github.com/corona10/go@v0.0.0-20180224231303-7a218942be57/misc/cgo/life/main.go (about)

     1  // cmpout -tags=use_go_run
     2  
     3  // Copyright 2010 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // +build test_run
     8  
     9  // Run the game of life in C using Go for parallelization.
    10  
    11  package main
    12  
    13  import (
    14  	"flag"
    15  	"fmt"
    16  
    17  	"."
    18  )
    19  
    20  const MAXDIM = 100
    21  
    22  var dim = flag.Int("dim", 16, "board dimensions")
    23  var gen = flag.Int("gen", 10, "generations")
    24  
    25  func main() {
    26  	flag.Parse()
    27  
    28  	var a [MAXDIM * MAXDIM]int32
    29  	for i := 2; i < *dim; i += 8 {
    30  		for j := 2; j < *dim-3; j += 8 {
    31  			for y := 0; y < 3; y++ {
    32  				a[i**dim+j+y] = 1
    33  			}
    34  		}
    35  	}
    36  
    37  	life.Run(*gen, *dim, *dim, a[:])
    38  
    39  	for i := 0; i < *dim; i++ {
    40  		for j := 0; j < *dim; j++ {
    41  			if a[i**dim+j] == 0 {
    42  				fmt.Print(" ")
    43  			} else {
    44  				fmt.Print("X")
    45  			}
    46  		}
    47  		fmt.Print("\n")
    48  	}
    49  }