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Diffstat (limited to 'misc/cgo/life/testdata/c-life.c')
-rw-r--r-- | misc/cgo/life/testdata/c-life.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/misc/cgo/life/testdata/c-life.c b/misc/cgo/life/testdata/c-life.c deleted file mode 100644 index f853163e2f..0000000000 --- a/misc/cgo/life/testdata/c-life.c +++ /dev/null @@ -1,56 +0,0 @@ -// Copyright 2010 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -#include <assert.h> -#include "life.h" -#include "_cgo_export.h" - -const int MYCONST = 0; - -// Do the actual manipulation of the life board in C. This could be -// done easily in Go, we are just using C for demonstration -// purposes. -void -Step(int x, int y, int *a, int *n) -{ - struct GoStart_return r; - - // Use Go to start 4 goroutines each of which handles 1/4 of the - // board. - r = GoStart(0, x, y, 0, x / 2, 0, y / 2, a, n); - assert(r.r0 == 0 && r.r1 == 100); // test multiple returns - r = GoStart(1, x, y, x / 2, x, 0, y / 2, a, n); - assert(r.r0 == 1 && r.r1 == 101); // test multiple returns - GoStart(2, x, y, 0, x / 2, y / 2, y, a, n); - GoStart(3, x, y, x / 2, x, y / 2, y, a, n); - GoWait(0); - GoWait(1); - GoWait(2); - GoWait(3); -} - -// The actual computation. This is called in parallel. -void -DoStep(int xdim, int ydim, int xstart, int xend, int ystart, int yend, int *a, int *n) -{ - int x, y, c, i, j; - - for(x = xstart; x < xend; x++) { - for(y = ystart; y < yend; y++) { - c = 0; - for(i = -1; i <= 1; i++) { - for(j = -1; j <= 1; j++) { - if(x+i >= 0 && x+i < xdim && - y+j >= 0 && y+j < ydim && - (i != 0 || j != 0)) - c += a[(x+i)*xdim + (y+j)] != 0; - } - } - if(c == 3 || (c == 2 && a[x*xdim + y] != 0)) - n[x*xdim + y] = 1; - else - n[x*xdim + y] = 0; - } - } -} |