/*

 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

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

 *

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

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

/**

 * @test

 * @bug 7192963

 * @summary assert(_in[req-1] == this) failed: Must pass arg count to 'new'

 *

 * @run main/othervm/timeout=400 -Xbatch -Xmx64m TestDoubleVect

 */

public class TestDoubleVect {

  private static final int ARRLEN = 997;

  private static final int ITERS  = 11000;

  public static void main(String args[]) {

    System.out.println("Testing Double vectors");

    int errn = test();

    if (errn > 0) {

      System.err.println("FAILED: " + errn + " errors");

      System.exit(97);

    }

    System.out.println("PASSED");

  }

  static int test() {

    double[] a0 = new double[ARRLEN];

    double[] a1 = new double[ARRLEN];

    // Initialize

    for (int i=0; i<ARRLEN; i++) {

      a1[i] = (double)i;

    }

    System.out.println("Warmup");

    for (int i=0; i<ITERS; i++) {

      test_init(a0);

      test_addi(a0, a1);

      test_divi(a0, a1);

      test_unrl_init(a0);

      test_unrl_addi(a0, a1);

      test_unrl_divi(a0, a1);

    }

    // Test and verify results

    System.out.println("Verification");

    int errn = 0;

    {

      test_init(a0);

      for (int i=0; i<ARRLEN; i++) {

        errn += verify("test_init: ", i, a0[i], (double)(i&3));

      }

      test_addi(a0, a1);

      for (int i=0; i<ARRLEN; i++) {

        errn += verify("test_addi: ", i, a0[i], (double)(i+(i&3)));

      }

      test_divi(a0, a1);

      for (int i=0; i<ARRLEN; i++) {

        errn += verify("test_divi: ", i, a0[i], (double)i/(double)((i&3)+1));

      }

      test_unrl_init(a0);

      for (int i=0; i<ARRLEN; i++) {

        errn += verify("test_unrl_init: ", i, a0[i], (double)(i&3));

      }

      test_unrl_addi(a0, a1);

      for (int i=0; i<ARRLEN; i++) {

        errn += verify("test_unrl_addi: ", i, a0[i], (double)(i+(i&3)));

      }

      test_unrl_divi(a0, a1);

      for (int i=0; i<ARRLEN; i++) {

        errn += verify("test_unrl_divi: ", i, a0[i], (double)i/(double)((i&3)+1));

      }

    }

    if (errn > 0)

      return errn;

    System.out.println("Time");

    long start, end;

    start = System.currentTimeMillis();

    for (int i=0; i<ITERS; i++) {

      test_init(a0);

    }

    end = System.currentTimeMillis();

    System.out.println("test_init: " + (end - start));

    start = System.currentTimeMillis();

    for (int i=0; i<ITERS; i++) {

      test_addi(a0, a1);

    }

    end = System.currentTimeMillis();

    System.out.println("test_addi: " + (end - start));

    start = System.currentTimeMillis();

    for (int i=0; i<ITERS; i++) {

      test_divi(a0, a1);

    }

    end = System.currentTimeMillis();

    System.out.println("test_divi: " + (end - start));

    start = System.currentTimeMillis();

    for (int i=0; i<ITERS; i++) {

      test_unrl_init(a0);

    }

    end = System.currentTimeMillis();

    System.out.println("test_unrl_init: " + (end - start));

    start = System.currentTimeMillis();

    for (int i=0; i<ITERS; i++) {

      test_unrl_addi(a0, a1);

    }

    end = System.currentTimeMillis();

    System.out.println("test_unrl_addi: " + (end - start));

    start = System.currentTimeMillis();

    for (int i=0; i<ITERS; i++) {

      test_unrl_divi(a0, a1);

    }

    end = System.currentTimeMillis();

    System.out.println("test_unrl_divi: " + (end - start));

    return errn;

  }

  static void test_init(double[] a0) {

    for (int i = 0; i < a0.length; i+=1) {

      a0[i] = (double)(i&3);

    }

  }

  static void test_addi(double[] a0, double[] a1) {

    for (int i = 0; i < a0.length; i+=1) {

      a0[i] = a1[i]+(double)(i&3);

    }

  }

  static void test_divi(double[] a0, double[] a1) {

    for (int i = 0; i < a0.length; i+=1) {

      a0[i] = a1[i]/(double)((i&3)+1);

    }

  }

  static void test_unrl_init(double[] a0) {

    int i = 0;

    for (; i < a0.length-4; i+=4) {

      a0[i+0] = 0.;

      a0[i+1] = 1.;

      a0[i+2] = 2.;

      a0[i+3] = 3.;

    }

    for (; i < a0.length; i++) {

      a0[i] = (double)(i&3);

    }

  }

  static void test_unrl_addi(double[] a0, double[] a1) {

    int i = 0;

    for (; i < a0.length-4; i+=4) {

      a0[i+0] = a1[i+0]+0.;

      a0[i+1] = a1[i+1]+1.;

      a0[i+2] = a1[i+2]+2.;

      a0[i+3] = a1[i+3]+3.;

    }

    for (; i < a0.length; i++) {

      a0[i] = a1[i]+(double)(i&3);

    }

  }

  static void test_unrl_divi(double[] a0, double[] a1) {

    int i = 0;

    for (; i < a0.length-4; i+=4) {

      a0[i+0] = a1[i+0]/1.;

      a0[i+1] = a1[i+1]/2.;

      a0[i+2] = a1[i+2]/3.;

      a0[i+3] = a1[i+3]/4.;

    }

    for (; i < a0.length; i++) {

      a0[i] = a1[i]/(double)((i&3)+1);

    }

  }

  static int verify(String text, int i, double elem, double val) {

    if (elem != val) {

      System.err.println(text + "[" + i + "] = " + elem + " != " + val);

      return 1;

    }

    return 0;

  }

}