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1
2 package SOFA.SOFAnode.Made.CDL;
3
4 class Fixed {
5 public long number;
6 public int total;
7 public int fract;
8
9 static long pow10(int n) {
10 int i;
11 long ret = 1;
12 for(i=0;i<n;i++)
13 ret*=10L;
14 return ret;
15 }
16
17 public Fixed(String  str) {
18 int i;
19 number = total = fract = 0;
20 i = 0;
21 while (str.charAt(i)=='0') {
22 i++;
23 }
24 boolean point = false;
25 int pom = 0, pomfr = 0;
26 while (str.charAt(i)!='d' && str.charAt(i)!='D') {
27 if (str.charAt(i)=='0') {
28 pom++;
29 if (point)
30
31 pomfr++;
32 else {
33 fract--;
34 }
35 } else if (str.charAt(i)=='.') {
36 point = true;
37 fract = 0;
38 } else {
39 if (point) {
40 fract +=pomfr + 1;
41 pomfr = 0;
42 } else {
43 fract = 0;
44 }
45 total += pom+1;
46 number *= pow10(pom+1);
47 number += (double)(str.charAt(i) - '0');
48 pom=0;
49 }
50 i++;
51 }
52 }
53
54 public double toDouble() {
55 if (fract<0)
56 return (double)number * (double)pow10(-fract);
57 return (double)number / (double)pow10(fract);
58 }
59 }
60 |
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