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flip_bitscan.c File Reference

Functions

static unsigned long long flip_A1 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_B1 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_C1 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_D1 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_E1 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_F1 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_G1 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_H1 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_A2 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_B2 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_C2 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_D2 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_E2 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_F2 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_G2 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_H2 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_A3 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_B3 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_C3 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_D3 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_E3 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_F3 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_G3 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_H3 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_A4 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_B4 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_C4 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_D4 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_E4 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_F4 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_G4 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_H4 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_A5 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_B5 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_C5 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_D5 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_E5 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_F5 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_G5 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_H5 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_A6 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_B6 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_C6 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_D6 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_E6 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_F6 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_G6 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_H6 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_A7 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_B7 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_C7 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_D7 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_E7 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_F7 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_G7 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_H7 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_A8 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_B8 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_C8 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_D8 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_E8 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_F8 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_G8 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_H8 (const unsigned long long P, const unsigned long long O)
 
static unsigned long long flip_pass (const unsigned long long P, const unsigned long long O)
 

Variables

static const unsigned char OUTFLANK_2 [64]
 
static const unsigned char OUTFLANK_3 [64]
 
static const unsigned char OUTFLANK_4 [64]
 
static const unsigned char OUTFLANK_5 [64]
 
static const unsigned char OUTFLANK_7 [64]
 
static const unsigned char CONTIG_UP [64]
 
static const unsigned char CONTIG_UPLEFT [64]
 
static const unsigned char CONTIG_UPRIGHT [64]
 
static const unsigned char FLIPPED_2 [130]
 
static const unsigned long long FLIPPED_3_H [131]
 
static const unsigned long long FLIPPED_4_H [133]
 
static const unsigned char FLIPPED_5 [137]
 
static const unsigned long long FLIPPED_3_V [131]
 
static const unsigned long long FLIPPED_4_V [133]
 
static const unsigned long long FLIPPED_3_U [131]
 
unsigned long long(* flip [])(const unsigned long long, const unsigned long long)
 

Detailed Description

This module deals with flipping discs.

A function is provided for each square of the board. These functions are gathered into an array of functions, so that a fast access to each function is allowed. The generic form of the function take as input the player and the opponent bitboards and return the flipped squares into a bitboard.

Given the following notation:

  • x = square where we play,
  • P = player's disc pattern,
  • O = opponent's disc pattern, the basic principle is to read into an array the result of a move. Doing this is easier for a single line ; so we can use arrays of the form:
  • ARRAY[x][8-bits disc pattern]. The problem is thus to convert any line of a 64-bits disc pattern into an 8-bits disc pattern. A fast way to do this is to select the right line, with a bit-mask, to gather the masked-bits into a continuous set by a simple multiplication and to right-shift the result to scale it into a number between 0 and 255. Once we get our 8-bits disc patterns,a first array (OUTFLANK) is used to get the player's discs that surround the opponent discs:
  • outflank = OUTFLANK[x][O] & P (Only inner 6-bits of the P are in interest here.) The result is then used as an index to access a second array giving the flipped discs according to the surrounding player's discs:
  • flipped = FLIPPED[x][outflank]. (Flipped discs fall into inner 6-bits.) Finally, a precomputed array transform the inner 6-bits disc pattern back into a 64-bits disc pattern, and the flipped squares for each line are gathered and returned to generate moves.

If the OUTFLANK search is in LSB to MSB direction, carry propagation can be used to determine contiguous opponent discs. If the OUTFLANK search is in MSB to LSB direction, GCC's __builtin_clz(ll) is used to determine coutiguous opponent discs.

Date
1998 - 2017
Author
Richard Delorme
Toshihiko Okuhara
Version
4.4

Function Documentation

◆ flip_A1()

static unsigned long long flip_A1 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square A1.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_A2()

static unsigned long long flip_A2 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square A2.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_A3()

static unsigned long long flip_A3 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square A3.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_A4()

static unsigned long long flip_A4 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square A4.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_A5()

static unsigned long long flip_A5 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square A5.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_A6()

static unsigned long long flip_A6 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square A6.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_A7()

static unsigned long long flip_A7 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square A7.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_A8()

static unsigned long long flip_A8 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square A8.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_B1()

static unsigned long long flip_B1 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square B1.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_B2()

static unsigned long long flip_B2 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square B2.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_B3()

static unsigned long long flip_B3 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square B3.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_B4()

static unsigned long long flip_B4 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square B4.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_B5()

static unsigned long long flip_B5 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square B5.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_B6()

static unsigned long long flip_B6 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square B6.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_B7()

static unsigned long long flip_B7 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square B7.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_B8()

static unsigned long long flip_B8 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square B8.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_C1()

static unsigned long long flip_C1 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square C1.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_C2()

static unsigned long long flip_C2 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square C2.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_C3()

