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range_solvers_gen_ms_boards.h
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range_solvers_gen_ms_boards.h
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/* Copyright (c) 2000 Shlomi Fish
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* range_solvers_gen_ms_boards.h - a header file that defines some
* static (and preferably inline) routines for generating the Microsoft
* boards.
*
*/
#ifndef FC_SOLVE__RANGE_SOLVERS_GEN_MS_BOARDS_H
#define FC_SOLVE__RANGE_SOLVERS_GEN_MS_BOARDS_H
#ifdef __cplusplus
extern "C" {
#endif
#include "portable_int32.h"
#include "inline.h"
#include "fcs_dllexport.h"
#include "bool.h"
#include <string.h>
typedef u_int32_t microsoft_rand_uint_t;
typedef long long microsoft_rand_t;
static GCC_INLINE microsoft_rand_uint_t microsoft_rand_rand(microsoft_rand_t * my_rand)
{
*my_rand = ((*my_rand) * 214013 + 2531011);
return ((*my_rand) >> 16) & 0x7fff;
}
static GCC_INLINE microsoft_rand_uint_t microsoft_rand_randp(microsoft_rand_t * my_rand)
{
*my_rand = ((*my_rand) * 214013 + 2531011);
return ((*my_rand) >> 16) & 0xffff;
}
static GCC_INLINE microsoft_rand_uint_t microsoft_rand__game_num_rand(microsoft_rand_t * const seedx_ptr, const long long gnGameNumber)
{
if (gnGameNumber < 0x100000000LL)
{
const microsoft_rand_uint_t ret = microsoft_rand_rand(seedx_ptr);
return ((gnGameNumber < 0x80000000) ? ret : (ret | 0x8000));
}
else
{
return microsoft_rand_randp(seedx_ptr) + 1;
}
}
typedef int CARD;
#define SUIT(card) ((card) & (4-1))
#define VALUE(card) ((card) >> 2)
#define MAXPOS 7
#define MAXCOL 8
static const char * card_to_string_values = "A23456789TJQK";
static const char * card_to_string_suits = "CDHS";
static GCC_INLINE void card_to_string(char * const s, const CARD card)
{
s[0] = card_to_string_values[VALUE(card)];
s[1] = card_to_string_suits[SUIT(card)];
}
#ifdef FCS_GEN_BOARDS_WITH_EXTERNAL_API
/* This is to settle gcc's -Wmissing-prototypes which complains about missing
* prototypes for "extern" subroutines.
*
* It is not critical that it would be in the same place because the only thing
* that uses this function is Python's ctypes (in the test files under t/t/ )
* which does not process the
* included C code. In the future, we may have an external API in which case
* we'll devise a header for this routine.
*
* */
void DLLEXPORT fc_solve_get_board_l(const long long gamenumber, char * const ret);
extern void DLLEXPORT fc_solve_get_board_l(const long long gamenumber, char * const ret)
#else
static GCC_INLINE void get_board_l(const long long gamenumber, char * const ret)
#endif
{
long long seedx = (microsoft_rand_uint_t)((gamenumber < 0x100000000LL) ? gamenumber : (gamenumber - 0x100000000LL));
strcpy(ret,
"XX XX XX XX XX XX XX\n"
"XX XX XX XX XX XX XX\n"
"XX XX XX XX XX XX XX\n"
"XX XX XX XX XX XX XX\n"
"XX XX XX XX XX XX\n"
"XX XX XX XX XX XX\n"
"XX XX XX XX XX XX\n"
"XX XX XX XX XX XX\n"
);
CARD deck[52]; /* deck of 52 unique cards */
/* shuffle cards */
for (int i = 0; i < 52; i++) /* put unique card in each deck loc. */
{
deck[i] = i;
}
{
int num_cards_left = 52; /* cards left to be chosen in shuffle */
for (int i = 0; i < 52; i++)
{
const int j
= microsoft_rand__game_num_rand(&seedx, gamenumber) % num_cards_left;
const int col = (i & (8-1));
const int card_idx = i >> 3;
card_to_string(
&ret[3 * (col * 7 - ((col > 4) ? (col-4) : 0) + card_idx)],
deck[j]
);
deck[j] = deck[--num_cards_left];
}
}
}
#ifdef FCS_GEN_BOARDS_WITH_EXTERNAL_API
/* This is to settle gcc's -Wmissing-prototypes which complains about missing
* prototypes for "extern" subroutines.
*
* It is not critical that it would be in the same place because the only thing
* that uses this function is Python's ctypes (in the test files under t/t/ )
* which does not process the
* included C code. In the future, we may have an external API in which case
* we'll devise a header for this routine.
*
* */
void DLLEXPORT fc_solve_get_board(long gamenumber, char * ret);
extern void DLLEXPORT fc_solve_get_board(long gamenumber, char * ret)
#else
static GCC_INLINE void get_board(long gamenumber, char * ret)
#endif
{
#ifdef FCS_GEN_BOARDS_WITH_EXTERNAL_API
return fc_solve_get_board_l((long long)gamenumber, ret);
#else
return get_board_l((long long)gamenumber, ret);
#endif
}
typedef char fcs_state_string_t[52*3 + 8 + 1];
#ifdef __cplusplus
}
#endif
#endif /* FC_SOLVE__RANGE_SOLVERS_GEN_MS_BOARDS_H */