cleanup: got rid of a lot of files that are not needed for a new release

[xboard.git] / pg_show.c

diff --git a/pg_show.c b/pg_show.c
deleted file mode 100644 (file)
index c377cbb..0000000
--- a/pg_show.c
+++ /dev/null
@@ -1,194 +0,0 @@
-/* 
- * This utility looks up the moves and their scores in a Polyglot book
- *
- * Usage:
- * pg_show <book> <hex key>"
- *
- * You can find the hex key of a FEN using pg_key. 
- *
- * This code is released in the public domain by Michel Van den Bergh.
- *
- */
-
-
-#include <stdio.h>
-#include <string.h>
-
-typedef unsigned char uint8;
-typedef unsigned short uint16;
-typedef unsigned int uint32;
-
-#ifdef _MSC_VER
-  typedef unsigned __int64 uint64;
-#else
-  typedef unsigned long long int uint64;
-#endif
-
-typedef struct {
-    uint64 key;        
-    uint16 move;
-    uint16 weight;
-    uint32 learn;
-} entry_t;
-
-entry_t entry_none = {
-    0, 0, 0, 0
-};
-
-char *promote_pieces=" nbrq";
-
-#define MAX_MOVES 100
-
-int int_from_file(FILE *f, int l, uint64 *r){
-    int i,c;
-    for(i=0;i<l;i++){
-        c=fgetc(f);
-        if(c==EOF){
-            return 1;
-        }
-        (*r)=((*r)<<8)+c;
-    }
-    return 0;
-}
-
-int entry_from_file(FILE *f, entry_t *entry){
-    int ret;
-    uint64 r;
-    ret=int_from_file(f,8,&r);
-    if(ret) return 1;
-    entry->key=r;
-    ret=int_from_file(f,2,&r);
-    if(ret) return 1;
-    entry->move=r;
-    ret=int_from_file(f,2,&r);
-    if(ret) return 1;
-    entry->weight=r;
-    ret=int_from_file(f,4,&r);
-    if(ret) return 1;
-    entry->learn=r;
-    return 0;
-}
-
-int find_key(FILE *f, uint64 key, entry_t *entry){
-    int first, last, middle;
-    entry_t first_entry=entry_none, last_entry,middle_entry;
-    first=-1;
-    if(fseek(f,-16,SEEK_END)){
-        *entry=entry_none;
-        entry->key=key+1; //hack
-        return -1;
-    }
-    last=ftell(f)/16;
-    entry_from_file(f,&last_entry);
-    while(1){
-        if(last-first==1){
-            *entry=last_entry;
-            return last;
-        }
-        middle=(first+last)/2;
-        fseek(f,16*middle,SEEK_SET);
-        entry_from_file(f,&middle_entry);
-        if(key<=middle_entry.key){
-            last=middle;
-            last_entry=middle_entry;
-        }else{
-            first=middle;
-            first_entry=middle_entry;
-        }
-    }
-}
-
-void move_to_string(char move_s[6], uint16 move){
-    int f,fr,ff,t,tr,tf,p;
-    f=(move>>6)&077;
-    fr=(f>>3)&0x7;
-    ff=f&0x7;
-    t=move&077;
-    tr=(t>>3)&0x7;
-    tf=t&0x7;
-    p=(move>>12)&0x7;
-    move_s[0]=ff+'a';
-    move_s[1]=fr+'1';
-    move_s[2]=tf+'a';
-    move_s[3]=tr+'1';
-    if(p){
-        move_s[4]=promote_pieces[p];
-        move_s[5]='\0';
-    }else{
-        move_s[4]='\0';
-    }
-    if(!strcmp(move_s,"e1h1")){
-        strcpy(move_s,"e1g1");
-    }else  if(!strcmp(move_s,"e1a1")){
-        strcpy(move_s,"e1c1");
-    }else  if(!strcmp(move_s,"e8h8")){
-        strcpy(move_s,"e8g8");
-    }else  if(!strcmp(move_s,"e8a8")){
-        strcpy(move_s,"e8c8");
-    }
-}
-
-int main(int argc, char *argv[]){
-    FILE *f;
-    entry_t entry;
-    int offset;
-    char *file_name;
-    uint64 key;
-    entry_t entries[MAX_MOVES];
-    int count=0;
-    int ret, i;
-    char move_s[6];
-    int total_weight;
-    if(argc<=2){
-        printf("Usage: pg_show <book> <hex key>\n");
-        return 1;
-    }
-    file_name=argv[1];
-#ifdef _MSC_VER
-    sscanf(argv[2],"%16I64x",&key);
-#else
-    sscanf(argv[2],"%16llx",&key);
-#endif
-    f=fopen(file_name,"rb");
-    if(!f){
-        perror(file_name);
-        return 1;
-    }
-    offset=find_key(f,key,&entry);
-    if(entry.key!=key){
-#ifdef _MSC_VER
-        printf("%016I64x: No such key\n",key);
-#else
-        printf("%016llx: No such key\n",key);
-#endif        
-        return 1;
-    }
-    entries[0]=entry;
-    count=1;
-    fseek(f,16*(offset+1),SEEK_SET);
-    while(1){
-        ret=entry_from_file(f,&entry);
-        if(ret){
-            break;
-        }
-        if(entry.key!=key){
-            break;
-        }
-        if(count==MAX_MOVES){
-            printf("Too many moves in this position (max=%d)\n",MAX_MOVES);
-            return 1;
-        }
-        entries[count++]=entry;
-    }
-    total_weight=0;
-    for(i=0;i<count;i++){
-        total_weight+=entries[i].weight;
-    }
-    for(i=0;i<count;i++){
-        move_to_string(move_s,entries[i].move);
-        printf("move=%s weight=%5.2f%%\n",
-                move_s,
-               100*((double) entries[i].weight/ (double) total_weight));
-    }
-    return 0;
-}