jdk-24/test/hotspot/jtreg/vmTestbase/jit/graph/test5.java

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/*
* Copyright (c) 2008, 2018, 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.
*/
package jit.graph;
import java.util.*;
import java.lang.reflect.*;
import nsk.share.TestFailure;
class test5
{
private final int[] MethodID = {Globals.MethodID_Array[7],
Globals.MethodID_Array[8],
Globals.MethodID_Array[9],
Globals.MethodID_Array[10]};
private static Random loopNumGen = new Random(Globals.RANDOM_SEED);
private final int maxLoops = 12;
private long factorial(int n)
{
if(n>1)
return(n*factorial(n-1));
else
return (1);
}
private long fibonacci(long num1, long num2, int n)
{
if (n <= 0)
return(num2);
else
return (fibonacci(num2, num1+num2, n-1));
}
private long combination(int n, int r)
{
if ((r==0) || (n==r))
return 1;
else
return(combination(n-1, r) +combination(n - 1, r - 1));
}
private int[] pascalsTriangle(int[] source, int n)
{
if (n>0)
{
int sourceLength = source.length;
int [] temp = new int[sourceLength +1];
temp[0] = 1;
temp[sourceLength] = 1;
int j=1;
for(int i = 0; i<(sourceLength - 1); i++)
temp[j++] = source[i] + source[i+1];
return(pascalsTriangle(temp, n-1));
}
else
return source;
}
private boolean verifyArray(int[] ArrayToBeVerified, int[] MasterArray)
{
if (ArrayToBeVerified.length != MasterArray.length)
return false;
for (int i =0; i<MasterArray.length; i++)
if (MasterArray[i] != ArrayToBeVerified[i])
return false;
return true;
}
private int[] verifyPascal(int n)
{
int [] pascalOut = new int[n+1];
int [][] dataArray = new int[n+1][n+1];
for (int i = 0; i<=n; i++)
{
for (int j = 0; j<=n; j++)
{
if (j==0)
dataArray[i][0] = 1;
else if (j==i)
dataArray[i][i] = 1;
else if (j<i)
dataArray[i][j] = dataArray[i-1][j-1] + dataArray[i-1][j];
}
}
int j = n; //could be a little more efficient
for (int i = 0; i<=n; i++) //but not that important
pascalOut[i] = dataArray[j][i];
return pascalOut;
}
private long verifyFact(int n)
{
long answer = 1;
for (int i=2; i<=n; i++)
answer*=i;
return answer;
}
private long verifyFibo(int n)
{
long num1=1;
long num2=1;
for (int i = 0; i< n; i++)
{
long temp = num1+num2;
num1 = num2;
num2 = temp;
}
return num2;
}
private long verifyComb(int n, int r)
{
return(verifyFact(n)/(verifyFact(n-r)*verifyFact(r)));
}
public void factTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
throws InvocationTargetException
{
Globals.appendSumToSumationVector(MethodID[0], summation);
if (CGT.shouldFinish())
return;
if (Globals.VERBOSE)
System.out.println("test5.factTest");
if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0))
{
return;
}
MethodData methodCallStr;
Long numFcalls;
Integer staticFcalls;
if (staticFunctionDepth.intValue() > 0)
{
numFcalls = functionDepth;
staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
methodCallStr = Globals.returnNextStaticMethod(MethodID[0]);
//methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(MethodID[0]));
}
else
{
numFcalls = new Long(functionDepth.longValue() -1);
staticFcalls = staticFunctionDepth;
methodCallStr = Globals.nextRandomMethod();
}
int localNumLoops = loopNumGen.nextInt(maxLoops);
long facFunctionValue = factorial(localNumLoops);
long facVerValue = verifyFact(localNumLoops);
if (facFunctionValue != facVerValue)
{
System.out.println("Factorial Computed Incorrectly");
System.out.println("Specific Factorial Requested "+localNumLoops +"!");
throw new TestFailure("Expected: " + facVerValue + " Actual "+ facFunctionValue);
}
Globals.addFunctionIDToVector(methodCallStr.id, ID);
Globals.callMethod(methodCallStr,summation, ID, numFcalls, staticFcalls);
}
public void fiboTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
throws InvocationTargetException
{
Globals.appendSumToSumationVector(MethodID[1], summation);
if (CGT.shouldFinish())
return;
if (Globals.VERBOSE)
System.out.println("test5.fiboTest");
