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comparison interps/sadol/pch.hpp @ 996:859f9b4339e6

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author HackBot
date Sun, 09 Dec 2012 19:30:08 +0000
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995:6883f5911eb7 996:859f9b4339e6
1 /*
2 * BDSM2
3 * Author: Adam Sawicki
4 * http://www.regedit.risp.pl
5 * mailto:regedit@risp.pl
6 */
7 /* Precompiled header */
8 #ifndef PCH_H_
9 #define PCH_H_
10
11 #include <cstdio>
12 #include <cmath>
13 #include <cstdlib> // for exit, atoi, atof etc.
14 #include <string>
15 #include <vector>
16 #include <algorithm> // for swap
17
18 using std::string;
19
20 // 'function': was declared deprecated
21 #pragma warning(disable: 4996)
22
23 const size_t BUF_SIZE = 1024;
24
25 enum ERR_PLACE {
26 ERR_GENERAL = 1,
27 ERR_PARSE = 2,
28 ERR_OPTIMIZE = 3,
29 ERR_EXECUTE = 4,
30 ERR_IO = 5,
31 };
32
33 inline void ReverseString(string *s)
34 {
35 size_t i = 0;
36 size_t j = s->length()-1;
37 while (i < j) std::swap( (*s)[i++], (*s)[j--] );
38 }
39
40 // convert number to digit in any base ('0'..'9', 'A'..'Z', 'a'..'z')
41 template <typename T>
42 char DigitToChar(T Digit, bool UpperCase = true)
43 {
44 if (Digit < 10) return static_cast<char>(Digit+'0');
45 else {
46 if (UpperCase) return static_cast<char>(Digit-10+'A');
47 else return static_cast<char>(Digit-10+'a');
48 }
49 }
50
51 // Convert unsigned number to string
52 template <typename T>
53 void UintToStr(T Number, string *str, int Base = 10, bool UpperCase = true)
54 {
55 T BaseT = static_cast<T>(Base);
56 str->clear();
57 char ch;
58 while (Number != 0) {
59 ch = DigitToChar<T>(Number % BaseT, UpperCase);
60 Number /= BaseT;
61 *str += ch;
62 }
63 if (str->empty()) *str = '0';
64 else ReverseString(str);
65 }
66
67 // convert signed number to string
68 template <typename T>
69 void IntToStr(T Number, string *str, unsigned Base = 10, bool UpperCase = true)
70 {
71 T BaseT = static_cast<T>(Base);
72 int Sign = ( Number >= T() ? +1 : -1 );
73 if (Sign == -1) Number = -Number;
74 str->clear();
75 char ch;
76 while (Number != 0) {
77 ch = DigitToChar<T>(Number % BaseT, UpperCase);
78 Number /= BaseT;
79 *str += ch;
80 }
81 if (str->empty()) *str = '0';
82 if (Sign < 0) *str += '-';
83 ReverseString(str);
84 }
85
86 // Convert unsigned number to string, return it
87 inline string IntToStr(unsigned x, int base = 10, bool UpperCase = true)
88 {
89 string r;
90 UintToStr(x, &r, base, UpperCase);
91 return r;
92 }
93
94 // Convert signed number to string, return it
95 inline string IntToStr(int x, int base = 10, bool UpperCase = true)
96 {
97 string r;
98 IntToStr(x, &r, base, UpperCase);
99 return r;
100 }
101
102 // Convert size to string
103 inline void Size_tToStr(size_t x, string *str, int base = 10, bool UpperCase = true)
104 {
105 typedef unsigned int DestType;
106 UintToStr<DestType>(static_cast<DestType>(x), str, base, UpperCase);
107 }
108
109 /// Convert size to string, return it
110 inline string Size_tToStr(size_t x, int base = 10)
111 {
112 string r;
113 Size_tToStr(x, &r, base);
114 return r;
115 }
116
117 // Convert double precision floating point number to string
118 // Mode:
119 // - 'e' : -0.12345e-001
120 // - 'E' : -0.12345E-001
121 // - 'f' : -0.12345
122 // - 'g' : optimum ('e', 'f')
123 // - 'G' : optimum ('E', 'f')
124 inline string DoubleToStr(double x, char mode = 'f', int precision = 6)
125 {
126 char sz[256];
127 sprintf(sz, string("%." + IntToStr(precision) + mode).c_str(), x);
128 return string(sz);
129 }
130
131 inline string CharToStr(char x)
132 {
133 return string() + x;
134 }
135
136 inline double CharToDouble(char ch)
137 {
138 return (double)(unsigned int)(unsigned char)ch;
139 }
140
141 // Round a number instead of truncating it
142 inline int Round(double x)
143 {
144 return static_cast<int>(floor(x+0.5));
145 }
146
147 // Print error message and terminate process
148 void Error(const string &Msg, ERR_PLACE Place = ERR_GENERAL);
149
150 #endif