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// Copyright 2006 The Android Open Source Project
/**
* Test arithmetic operations.
*/
public class Main {
static void shiftTest1()
{
final int[] mBytes = {
0x11, 0x22, 0x33, 0x44, 0x88, 0x99, 0xaa, 0xbb
};
long l;
int i1, i2;
i1 = mBytes[0] | mBytes[1] << 8 | mBytes[2] << 16 | mBytes[3] << 24;
i2 = mBytes[4] | mBytes[5] << 8 | mBytes[6] << 16 | mBytes[7] << 24;
l = i1 | ((long)i2 << 32);
System.out.println("values are " + Integer.toHexString(i1)
+ " and " + Integer.toHexString(i2));
System.out.println("First l is " + Long.toHexString(l));
l = (long)mBytes[0]
| (long)mBytes[1] << 8
| (long)mBytes[2] << 16
| (long)mBytes[3] << 24
| (long)mBytes[4] << 32
| (long)mBytes[5] << 40
| (long)mBytes[6] << 48
| (long)mBytes[7] << 56;
System.out.println("Second l is " + Long.toHexString(l));
}
static void shiftTest2()
{
long a = 0x11;
long b = 0x22;
long c = 0x33;
long d = 0x44;
long e = 0x55;
long f = 0x66;
long g = 0x77;
long h = 0x88;
long result = ((a << 56) | (b << 48) | (c << 40) | (d << 32) |
(e << 24) | (f << 16) | (g << 8) | h);
System.out.println("shiftTest2 l is " + Long.toHexString(result));
}
static void convTest()
{
float f;
double d;
int i;
long l;
/* float --> int */
f = 1234.5678f;
i = (int) f;
System.out.println("f=" + f + " --> i=" + i);
f = -1234.5678f;
i = (int) f;
System.out.println("f=" + f + " --> i=" + i);
/* double --> int */
d = 1234.5678;
i = (int) d;
System.out.println("d=" + d + " --> i=" + i);
d = -1234.5678;
i = (int) d;
System.out.println("d=" + d + " --> i=" + i);
/* double --> long */
d = 5678956789.0123;
l = (long) d;
System.out.println("d=" + d + " --> l=" + l);
d = -5678956789.0123;
l = (long) d;
System.out.println("d=" + d + " --> l=" + l);
/* int --> long */
i = 7654;
l = (long) i;
System.out.println("i=" + i + " --> l=" + l);
i = -7654;
l = (long) i;
System.out.println("i=" + i + " --> l=" + l);
/* long --> int (with truncation) */
l = 5678956789L;
i = (int) l;
System.out.println("l=" + l + " --> i=" + i);
l = -5678956789L;
i = (int) l;
System.out.println("l=" + l + " --> i=" + i);
/* int --> float */
i = 1234;
f = (float) i;
System.out.println("i=" + i + " --> f=" + f);
i = -1234;
f = (float) i;
System.out.println("i=" + i + " --> f=" + f);
}
static void unsignedShiftTest()
{
byte b = -4;
short s = -4;
char c = 0xfffc;
int i = -4;
b >>>= 4;
s >>>= 4;
c >>>= 4;
i >>>= 4;
System.out.println("b=" + b + ", s=" + s + ", c=" + (int)c + ", i=" +i);
System.out.println("b=0x" + Integer.toHexString((int)b)
+ ", s=0x" + Integer.toHexString((int)s)
+ ", c=0x" + Integer.toHexString((int)c)
+ ", i=0x" + Integer.toHexString(i));
}
public static void main(String[] args) {
convTest();
shiftTest1();
shiftTest2();
unsignedShiftTest();
}
}
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