along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-
#if !defined(VALUE_H_INCLUDED)
#define VALUE_H_INCLUDED
-////
-//// Types
-////
+#include <climits>
+
+#include "types.h"
+
enum ValueType {
VALUE_TYPE_NONE = 0,
- VALUE_TYPE_UPPER = 1, // Upper bound
- VALUE_TYPE_LOWER = 2, // Lower bound
+ VALUE_TYPE_UPPER = 1,
+ VALUE_TYPE_LOWER = 2,
VALUE_TYPE_EXACT = VALUE_TYPE_UPPER | VALUE_TYPE_LOWER
};
VALUE_MATE = 30000,
VALUE_INFINITE = 30001,
VALUE_NONE = 30002,
- VALUE_ENSURE_SIGNED = -1
+ VALUE_ENSURE_INTEGER_SIZE_P = INT_MAX,
+ VALUE_ENSURE_INTEGER_SIZE_N = INT_MIN
};
ENABLE_OPERATORS_ON(Value)
// its data, so ensure Score to be an integer type.
enum Score {
SCORE_ZERO = 0,
- SCORE_ENSURE_32_BITS_SIZE_P = (1 << 16),
- SCORE_ENSURE_32_BITS_SIZE_N = -(1 << 16)
+ SCORE_ENSURE_INTEGER_SIZE_P = INT_MAX,
+ SCORE_ENSURE_INTEGER_SIZE_N = INT_MIN
};
// Extracting the _signed_ lower and upper 16 bits it not so trivial
// a very high risk of overflow. So user should explicitly convert to integer.
inline Score operator*(Score s1, Score s2);
-// Rest of operators are standard:
+// Remaining operators are standard
inline Score operator+ (const Score d1, const Score d2) { return Score(int(d1) + int(d2)); }
inline Score operator- (const Score d1, const Score d2) { return Score(int(d1) - int(d2)); }
inline Score operator* (int i, const Score d) { return Score(i * int(d)); }
inline void operator*= (Score& d, int i) { d = Score(int(d) * i); }
inline void operator/= (Score& d, int i) { d = Score(int(d) / i); }
-
-////
-//// Inline functions
-////
-
inline Value value_mate_in(int ply) {
return VALUE_MATE - ply;
}