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extern void abort (void);
#define N 256
int a[N], b[N / 16][8][4], c[N / 32][8][8];
volatile int d, e;
int
main ()
{
int i, j, k, l, m;
#pragma omp parallel private (l)
{
#pragma omp for schedule(static, 1) ordered (1) nowait
for (i = 0; i < N; i++)
{
#pragma omp atomic write
a[i] = 1;
#pragma omp ordered depend(sink: i - 1)
if (i)
{
#pragma omp atomic read
l = a[i - 1];
if (l < 2)
abort ();
}
#pragma omp atomic write
a[i] = 2;
if (i < N - 1)
{
#pragma omp atomic read
l = a[i + 1];
if (l == 3)
abort ();
}
#pragma omp ordered depend(source)
#pragma omp atomic write
a[i] = 3;
}
#pragma omp for schedule(static) ordered (3) nowait
for (i = 2; i < N / 16 - 1; i++)
for (j = 0; j < 8; j += 2)
for (k = 1; k <= 3; k++)
{
#pragma omp atomic write
b[i][j][k] = 1;
#pragma omp ordered depend(sink: i, j - 2, k - 1) \
depend(sink: i - 2, j - 2, k + 1)
#pragma omp ordered depend(sink: i - 3, j + 2, k - 2)
if (j >= 2 && k > 1)
{
#pragma omp atomic read
l = b[i][j - 2][k - 1];
if (l < 2)
abort ();
}
#pragma omp atomic write
b[i][j][k] = 2;
if (i >= 4 && j >= 2 && k < 3)
{
#pragma omp atomic read
l = b[i - 2][j - 2][k + 1];
if (l < 2)
abort ();
}
if (i >= 5 && j < N / 16 - 3 && k == 3)
{
#pragma omp atomic read
l = b[i - 3][j + 2][k - 2];
if (l < 2)
abort ();
}
#pragma omp ordered depend(source)
#pragma omp atomic write
b[i][j][k] = 3;
}
#define A(n) int n;
#define B(n) A(n##0) A(n##1) A(n##2) A(n##3)
#define C(n) B(n##0) B(n##1) B(n##2) B(n##3)
#define D(n) C(n##0) C(n##1) C(n##2) C(n##3)
D(m)
#undef A
#pragma omp for collapse (2) ordered(61) schedule(dynamic, 15)
for (i = 0; i < N / 32; i++)
for (j = 7; j > 1; j--)
for (k = 6; k >= 0; k -= 2)
#define A(n) for (n = 4; n < 5; n++)
D(m)
#undef A
{
#pragma omp atomic write
c[i][j][k] = 1;
#define A(n) ,n
#define E(n) C(n##0) C(n##1) C(n##2) B(n##30) B(n##31) A(n##320) A(n##321)
#pragma omp ordered depend (sink: i, j, k + 2 E(m)) \
depend (sink:i - 2, j + 1, k - 4 E(m)) \
depend(sink: i - 1, j - 2, k - 2 E(m))
if (k <= 4)
{
#pragma omp atomic read
l = c[i][j][k + 2];
if (l < 2)
abort ();
}
#pragma omp atomic write
c[i][j][k] = 2;
if (i >= 2 && j < 7 && k >= 4)
{
#pragma omp atomic read
l = c[i - 2][j + 1][k - 4];
if (l < 2)
abort ();
}
if (i >= 1 && j >= 4 && k >= 2)
{
#pragma omp atomic read
l = c[i - 1][j - 2][k - 2];
if (l < 2)
abort ();
}
#pragma omp ordered depend (source)
#pragma omp atomic write
c[i][j][k] = 3;
}
#pragma omp for collapse(2) ordered(4) lastprivate (i, j, k)
for (i = 0; i < d + 1; i++)
for (j = d + 1; j >= 0; j--)
for (k = 0; k < d; k++)
for (l = 0; l < d + 2; l++)
{
#pragma omp ordered depend (source)
#pragma omp ordered depend (sink:i - 2, j + 2, k - 2, l)
if (!e)
abort ();
}
#pragma omp single
{
if (i != 1 || j != -1 || k != 0)
abort ();
i = 8; j = 9; k = 10;
}
#pragma omp for collapse(2) ordered(4) lastprivate (i, j, k, m)
for (i = 0; i < d + 1; i++)
for (j = d + 1; j >= 0; j--)
for (k = 0; k < d + 2; k++)
for (m = 0; m < d; m++)
{
#pragma omp ordered depend (source)
#pragma omp ordered depend (sink:i - 2, j + 2, k - 2, m)
abort ();
}
#pragma omp single
if (i != 1 || j != -1 || k != 2 || m != 0)
abort ();
#pragma omp for collapse(2) ordered(4) nowait
for (i = 0; i < d + 1; i++)
for (j = d; j > 0; j--)
for (k = 0; k < d + 2; k++)
for (l = 0; l < d + 4; l++)
{
#pragma omp ordered depend (source)
#pragma omp ordered depend (sink:i - 2, j + 2, k - 2, l)
if (!e)
abort ();
}
#pragma omp for nowait
for (i = 0; i < N; i++)
if (a[i] != 3)
abort ();
#pragma omp for collapse(2) private(k) nowait
for (i = 0; i < N / 16; i++)
for (j = 0; j < 8; j++)
for (k = 0; k < 4; k++)
if (b[i][j][k] != 3 * (i >= 2 && i < N / 16 - 1 && (j & 1) == 0 && k >= 1))
abort ();
#pragma omp for collapse(3) nowait
for (i = 0; i < N / 32; i++)
for (j = 0; j < 8; j++)
for (k = 0; k < 8; k++)
if (c[i][j][k] != 3 * (j >= 2 && (k & 1) == 0))
abort ();
}
return 0;
}
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