static unsigned long long flip_C3 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square C3.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_C4()

static unsigned long long flip_C4 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square C4.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_C5()

static unsigned long long flip_C5 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square C5.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_C6()

static unsigned long long flip_C6 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square C6.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_C7()

static unsigned long long flip_C7 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square C7.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_C8()

static unsigned long long flip_C8 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square C8.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_D1()

static unsigned long long flip_D1 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square D1.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_D2()

static unsigned long long flip_D2 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square D2.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_D3()

static unsigned long long flip_D3 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square D3.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_D4()

static unsigned long long flip_D4 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square D4.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_D5()

static unsigned long long flip_D5 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square D5.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_D6()

static unsigned long long flip_D6 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square D6.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_D7()

static unsigned long long flip_D7 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square D7.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_D8()

static unsigned long long flip_D8 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square D8.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_E1()

static unsigned long long flip_E1 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square E1.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_E2()

static unsigned long long flip_E2 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square E2.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_E3()

static unsigned long long flip_E3 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square E3.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_E4()

static unsigned long long flip_E4 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square E3.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_E5()

static unsigned long long flip_E5 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square E5.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_E6()

static unsigned long long flip_E6 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square E6.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_E7()

static unsigned long long flip_E7 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square E7.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_E8()

static unsigned long long flip_E8 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square E8.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_F1()

static unsigned long long flip_F1 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square F1.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_F2()

static unsigned long long flip_F2 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square F2.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_F3()

static unsigned long long flip_F3 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square F3.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_F4()

static unsigned long long flip_F4 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square F4.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_F5()

static unsigned long long flip_F5 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square F5.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_F6()

static unsigned long long flip_F6 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square F6.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_F7()

static unsigned long long flip_F7 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square F7.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_F8()

static unsigned long long flip_F8 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square F8.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_G1()

static unsigned long long flip_G1 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square G1.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_G2()

static unsigned long long flip_G2 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square G2.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_G3()

static unsigned long long flip_G3 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square G3.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_G4()

static unsigned long long flip_G4 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square G4.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_G5()

static unsigned long long flip_G5 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square G5.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_G6()

static unsigned long long flip_G6 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square G6.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_G7()

static unsigned long long flip_G7 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square G7.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_G8()

static unsigned long long flip_G8 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square G8.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_H1()

static unsigned long long flip_H1 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square H1.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_H2()

static unsigned long long flip_H2 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square H2.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_H3()

static unsigned long long flip_H3 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square H3.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_H4()

static unsigned long long flip_H4 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square H4.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_H5()

static unsigned long long flip_H5 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square H5.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_H6()

static unsigned long long flip_H6 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square H6.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_H7()

static unsigned long long flip_H7 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square H7.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_H8()

static unsigned long long flip_H8 ( const unsigned long long P,
const unsigned long long O )
static

Compute flipped discs when playing on square H8.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

◆ flip_pass()

static unsigned long long flip_pass ( const unsigned long long P,
const unsigned long long O )
static

Compute (zero-) flipped discs when plassing.

Parameters
Pplayer's disc pattern.
Oopponent's disc pattern.
Returns
flipped disc pattern.

Variable Documentation

◆ CONTIG_UP

const unsigned char CONTIG_UP[64]
static
Initial value:
= {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
16, 16, 16, 16, 16, 16, 16, 16, 24, 24, 24, 24, 32, 32, 40, 48
}

◆ CONTIG_UPLEFT

const unsigned char CONTIG_UPLEFT[64]
static
Initial value:
= {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
18, 18, 18, 18, 18, 18, 18, 18, 27, 27, 27, 27, 36, 36, 45, 54
}

◆ CONTIG_UPRIGHT

const unsigned char CONTIG_UPRIGHT[64]
static
Initial value:
= {
0, 7, 0, 14, 0, 7, 0, 21, 0, 7, 0, 14, 0, 7, 0, 28,
0, 7, 0, 14, 0, 7, 0, 21, 0, 7, 0, 14, 0, 7, 0, 35,
0, 7, 0, 14, 0, 7, 0, 21, 0, 7, 0, 14, 0, 7, 0, 28,
0, 7, 0, 14, 0, 7, 0, 21, 0, 7, 0, 14, 0, 7, 0, 42
}

