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c_calculations.c
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// cc -fPIC -shared -o c_calculations.so c_calculations.c
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
void c_updateCells(int64_t ROW, int64_t COL, int64_t cellsNow[][COL])
{
size_t c_row, c_col;
size_t i, j;
int liveNeighbors;
int64_t cellsUpdated[ROW][COL];
int start_row, start_col, finish_row, finish_col;
for (c_row = 0; c_row < ROW; c_row++)
{
for (c_col = 0; c_col < COL; c_col++)
{
liveNeighbors = 0;
if (c_row > 0 && c_row < ROW - 1)
{
start_row = c_row - 1;
finish_row = c_row + 1;
}
else if (c_row == 0)
{
start_row = c_row;
finish_row = c_row + 1;
}
else
{
start_row = c_row - 1;
finish_row = c_row;
}
if (c_col > 0 && c_col < COL - 1)
{
start_col = c_col - 1;
finish_col = c_col + 1;
}
else if (c_col == 0)
{
start_col = c_col;
finish_col = c_col + 1;
}
else
{
start_col = c_col - 1;
finish_col = c_col;
}
for (i = start_row; i <= finish_row; i++)
{
for (j = start_col; j <= finish_col; j++)
{
if ((i == c_row && j == c_col)) // || (i < 0 || j < 0) || (i >= ROW || j >= COL)
{
continue;
}
if (cellsNow[i][j] == 1)
{
liveNeighbors++;
}
}
}
// Live and dead cell define
if (cellsNow[c_row][c_col] == 1 && (liveNeighbors == 2 || liveNeighbors == 3))
{
cellsUpdated[c_row][c_col] = 1;
}
else if (cellsNow[c_row][c_col] == 0 && liveNeighbors == 3)
{
cellsUpdated[c_row][c_col] = 1;
}
else
{
cellsUpdated[c_row][c_col] = 0;
}
}
}
for (i = 0; i < ROW; i++)
{
for (j = 0; j < COL; j++)
{
cellsNow[i][j] = cellsUpdated[i][j];
}
}
}
void c_updateCells(int64_t ROW, int64_t COL, int64_t cellsNow[][COL])
{
size_t c_row, c_col;
size_t i, j;
int liveNeighbors;
int64_t cellsUpdated[ROW][COL];
int start_row, start_col, finish_row, finish_col;
for (c_row = 0; c_row < ROW; c_row++)
{
for (c_col = 0; c_col < COL; c_col++)
{
liveNeighbors = 0;
if (c_row > 0 && c_row < ROW - 1)
{
start_row = c_row - 1;
finish_row = c_row + 1;
}
else if (c_row == 0)
{
start_row = c_row;
finish_row = c_row + 1;
}
else
{
start_row = c_row - 1;
finish_row = c_row;
}
if (c_col > 0 && c_col < COL - 1)
{
start_col = c_col - 1;
finish_col = c_col + 1;
}
else if (c_col == 0)
{
start_col = c_col;
finish_col = c_col + 1;
}
else
{
start_col = c_col - 1;
finish_col = c_col;
}
for (i = start_row; i <= finish_row; i++)
{
for (j = start_col; j <= finish_col; j++)
{
if ((i == c_row && j == c_col)) // || (i < 0 || j < 0) || (i >= ROW || j >= COL)
{
continue;
}
if (cellsNow[i][j] == 1)
{
liveNeighbors++;
}
}
}
// Live and dead cell define
if (cellsNow[c_row][c_col] == 1 && (liveNeighbors == 2 || liveNeighbors == 3))
{
cellsUpdated[c_row][c_col] = 1;
}
else if (cellsNow[c_row][c_col] == 0 && liveNeighbors == 3)
{
cellsUpdated[c_row][c_col] = 1;
}
else
{
cellsUpdated[c_row][c_col] = 0;
}
}
}
for (i = 0; i < ROW; i++)
{
for (j = 0; j < COL; j++)
{
cellsNow[i][j] = cellsUpdated[i][j];
}
}
}