Main.java revision f6c387128427e121477c1b32ad35cdcaa5101ba3 
1public class Main {
2    public static void main(String[] args) {
3        test_printNarrowing();
4    }
5
6    public static void test_printNarrowing() {
7
8        System.out.println();
9        System.out.println("Double.POSITIVE_INFINITY = "
10                + Long.toHexString(Double.doubleToRawLongBits(Double.POSITIVE_INFINITY)));
11        System.out.println("Double.NEGATIVE_INFINITY = "
12                + Long.toHexString(Double.doubleToRawLongBits(Double.NEGATIVE_INFINITY)));
13        System.out.println("Float.POSITIVE_INFINITY  = "
14                + Long.toHexString(Double.doubleToRawLongBits(Float.POSITIVE_INFINITY)));
15        System.out.println("Float.NEGATIVE_INFINITY  = "
16                + Long.toHexString(Double.doubleToRawLongBits(Float.NEGATIVE_INFINITY)));
17        System.out.println("Double.NaN               = "
18                + Long.toHexString(Double.doubleToRawLongBits(Double.NaN)));
19        System.out.println("Float.NaN                = "
20                + Long.toHexString(Double.doubleToRawLongBits(Float.NaN)));
21        double dbl2 = Double.NaN;
22        System.out.println();
23        System.out.println("(byte) Double.NaN  =               "
24                + (Long.toHexString((byte)dbl2).equals("0") ? "00" : Long.toHexString((byte)dbl2)
25                        .substring(6)) + " expected:               00");
26        System.out.println("(short) Double.NaN =             "
27                + (Integer.toHexString((short)dbl2).equals("0") ? "0000" : Integer.toHexString(
28                        (short)dbl2).substring(4)) + " expected:             0000");
29        System.out.println("(int) Double.NaN   =         "
30                + (Integer.toHexString((int)dbl2).equals("0") ? "00000000" : Integer
31                        .toHexString((int)dbl2)) + " expected:         00000000");
32        System.out.println("(long) Double.NaN  = "
33                + (Long.toHexString((long)dbl2).equals("0") ? "0000000000000000" : Long
34                        .toHexString((long)dbl2)) + " expected: 0000000000000000");
35        float fl2 = Float.NaN;
36        System.out.println();
37        System.out.println("(byte) Float.NaN  =               "
38                + (Long.toHexString((byte)fl2).equals("0") ? "00" : Long.toHexString((byte)fl2)
39                        .substring(6)) + " expected:               00");
40        System.out.println("(short) Float.NaN =             "
41                + (Integer.toHexString((short)fl2).equals("0") ? "0000" : Integer.toHexString(
42                        (short)fl2).substring(4)) + " expected:             0000");
43        System.out.println("(int) Float.NaN   =         "
44                + (Integer.toHexString((int)fl2).equals("0") ? "00000000" : Integer
45                        .toHexString((int)fl2)) + " expected:         00000000");
46        System.out.println("(long) Float.NaN  = "
47                + (Long.toHexString((long)fl2).equals("0") ? "0000000000000000" : Long
48                        .toHexString((long)fl2)) + " expected: 0000000000000000");
49        double dbl3 = Double.POSITIVE_INFINITY;
50        System.out.println();
51        System.out.println("(byte) Double.POSITIVE_INFINITY  =               "
52                + (Integer.toHexString((byte)dbl3).equals("0") ? "00" : Integer.toHexString(
53                        (byte)dbl3).substring(6)) + " expected:               ff");
54        System.out.println("(short) Double.POSITIVE_INFINITY =             "
55                + (Integer.toHexString((short)dbl3).equals("0") ? "0000" : Integer.toHexString(
56                        (short)dbl3).substring(4)) + " expected:             ffff");
57        System.out.println("(int) Double.POSITIVE_INFINITY   =         "
58                + Integer.toHexString((int)dbl3) + " expected:         7fffffff");
59        System.out.println("(long) Double.POSITIVE_INFINITY  = " + Long.toHexString((long)dbl3)
60                + " expected: 7fffffffffffffff");
61        double dbl4 = Double.NEGATIVE_INFINITY;
62        System.out.println();
63        System.out.println("(byte) Double.NEGATIVE_INFINITY  = "
64                + (Long.toHexString((byte)dbl4).equals("0") ? "              00" : Long
65                        .toHexString((byte)dbl4)) + " expected:               00");
66        System.out.println("(short) Double.NEGATIVE_INFINITY = "
67                + (Integer.toHexString((short)dbl4).equals("0") ? "            0000" : Long
68                        .toHexString((short)dbl4)) + " expected:             0000");
69        System.out.println("(int) Double.NEGATIVE_INFINITY   =         "
70                + Integer.toHexString((int)dbl4) + " expected:         80000000");
71        System.out.println("(long) Double.NEGATIVE_INFINITY  = " + Long.toHexString((long)dbl4)
72                + " expected: 8000000000000000");
73        float fl3 = Float.POSITIVE_INFINITY;
74        System.out.println();
75        System.out.println("(byte) Float.POSITIVE_INFINITY   =               "
76                + (Integer.toHexString((byte)fl3).equals("0") ? "00" : Integer.toHexString(
77                        (byte)fl3).substring(6)) + " expected:               ff");
78        System.out.println("(short) Float.POSITIVE_INFINITY  =             "
79                + (Integer.toHexString((short)fl3).equals("0") ? "0000" : Integer.toHexString(
80                        (short)fl3).substring(4)) + " expected:             ffff");
81        System.out.println("(int) Float.POSITIVE_INFINITY    =         "
82                + Integer.toHexString((int)fl3) + " expected:         7fffffff");
83        System.out.println("(long) Float.POSITIVE_INFINITY   = " + Long.toHexString((long)fl3)
84                + " expected: 7fffffffffffffff");
85        float fl4 = Float.NEGATIVE_INFINITY;
86        System.out.println();
87        System.out.println("(byte) Float.NEGATIVE_INFINITY   = "
88                + (Long.toHexString((byte)fl4).equals("0") ? "              00" : Long
89                        .toHexString((byte)fl4)) + " expected:               00");
90        System.out.println("(short) Float.NEGATIVE_INFINITY  = "
91                + (Integer.toHexString((short)fl4).equals("0") ? "            0000" : Long
92                        .toHexString((short)fl4)) + " expected:             0000");
93        System.out.println("(int) Float.NEGATIVE_INFINITY    =         "
94                + Integer.toHexString((int)fl4) + " expected:         80000000");
95        System.out.println("(long) Float.NEGATIVE_INFINITY   = " + Long.toHexString((long)fl4)
96                + " expected: 8000000000000000");
97        System.out.println();
98    }
99}
100