/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Test arithmetic operations.
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*/
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public class Main {
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static void shiftTest1()
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{
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final int[] mBytes = {
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0x11, 0x22, 0x33, 0x44, 0x88, 0x99, 0xaa, 0xbb
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};
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long l;
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int i1, i2;
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i1 = mBytes[0] | mBytes[1] << 8 | mBytes[2] << 16 | mBytes[3] << 24;
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i2 = mBytes[4] | mBytes[5] << 8 | mBytes[6] << 16 | mBytes[7] << 24;
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l = i1 | ((long)i2 << 32);
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System.out.println("values are " + Integer.toHexString(i1)
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+ " and " + Integer.toHexString(i2));
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System.out.println("First l is " + Long.toHexString(l));
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l = (long)mBytes[0]
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| (long)mBytes[1] << 8
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| (long)mBytes[2] << 16
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| (long)mBytes[3] << 24
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| (long)mBytes[4] << 32
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| (long)mBytes[5] << 40
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| (long)mBytes[6] << 48
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| (long)mBytes[7] << 56;
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System.out.println("Second l is " + Long.toHexString(l));
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}
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static void shiftTest2()
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{
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long a = 0x11;
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long b = 0x22;
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long c = 0x33;
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long d = 0x44;
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long e = 0x55;
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long f = 0x66;
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long g = 0x77;
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long h = 0x88;
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long result = ((a << 56) | (b << 48) | (c << 40) | (d << 32) |
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(e << 24) | (f << 16) | (g << 8) | h);
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System.out.println("shiftTest2 l is " + Long.toHexString(result));
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}
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static void convTest()
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{
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float f;
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double d;
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int i;
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long l;
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/* float --> int */
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f = 1234.5678f;
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i = (int) f;
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System.out.println("f=" + f + " --> i=" + i);
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f = -1234.5678f;
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i = (int) f;
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System.out.println("f=" + f + " --> i=" + i);
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/* double --> int */
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d = 1234.5678;
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i = (int) d;
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System.out.println("d=" + d + " --> i=" + i);
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d = -1234.5678;
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i = (int) d;
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System.out.println("d=" + d + " --> i=" + i);
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/* double --> long */
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d = 5678956789.0123;
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l = (long) d;
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System.out.println("d=" + d + " --> l=" + l);
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d = -5678956789.0123;
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l = (long) d;
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System.out.println("d=" + d + " --> l=" + l);
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/* int --> long */
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i = 7654;
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l = (long) i;
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System.out.println("i=" + i + " --> l=" + l);
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i = -7654;
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l = (long) i;
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System.out.println("i=" + i + " --> l=" + l);
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/* long --> int (with truncation) */
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l = 5678956789L;
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i = (int) l;
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System.out.println("l=" + l + " --> i=" + i);
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l = -5678956789L;
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i = (int) l;
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System.out.println("l=" + l + " --> i=" + i);
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/* int --> float */
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i = 1234;
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f = (float) i;
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System.out.println("i=" + i + " --> f=" + f);
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i = -1234;
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f = (float) i;
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System.out.println("i=" + i + " --> f=" + f);
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}
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static void unsignedShiftTest()
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{
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byte b = -4;
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short s = -4;
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char c = 0xfffc;
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int i = -4;
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b >>>= 4;
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s >>>= 4;
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c >>>= 4;
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i >>>= 4;
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System.out.println("b=" + b + ", s=" + s + ", c=" + (int)c + ", i=" +i);
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System.out.println("b=0x" + Integer.toHexString((int)b)
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+ ", s=0x" + Integer.toHexString((int)s)
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+ ", c=0x" + Integer.toHexString((int)c)
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+ ", i=0x" + Integer.toHexString(i));
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}
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public static void main(String[] args) {
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convTest();
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shiftTest1();
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shiftTest2();
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unsignedShiftTest();
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}
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}
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