if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0))
{
return;
}
MethodData methodCallStr;
Long numFcalls;
Integer staticFcalls;
if (staticFunctionDepth.intValue() > 0)
{
numFcalls = functionDepth;
staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
methodCallStr = Globals.returnNextStaticMethod(MethodID[1]);
}
else
{
numFcalls = new Long(functionDepth.longValue() -1);
staticFcalls = staticFunctionDepth;
methodCallStr = Globals.nextRandomMethod();
}
int localNumLoops = loopNumGen.nextInt(maxLoops*3);
long fiboFunctionValue = fibonacci(1,1,localNumLoops);
long fiboVerValue = verifyFibo(localNumLoops);
if (fiboFunctionValue != fiboVerValue)
{
System.out.println("Fibonacci Series Computed Incorrectly");
System.out.println("Specific Digit Requested "+localNumLoops);
throw new TestFailure("Expected: " + fiboVerValue + " Actual "+ fiboFunctionValue);
}
Globals.addFunctionIDToVector(methodCallStr.id, ID);
Globals.callMethod(methodCallStr,summation, ID, numFcalls, staticFcalls);
}
public void combTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
throws InvocationTargetException
{
Globals.appendSumToSumationVector(MethodID[2], summation);
if (CGT.shouldFinish())
return;
if (Globals.VERBOSE)
System.out.println("test5.combTest");
if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0))
{
return;
}
MethodData methodCallStr;
Long numFcalls;
Integer staticFcalls;
if (staticFunctionDepth.intValue() > 0)
{
numFcalls = functionDepth;
staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
methodCallStr = Globals.returnNextStaticMethod(MethodID[2]);
//methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(MethodID[2]));
}
else
{
numFcalls = new Long(functionDepth.longValue() -1);
staticFcalls = staticFunctionDepth;
methodCallStr = Globals.nextRandomMethod();
}
int n = loopNumGen.nextInt(maxLoops);
int k = (n>0)?loopNumGen.nextInt(n):0;
long combFunctionValue = combination(n, k);
long combVerValue = verifyComb(n, k);
if (combFunctionValue != combVerValue)
{
System.out.println("Combination Computed Incorrectly");
System.out.println("N = " + n +"K = " + k);
throw new TestFailure("Expected: " + combVerValue + " Actual "+ combFunctionValue);
}
Globals.addFunctionIDToVector(methodCallStr.id, ID);
Globals.callMethod(methodCallStr,summation, ID, numFcalls, staticFcalls);
}
public void pascalTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
throws InvocationTargetException
{
Globals.appendSumToSumationVector(MethodID[3], summation);
if (CGT.shouldFinish())
return;
int [] x = new int[1 << 30];
x[1 << 24] = 1;
if (Globals.VERBOSE)
System.out.println("test5.pascalTest");
if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0))
{
return;
}
MethodData methodCallStr;
Long numFcalls;
Integer staticFcalls;
if (staticFunctionDepth.intValue() > 0)
{
numFcalls = functionDepth;
staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
methodCallStr = Globals.returnNextStaticMethod(MethodID[3]);
//methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(MethodID[3]));
}
else
{
numFcalls = new Long(functionDepth.longValue() -1);
staticFcalls = staticFunctionDepth;
methodCallStr = Globals.nextRandomMethod();
}
int num = loopNumGen.nextInt(maxLoops);
int[] pascalFunctionValue = pascalsTriangle(new int[] {1}, num);
int[] pascalVerValue = verifyPascal(num);
if (!verifyArray(pascalFunctionValue, pascalVerValue))
{
String temp = new String("Expected: ");
for (int i=0; i<pascalVerValue.length; i++)
temp += pascalVerValue[i] +", ";
temp+= " Actual ";
for (int i=0; i<pascalFunctionValue.length; i++)
temp += pascalFunctionValue[i] +", ";
System.out.println("Pascal Tringle Row Computed Incorrectly");
System.out.println("Row Number " + num);
throw new TestFailure(temp);
}
Globals.addFunctionIDToVector(methodCallStr.id, ID);
Globals.callMethod(methodCallStr,summation, ID, numFcalls, staticFcalls);
}
}