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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

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 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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package org.graalvm.compiler.hotspot.jdk9.test;

import static org.junit.Assume.assumeTrue;

import java.util.ArrayList;

import java.util.Collection;

import java.util.List;

import org.graalvm.compiler.api.test.Graal;

import org.graalvm.compiler.core.test.GraalCompilerTest;

import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;

import org.graalvm.compiler.runtime.RuntimeProvider;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.junit.runners.Parameterized;

import org.junit.runners.Parameterized.Parameter;

import org.junit.runners.Parameterized.Parameters;

import jdk.vm.ci.amd64.AMD64;

@RunWith(Parameterized.class)

public final class MathFloatFMATest extends GraalCompilerTest {

    @Before

    public void checkAMD64() {

        assumeTrue("skipping AMD64 specific test", getTarget().arch instanceof AMD64);

        HotSpotGraalRuntimeProvider rt = (HotSpotGraalRuntimeProvider) Graal.getRequiredCapability(RuntimeProvider.class);

        assumeTrue("skipping FMA specific tests", rt.getVMConfig().useFMAIntrinsics);

    }

    @Parameters(name = "{0}, {1}, {2}")

    public static Collection<Object[]> data() {

        float[] inputs = {0.0f, 1.0f, 4.0f, -0.0f, -1.0f, 4.0f, Float.MIN_VALUE, Float.MAX_VALUE, Float.NEGATIVE_INFINITY, Float.POSITIVE_INFINITY,

                        Float.NaN, Float.intBitsToFloat(0xff800001)};

        List<Object[]> tests = new ArrayList<>();

        for (float a : inputs) {

            for (float b : inputs) {

                for (float c : inputs) {

                    tests.add(new Object[]{a, b, c});

                }

            }

        }

        return tests;

    }

    @Parameter(value = 0) public float input0;

    @Parameter(value = 1) public float input1;

    @Parameter(value = 2) public float input2;

    public static float fma(float a, float b, float c) {

        return Math.fma(a, b, c);

    }

    @Test

    public void testFMA() {

        test("fma", input0, input1, input2);

    }

}