1 auto spec = NumericSpec.human;
2 auto buffer = stringBuf;
3 
4 void check(double num, string value)
5 {
6     buffer.print(num, spec);
7     assert(buffer.data == value, value);
8     buffer.reset;
9 }
10 
11 check(-0.0, "-0.0");
12 check(0.0, "0.0");
13 check(-0.01, "-0.01");
14 check(0.0125, "0.0125");
15 check(0.000003, "0.000003");
16 check(-3e-7, "-3e-7");
17 check(123456.0, "123456.0");
18 check(123456.1, "123456.1");
19 check(12.3456, "12.3456");
20 check(-0.123456, "-0.123456");
21 check(0.1234567, "0.1234567");
22 check(0.01234567, "0.01234567");
23 check(0.001234567, "0.001234567");
24 check(1.234567e-4, "1.234567e-4");
25 check(-1234567.0, "-1.234567e+6");
26 check(123456.7890123, "123456.7890123");
27 check(1234567.890123, "1.234567890123e+6");
28 check(1234567890123.0, "1.234567890123e+12");
29 check(0.30000000000000004, "0.30000000000000004");
30 check(0.030000000000000002, "0.030000000000000002");
31 check(0.0030000000000000005, "0.0030000000000000005");
32 check(3.0000000000000003e-4, "3.0000000000000003e-4");
33 check(+double.nan, "nan");
34 check(-double.nan, "nan");
35 check(+double.infinity, "+inf");
36 check(-double.infinity, "-inf");
37 
38 spec.separatorChar = ',';
39 
40 check(-0.0, "-0.0");
41 check(0.0, "0.0");
42 check(-0.01, "-0.01");
43 check(0.0125, "0.0125");
44 check(0.000003, "0.000003");
45 check(-3e-7, "-3e-7");
46 check(123456.0, "123,456.0");
47 check(123456e5, "12,345,600,000.0");
48 check(123456.1, "123,456.1");
49 check(12.3456, "12.3456");
50 check(-0.123456, "-0.123456");
51 check(0.1234567, "0.1234567");
52 check(0.01234567, "0.01234567");
53 check(0.001234567, "0.001234567");
54 check(1.234567e-4, "0.0001234567");
55 check(-1234567.0, "-1,234,567.0");
56 check(123456.7890123, "123,456.7890123");
57 check(1234567.890123, "1,234,567.890123");
58 check(123456789012.0, "123,456,789,012.0");
59 check(1234567890123.0, "1.234567890123e+12");
60 check(0.30000000000000004, "0.30000000000000004");
61 check(0.030000000000000002, "0.030000000000000002");
62 check(0.0030000000000000005, "0.0030000000000000005");
63 check(3.0000000000000003e-4, "0.00030000000000000003");
64 check(3.0000000000000005e-6, "0.0000030000000000000005");
65 check(3.0000000000000004e-7, "3.0000000000000004e-7");
66 check(+double.nan, "nan");
67 check(-double.nan, "nan");
68 check(+double.infinity, "+inf");
69 check(-double.infinity, "-inf");
70 
71 spec.separatorChar = '_';
72 spec.separatorCount = 2;
73 check(123456e5, "1_23_45_60_00_00.0");
74 
75 spec.plus = true;
76 check(0.0125, "+0.0125");
77 check(-0.0125, "-0.0125");