added test code

codes/test/test.c

+#include <stdio.h>
+#include <math.h>
+#include <sys/time.h>
+
+
+#define N 1024
+#define M 1024
+
+float A[N][M];
+
+int main() {
+
+    int i, j;
+    struct timeval stop, start;
+
+    
+    /* initialize */
+    for(i = 0; i < N; i++) {
+        for(j = 0; j < M; j++) {
+            A[i][j] = 0;
+        }
+    }
+
+
+    gettimeofday(&start, NULL);
+#pragma scop
+    for(i = 0; i < N; i++) {
+        for(j = 0; j < M; j++) {
+            A[i][j] += 10;
+        }
+    }
+
+    for(j = 0; j < M; j++) {
+        for(i = 0; i < N; i += 2) {
+            A[j][i] *= 10;
+        }
+    }
+#pragma endscop
+    gettimeofday(&stop, NULL);
+
+
+    /* calculate error */
+    double err = 0;
+    for(i = 0; i < N; i++) {
+        for(j = 0; j < M; j++) {
+            double e;
+            if(j % 2 == 0)
+                e = fabs(100 - A[i][j])/100;
+            else
+                e = fabs(10 - A[i][j])/10;
+            if(e != e || e > 1)
+                e = 1;
+            err += e;
+        }
+    }
+    err /= N*M;
+    printf("%f\n", (stop.tv_usec - start.tv_usec)/1000.);
+    printf("error: %f\n", err);
+
+    return 0;
+}