content: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  // Note that $opt$ is a marker for the optimizing compiler to test
  // it does compile the method, and that $noinline$ is a marker to
  // test that it does not inline it.
  public class Main {
  
    public static void assertEquals(int expected, int result) {
      if (expected != result) {
        throw new Error("Expected: " + expected + ", found: " + result);
      }
    }
  
    public static void assertEquals(long expected, long result) {
      if (expected != result) {
        throw new Error("Expected: " + expected + ", found: " + result);
      }
    }
  
    public static void assertEquals(float expected, float result) {
      if (expected != result) {
        throw new Error("Expected: " + expected + ", found: " + result);
      }
    }
  
    public static void assertEquals(String expected, float result) {
      if (!expected.equals(new Float(result).toString())) {
        throw new Error("Expected: " + expected + ", found: " + result);
      }
    }
  
    public static void assertEquals(double expected, double result) {
      if (expected != result) {
        throw new Error("Expected: " + expected + ", found: " + result);
      }
    }
  
    public static void assertEquals(String expected, double result) {
      if (!expected.equals(new Double(result).toString())) {
        throw new Error("Expected: " + expected + ", found: " + result);
      }
    }
  
    public static void assertIsNaN(float result) {
      if (!Float.isNaN(result)) {
        throw new Error("Expected NaN: " + result);
      }
    }
  
    public static void assertIsNaN(double result) {
      if (!Double.isNaN(result)) {
        throw new Error("Expected NaN: " + result);
      }
    }
  
    public static void main(String[] args) {
      negInt();
      $opt$noinline$InplaceNegOneInt(1);
  
      negLong();
      $opt$noinline$InplaceNegOneLong(1L);
  
      negFloat();
      negDouble();
    }
  
    private static void negInt() {
      assertEquals(-1, $opt$noinline$NegInt(1));
      assertEquals(1, $opt$noinline$NegInt(-1));
      assertEquals(0, $opt$noinline$NegInt(0));
      assertEquals(51, $opt$noinline$NegInt(-51));
      assertEquals(-51, $opt$noinline$NegInt(51));
      assertEquals(2147483647, $opt$noinline$NegInt(-2147483647));  // -(2^31 - 1)
      assertEquals(-2147483647, $opt$noinline$NegInt(2147483647));  // 2^31 - 1
      // From the Java 7 SE Edition specification:
      // http://docs.oracle.com/javase/specs/jls/se7/html/jls-15.html#jls-15.15.4
      //
      //   For integer values, negation is the same as subtraction from
      //   zero.  The Java programming language uses two's-complement
      //   representation for integers, and the range of two's-complement
      //   values is not symmetric, so negation of the maximum negative
      //   int or long results in that same maximum negative number.
      //   Overflow occurs in this case, but no exception is thrown.
      //   For all integer values x, -x equals (~x)+1.''
      assertEquals(-2147483648, $opt$noinline$NegInt(-2147483648)); // -(2^31)
    }
  
    private static void negLong() {
      assertEquals(-1L, $opt$noinline$NegLong(1L));
      assertEquals(1L, $opt$noinline$NegLong(-1L));
      assertEquals(0L, $opt$noinline$NegLong(0L));
      assertEquals(51L, $opt$noinline$NegLong(-51L));
      assertEquals(-51L, $opt$noinline$NegLong(51L));
  
      assertEquals(2147483647L, $opt$noinline$NegLong(-2147483647L));  // -(2^31 - 1)
      assertEquals(-2147483647L, $opt$noinline$NegLong(2147483647L));  // (2^31 - 1)
      assertEquals(2147483648L, $opt$noinline$NegLong(-2147483648L));  // -(2^31)
      assertEquals(-2147483648L, $opt$noinline$NegLong(2147483648L));  // 2^31
  
      assertEquals(9223372036854775807L, $opt$noinline$NegLong(-9223372036854775807L));  // -(2^63 - 1)
      assertEquals(-9223372036854775807L, $opt$noinline$NegLong(9223372036854775807L));  // 2^63 - 1
      // See remark regarding the negation of the maximum negative
      // (long) value in negInt().
      assertEquals(-9223372036854775808L, $opt$noinline$NegLong(-9223372036854775808L)); // -(2^63)
    }
  
    private static void negFloat() {
       assertEquals("-0.0", $opt$noinline$NegFloat(0F));
       assertEquals("0.0", $opt$noinline$NegFloat(-0F));
       assertEquals(-1F, $opt$noinline$NegFloat(1F));
       assertEquals(1F, $opt$noinline$NegFloat(-1F));
       assertEquals(51F, $opt$noinline$NegFloat(-51F));
       assertEquals(-51F, $opt$noinline$NegFloat(51F));
  
