Unless USE_POPCNT is not defined.
+#if defined(USE_POPCNT)
+const bool CpuHasPOPCNT = cpu_has_popcnt();
+#else
+const bool CpuHasPOPCNT = false;
+#endif
+
+
+/// CpuIs64Bit is a global constant initialized at compile time that
+/// is set to true if CPU on which application runs is a 64 bits.
+#if defined(IS_64BIT)
+const bool CpuIs64Bit = true;
+#else
+const bool CpuIs64Bit = false;
+#endif
+
#endif // !defined(TYPES_H_INCLUDED)