sysy-data/performance_c/sy/large_loop_array_2.sy

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2024-08-10 14:32:48 +08:00
int COUNT = 500000;
float loop(float x[], float y[], int length) {
int i = 0;
float accumulator = 0.0;
while (i < length) {
accumulator = accumulator + x[i] * y[i];
i = i + 1;
}
return accumulator;
}
int main() {
int i = 0, j = 0;
int len = getint();
float x[4096];
float y[4096];
float total = 0.0;
float a = 0.0;
float b = 1.0;
starttime();
while ( i < COUNT) {
if (i % 10) {
a = 0.0;
b = 1.0;
} else {
a = a + 0.1;
b = b + 0.2;
}
while ( j < len) {
x[j] = a + j;
y[j] = b + j;
j = j + 1;
}
total = total + loop(x, y, len);
i = i + 1;
}
stoptime();
if ((total - 11442437121638400.000000) <=0.000001 && (total - 11442437121638400.000000) >= -0.000001) {
putint(10);
return 0;
}
else {
putint(1);
return 1;
}
}