◆ flip

unsigned long long(* flip[])(const unsigned long long, const unsigned long long) ( const unsigned long long ,
const unsigned long long  )
Initial value:
= {
flip_A1, flip_B1, flip_C1, flip_D1,
flip_E1, flip_F1, flip_G1, flip_H1,
flip_A2, flip_B2, flip_C2, flip_D2,
flip_E2, flip_F2, flip_G2, flip_H2,
flip_A3, flip_B3, flip_C3, flip_D3,
flip_E3, flip_F3, flip_G3, flip_H3,
flip_A4, flip_B4, flip_C4, flip_D4,
flip_E4, flip_F4, flip_G4, flip_H4,
flip_A5, flip_B5, flip_C5, flip_D5,
flip_E5, flip_F5, flip_G5, flip_H5,
flip_A6, flip_B6, flip_C6, flip_D6,
flip_E6, flip_F6, flip_G6, flip_H6,
flip_A7, flip_B7, flip_C7, flip_D7,
flip_E7, flip_F7, flip_G7, flip_H7,
flip_A8, flip_B8, flip_C8, flip_D8,
flip_E8, flip_F8, flip_G8, flip_H8,
flip_pass, flip_pass
}
flip_A1
static unsigned long long flip_A1(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:261
flip_D3
static unsigned long long flip_D3(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:739
flip_E2
static unsigned long long flip_E2(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:562
flip_E7
static unsigned long long flip_E7(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1608
flip_F3
static unsigned long long flip_F3(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:797
flip_D5
static unsigned long long flip_D5(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1175
flip_pass
static unsigned long long flip_pass(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1903
flip_G5
static unsigned long long flip_G5(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1255
flip_A2
static unsigned long long flip_A2(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:461
flip_B3
static unsigned long long flip_B3(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:688
flip_B4
static unsigned long long flip_B4(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:903
flip_E4
static unsigned long long flip_E4(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:988
flip_F7
static unsigned long long flip_F7(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1633
flip_C2
static unsigned long long flip_C2(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:509
flip_D8
static unsigned long long flip_D8(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1779
flip_G6
static unsigned long long flip_G6(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1459
flip_A6
static unsigned long long flip_A6(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1303
flip_A3
static unsigned long long flip_A3(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:663
flip_B1
static unsigned long long flip_B1(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:284
flip_H6
static unsigned long long flip_H6(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1485
flip_B6
static unsigned long long flip_B6(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1328
flip_E1
static unsigned long long flip_E1(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:360
flip_A4
static unsigned long long flip_A4(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:875
flip_B5
static unsigned long long flip_B5(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1125
flip_B7
static unsigned long long flip_B7(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1534
flip_D7
static unsigned long long flip_D7(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1583
flip_C5
static unsigned long long flip_C5(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1149
flip_D6
static unsigned long long flip_D6(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1379
flip_C1
static unsigned long long flip_C1(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:307
flip_H2
static unsigned long long flip_H2(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:639
flip_E3
static unsigned long long flip_E3(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:768
flip_E5
static unsigned long long flip_E5(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1202
flip_F2
static unsigned long long flip_F2(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:589
flip_C8
static unsigned long long flip_C8(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1753
flip_C3
static unsigned long long flip_C3(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:713
flip_G4
static unsigned long long flip_G4(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1045
flip_D2
static unsigned long long flip_D2(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:535
flip_H3
static unsigned long long flip_H3(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:849
flip_H4
static unsigned long long flip_H4(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1073
flip_F8
static unsigned long long flip_F8(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1829
flip_D1
static unsigned long long flip_D1(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:333
flip_H1
static unsigned long long flip_H1(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:437
flip_F1
static unsigned long long flip_F1(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:387
flip_A5
static unsigned long long flip_A5(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1101
flip_F6
static unsigned long long flip_F6(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1433
flip_B2
static unsigned long long flip_B2(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:485
flip_G1
static unsigned long long flip_G1(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:413
flip_F5
static unsigned long long flip_F5(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1229
flip_G3
static unsigned long long flip_G3(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:823
flip_G8
static unsigned long long flip_G8(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1855
flip_C4
static unsigned long long flip_C4(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:931
flip_H7
static unsigned long long flip_H7(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1683
flip_H8
static unsigned long long flip_H8(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1879
flip_H5
static unsigned long long flip_H5(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1279
flip_G2
static unsigned long long flip_G2(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:615
flip_A8
static unsigned long long flip_A8(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1707
flip_B8
static unsigned long long flip_B8(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1730
flip_C6
static unsigned long long flip_C6(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1353
flip_C7
static unsigned long long flip_C7(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1557
flip_D4
static unsigned long long flip_D4(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:961
flip_A7
static unsigned long long flip_A7(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1511
flip_F4
static unsigned long long flip_F4(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1015
flip_G7
static unsigned long long flip_G7(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1659
flip_E8
static unsigned long long flip_E8(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1804
flip_E6
static unsigned long long flip_E6(const unsigned long long P, const unsigned long long O)
Definition flip_bitscan.c:1406

Array of functions to compute flipped discs

◆ FLIPPED_2

const unsigned char FLIPPED_2[130]
static
Initial value:
= {
0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x04, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x0c, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x1c, 0x1d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x3c, 0x3d
}

flip array (indexed with outflank, returns inner 6 bits)

