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hash.h: fix hash_short(), and hentry_t move size

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Bruno Raoult
2024-06-28 09:33:13 +02:00
parent c5a1936e3b
commit cffb0f7b95
1 changed files with 7 additions and 5 deletions
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12
src/hash.h
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@@ -14,9 +14,11 @@
#ifndef HASH_H #ifndef HASH_H
#define HASH_H #define HASH_H
#include <brlib.h>
#include <bug.h> #include <bug.h>
#include "chessdefs.h" #include "chessdefs.h"
#include "move.h"
#define ENTRIES_PER_BUCKET 4 /* buckets per hash table entry */ #define ENTRIES_PER_BUCKET 4 /* buckets per hash table entry */
@@ -31,9 +33,9 @@
typedef u64 hkey_t; /* cannot use typedef for key_t */ typedef u64 hkey_t; /* cannot use typedef for key_t */
/** /**
* hash_short: return the value of a hash first 7 MSB. * hash_short: get the most significant 7 nibble of a 64 bits value.
*/ */
#define hash_short(hash) ((hash) >> (64 - 8)) #define hash_short(hash) ((hash) >> (64 - 4 * 7))
/** /**
* hentry_t: hashtable bucket. * hentry_t: hashtable bucket.
@@ -48,9 +50,9 @@ typedef struct {
struct { struct {
u16 depth; /* ply in search */ u16 depth; /* ply in search */
s16 eval; s16 eval;
u16 move; move_t move;
u8 flags; /* maybe for locking, etc... */ //u8 flags; /* maybe for locking, etc... */
u8 filler; //u8 filler;
}; };
}; };
} hentry_t; } hentry_t;