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42 lines
895 B
Go
42 lines
895 B
Go
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// skip
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// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package life
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// #include "life.h"
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import "C"
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import "unsafe"
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func Run(gen, x, y int, a []int32) {
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n := make([]int32, x*y)
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for i := 0; i < gen; i++ {
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C.Step(C.int(x), C.int(y), (*C.int)(unsafe.Pointer(&a[0])), (*C.int)(unsafe.Pointer(&n[0])))
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copy(a, n)
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}
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}
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// Keep the channels visible from Go.
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var chans [4]chan bool
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//export GoStart
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// Double return value is just for testing.
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func GoStart(i, xdim, ydim, xstart, xend, ystart, yend C.int, a *C.int, n *C.int) (int, int) {
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c := make(chan bool, int(C.MYCONST))
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go func() {
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C.DoStep(xdim, ydim, xstart, xend, ystart, yend, a, n)
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c <- true
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}()
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chans[i] = c
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return int(i), int(i + 100)
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}
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//export GoWait
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func GoWait(i C.int) {
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<-chans[i]
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chans[i] = nil
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}
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