       assertEquals(-0.1F, $opt$noinline$NegFloat(0.1F));
       assertEquals(0.1F, $opt$noinline$NegFloat(-0.1F));
       assertEquals(343597.38362F, $opt$noinline$NegFloat(-343597.38362F));
       assertEquals(-343597.38362F, $opt$noinline$NegFloat(343597.38362F));
  
       assertEquals(-Float.MIN_NORMAL, $opt$noinline$NegFloat(Float.MIN_NORMAL));
       assertEquals(Float.MIN_NORMAL, $opt$noinline$NegFloat(-Float.MIN_NORMAL));
       assertEquals(-Float.MIN_VALUE, $opt$noinline$NegFloat(Float.MIN_VALUE));
       assertEquals(Float.MIN_VALUE, $opt$noinline$NegFloat(-Float.MIN_VALUE));
       assertEquals(-Float.MAX_VALUE, $opt$noinline$NegFloat(Float.MAX_VALUE));
       assertEquals(Float.MAX_VALUE, $opt$noinline$NegFloat(-Float.MAX_VALUE));
  
       assertEquals(Float.NEGATIVE_INFINITY, $opt$noinline$NegFloat(Float.POSITIVE_INFINITY));
       assertEquals(Float.POSITIVE_INFINITY, $opt$noinline$NegFloat(Float.NEGATIVE_INFINITY));
       assertIsNaN($opt$noinline$NegFloat(Float.NaN));
    }
  
    private static void negDouble() {
       assertEquals("-0.0", $opt$noinline$NegDouble(0D));
       assertEquals("0.0", $opt$noinline$NegDouble(-0D));
       assertEquals(-1D, $opt$noinline$NegDouble(1D));
       assertEquals(1D, $opt$noinline$NegDouble(-1D));
       assertEquals(51D, $opt$noinline$NegDouble(-51D));
       assertEquals(-51D, $opt$noinline$NegDouble(51D));
  
       assertEquals(-0.1D, $opt$noinline$NegDouble(0.1D));
       assertEquals(0.1D, $opt$noinline$NegDouble(-0.1D));
       assertEquals(343597.38362D, $opt$noinline$NegDouble(-343597.38362D));
       assertEquals(-343597.38362D, $opt$noinline$NegDouble(343597.38362D));
  
       assertEquals(-Double.MIN_NORMAL, $opt$noinline$NegDouble(Double.MIN_NORMAL));
       assertEquals(Double.MIN_NORMAL, $opt$noinline$NegDouble(-Double.MIN_NORMAL));
       assertEquals(-Double.MIN_VALUE, $opt$noinline$NegDouble(Double.MIN_VALUE));
       assertEquals(Double.MIN_VALUE, $opt$noinline$NegDouble(-Double.MIN_VALUE));
       assertEquals(-Double.MAX_VALUE, $opt$noinline$NegDouble(Double.MAX_VALUE));
       assertEquals(Double.MAX_VALUE, $opt$noinline$NegDouble(-Double.MAX_VALUE));
  
       assertEquals(Double.NEGATIVE_INFINITY, $opt$noinline$NegDouble(Double.POSITIVE_INFINITY));
       assertEquals(Double.POSITIVE_INFINITY, $opt$noinline$NegDouble(Double.NEGATIVE_INFINITY));
       assertIsNaN($opt$noinline$NegDouble(Double.NaN));
    }
  
  
    static boolean doThrow = false;
  
    private static void $opt$noinline$InplaceNegOneInt(int a) {
      if (doThrow) {
        // Try defeating inlining.
        throw new Error();
      }
      a = -a;
      assertEquals(-1, a);
    }
  
    private static void $opt$noinline$InplaceNegOneLong(long a) {
      if (doThrow) {
        // Try defeating inlining.
        throw new Error();
      }
      a = -a;
      assertEquals(-1L, a);
    }
  
    private static int $opt$noinline$NegInt(int a){
      if (doThrow) {
        // Try defeating inlining.
        throw new Error();
      }
      return -a;
    }
  
    private static long $opt$noinline$NegLong(long a){
      if (doThrow) {
        // Try defeating inlining.
        throw new Error();
      }
      return -a;
    }
  
    private static float $opt$noinline$NegFloat(float a){
      if (doThrow) {
        // Try defeating inlining.
        throw new Error();
      }
      return -a;
    }
  
    private static double $opt$noinline$NegDouble(double a){
      if (doThrow) {
        // Try defeating inlining.
        throw new Error();
      }
      return -a;
    }
  }
  