mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-28 05:51:04 +00:00
97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <omp.h>
|
|
|
|
#define MAX 1000
|
|
|
|
void main1()
|
|
{
|
|
int i, N1, N2, step;
|
|
int a[MAX], b[MAX];
|
|
|
|
N1 = rand () % 13;
|
|
N2 = rand () % (MAX - 51) + 50;
|
|
step = rand () % 7 + 1;
|
|
|
|
printf ("N1 = %d\nN2 = %d\nstep = %d\n", N1, N2, step);
|
|
|
|
for (i = N1; i <= N2; i += step)
|
|
a[i] = 42+ i;
|
|
|
|
/* COUNTING UP (<). Fill in array 'b' in parallel. */
|
|
memset (b, 0, sizeof b);
|
|
#pragma omp parallel shared(a,b,N1,N2,step) private(i)
|
|
{
|
|
#pragma omp for
|
|
for (i = N1; i < N2; i += step)
|
|
b[i] = a[i];
|
|
}
|
|
|
|
/* COUNTING UP (<). Check that all the cells were filled in properly. */
|
|
for (i = N1; i < N2; i += step)
|
|
if (a[i] != b[i])
|
|
abort ();
|
|
|
|
printf ("for (i = %d; i < %d; i += %d) [OK]\n", N1, N2, step);
|
|
|
|
/* COUNTING UP (<=). Fill in array 'b' in parallel. */
|
|
memset (b, 0, sizeof b);
|
|
#pragma omp parallel shared(a,b,N1,N2,step) private(i)
|
|
{
|
|
#pragma omp for
|
|
for (i = N1; i <= N2; i += step)
|
|
b[i] = a[i];
|
|
}
|
|
|
|
/* COUNTING UP (<=). Check that all the cells were filled in properly. */
|
|
for (i = N1; i <= N2; i += step)
|
|
if (a[i] != b[i])
|
|
abort ();
|
|
|
|
printf ("for (i = %d; i <= %d; i += %d) [OK]\n", N1, N2, step);
|
|
|
|
/* COUNTING DOWN (>). Fill in array 'b' in parallel. */
|
|
memset (b, 0, sizeof b);
|
|
#pragma omp parallel shared(a,b,N1,N2,step) private(i)
|
|
{
|
|
#pragma omp for
|
|
for (i = N2; i > N1; i -= step)
|
|
b[i] = a[i];
|
|
}
|
|
|
|
/* COUNTING DOWN (>). Check that all the cells were filled in properly. */
|
|
for (i = N2; i > N1; i -= step)
|
|
if (a[i] != b[i])
|
|
abort ();
|
|
|
|
printf ("for (i = %d; i > %d; i -= %d) [OK]\n", N2, N1, step);
|
|
|
|
/* COUNTING DOWN (>=). Fill in array 'b' in parallel. */
|
|
memset (b, 0, sizeof b);
|
|
#pragma omp parallel shared(a,b,N1,N2,step) private(i)
|
|
{
|
|
#pragma omp for
|
|
for (i = N2; i >= N1; i -= step)
|
|
b[i] = a[i];
|
|
}
|
|
|
|
/* COUNTING DOWN (>=). Check that all the cells were filled in properly. */
|
|
for (i = N2; i >= N1; i -= step)
|
|
if (a[i] != b[i])
|
|
abort ();
|
|
|
|
printf ("for (i = %d; i >= %d; i -= %d) [OK]\n", N2, N1, step);
|
|
}
|
|
|
|
int
|
|
main ()
|
|
{
|
|
int i;
|
|
|
|
srand (0);
|
|
for (i = 0; i < 10; ++i)
|
|
main1();
|
|
return 0;
|
|
}
|