libgo/misc/cgo/life/main.go

   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 }