◆ FLIPPED_3_H

const unsigned long long FLIPPED_3_H[131]
static
Initial value:
= {
0x0000000000000000ULL, 0x0606060606060606ULL, 0x0404040404040404ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x1010101010101010ULL, 0x1616161616161616ULL, 0x1414141414141414ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x3030303030303030ULL, 0x3636363636363636ULL, 0x3434343434343434ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x7070707070707070ULL, 0x7676767676767676ULL, 0x7474747474747474ULL
}

◆ FLIPPED_3_U

const unsigned long long FLIPPED_3_U[131]
static
Initial value:
= {
0x0000000000000000ULL, 0x00ffff0000000000ULL, 0x0000ff0000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x00000000ff000000ULL, 0x00ffff00ff000000ULL, 0x0000ff00ff000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x00000000ffff0000ULL, 0x00ffff00ffff0000ULL, 0x0000ff00ffff0000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x00000000ffffff00ULL, 0x00ffff00ffffff00ULL, 0x0000ff00ffffff00ULL
}

◆ FLIPPED_3_V

const unsigned long long FLIPPED_3_V[131]
static
Initial value:
= {
0x0000000000000000ULL, 0x0000000000ffff00ULL, 0x0000000000ff0000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x000000ff00000000ULL, 0x000000ff00ffff00ULL, 0x000000ff00ff0000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000ffff00000000ULL, 0x0000ffff00ffff00ULL, 0x0000ffff00ff0000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x00ffffff00000000ULL, 0x00ffffff00ffff00ULL, 0x00ffffff00ff0000ULL
}

◆ FLIPPED_4_H

const unsigned long long FLIPPED_4_H[133]
static
Initial value:
= {
0x0000000000000000ULL, 0x0e0e0e0e0e0e0e0eULL, 0x0c0c0c0c0c0c0c0cULL, 0x0000000000000000ULL, 0x0808080808080808ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x2020202020202020ULL, 0x2e2e2e2e2e2e2e2eULL, 0x2c2c2c2c2c2c2c2cULL, 0x0000000000000000ULL, 0x2828282828282828ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x6060606060606060ULL, 0x6e6e6e6e6e6e6e6eULL, 0x6c6c6c6c6c6c6c6cULL, 0x0000000000000000ULL, 0x6868686868686868ULL
}

◆ FLIPPED_4_V

const unsigned long long FLIPPED_4_V[133]
static
Initial value:
= {
0x0000000000000000ULL, 0x00000000ffffff00ULL, 0x00000000ffff0000ULL, 0x0000000000000000ULL, 0x00000000ff000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000ff0000000000ULL, 0x0000ff00ffffff00ULL, 0x0000ff00ffff0000ULL, 0x0000000000000000ULL, 0x0000ff00ff000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, 0x0000000000000000ULL,
0x00ffff0000000000ULL, 0x00ffff00ffffff00ULL, 0x00ffff00ffff0000ULL, 0x0000000000000000ULL, 0x00ffff00ff000000ULL
}

◆ FLIPPED_5

const unsigned char FLIPPED_5[137]
static
Initial value:
= {
0x00, 0x0f, 0x0e, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x20, 0x2f, 0x2e, 0x00, 0x2c, 0x00, 0x00, 0x00, 0x28
}

◆ OUTFLANK_2

const unsigned char OUTFLANK_2[64]
static
Initial value:
= {
0x00, 0x01, 0x00, 0x00, 0x10, 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x20, 0x21, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x10, 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x40, 0x41, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x10, 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x20, 0x21, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x10, 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x80, 0x81, 0x00, 0x00
}

outflank array (indexed with inner 6 bits)

◆ OUTFLANK_3

const unsigned char OUTFLANK_3[64]
static
Initial value:
= {
0x00, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x22, 0x21, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x42, 0x41, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x22, 0x21, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x82, 0x81, 0x00, 0x00, 0x00, 0x00
}

◆ OUTFLANK_4

const unsigned char OUTFLANK_4[64]
static
Initial value:
= {
0x00, 0x00, 0x00, 0x00, 0x04, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x40, 0x40, 0x40, 0x40, 0x44, 0x44, 0x42, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x04, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x80, 0x80, 0x80, 0x80, 0x84, 0x84, 0x82, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
}

◆ OUTFLANK_5

const unsigned char OUTFLANK_5[64]
static
Initial value:
= {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x08, 0x08, 0x04, 0x04, 0x02, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x88, 0x88, 0x88, 0x88, 0x84, 0x84, 0x82, 0x81,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
}

◆ OUTFLANK_7

const unsigned char OUTFLANK_7[64]
static
Initial value:
= {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x08, 0x08, 0x08, 0x08, 0x04, 0x04, 0x02, 0x01
}
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