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package compiler.loopopts.superword;

/*
 * @test
 * @bug 8333876
 * @summary Test parallel reductions.
 * @run main compiler.loopopts.superword.TestParallelReduction
 */

public class TestParallelReduction {
    static int RANGE = 10_000;

    public static void main(String[] args) {
        float[] a = new float[RANGE];
        for (int i = 0; i < a.length; i++) {
            a[i] = i;
        }

        float gold = test(a);

        for (int i = 0; i < 10_000; i++) {
            if (test(a) != gold) {
                throw new RuntimeException("wrong value");
            }
        }
    }

    static float test(float[] a) {
        float x = 0;
        float y = 0;
        for (int i = 0; i < a.length; i+=2) {
            x += a[i+0];
            y += a[i+1];
        }
        return x+y;
    }
}