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| 3 | |
3 | |
| 4 | #include <stdlib.h> |
4 | #include <stdlib.h> |
| 5 | #include <string.h> |
5 | #include <string.h> |
| 6 | #include "ecb.h" |
6 | #include "ecb.h" |
| 7 | #include "estl.h" |
7 | #include "estl.h" |
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8 | |
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9 | #include "emman.h" |
| 8 | |
10 | |
| 9 | // increases code size unless -fno-enforce-eh-specs |
11 | // increases code size unless -fno-enforce-eh-specs |
| 10 | #if __GNUC__ |
12 | #if __GNUC__ |
| 11 | # define NOTHROW |
13 | # define NOTHROW |
| 12 | # define THROW(x) |
14 | # define THROW(x) |
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| 24 | |
26 | |
| 25 | template<typename T> static inline T squared_diff (T a, T b) { return (a - b) * (a - b); } |
27 | template<typename T> static inline T squared_diff (T a, T b) { return (a - b) * (a - b); } |
| 26 | |
28 | |
| 27 | // linear interpolation |
29 | // linear interpolation |
| 28 | template<typename T, typename U, typename P> |
30 | template<typename T, typename U, typename P> |
| 29 | static inline |
31 | static inline T |
| 30 | T lerp (T a, U b, P p) |
32 | lerp (T a, U b, P p) |
| 31 | { |
33 | { |
| 32 | return (long(a) * long(100 - p) + long(b) * long(p) + 50) / 100; |
34 | return (long(a) * long(100 - p) + long(b) * long(p) + 50) / 100; |
| 33 | } |
35 | } |
| 34 | |
36 | |
| 35 | // return a very temporary (and never deallocated) buffer. keep small. |
37 | // return a very temporary (and never deallocated) buffer. keep small. |
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| 84 | T &operator [] (int i) { return * (T *) (& ((* (simplevec<void *> *)this)[i])); } |
86 | T &operator [] (int i) { return * (T *) (& ((* (simplevec<void *> *)this)[i])); } |
| 85 | const T &operator [] (int i) const { return * (const T *) (& ((* (const simplevec<void *> *)this)[i])); } |
87 | const T &operator [] (int i) const { return * (const T *) (& ((* (const simplevec<void *> *)this)[i])); } |
| 86 | }; |
88 | }; |
| 87 | #endif |
89 | #endif |
| 88 | |
90 | |
| 89 | template<typename T> |
91 | typedef estl::scoped_array<char> auto_str; |
| 90 | struct auto_ptr |
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| 91 | { |
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| 92 | T *p; |
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| 93 | |
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| 94 | auto_ptr () : p (0) { } |
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| 95 | auto_ptr (T *a) : p (a) { } |
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| 96 | |
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| 97 | auto_ptr (auto_ptr<T> &a) |
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| 98 | { |
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| 99 | p = a.p; |
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| 100 | a.p = 0; |
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| 101 | } |
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| 102 | |
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| 103 | template<typename A> |
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| 104 | auto_ptr (auto_ptr<A> &a) |
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| 105 | { |
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| 106 | p = a.p; |
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| 107 | a.p = 0; |
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| 108 | } |
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| 109 | |
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| 110 | ~auto_ptr () |
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| 111 | { |
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| 112 | free (p); |
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| 113 | } |
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| 114 | |
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| 115 | void reset (T *a) |
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| 116 | { |
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| 117 | free (p); |
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| 118 | p = a; |
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| 119 | } |
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| 120 | |
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| 121 | // void because it makes sense in our context |
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| 122 | void operator = (auto_ptr &a) |
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| 123 | { |
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| 124 | *this = a.p; |
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| 125 | a.p = 0; |
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| 126 | } |
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| 127 | |
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| 128 | template<typename A> |
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| 129 | void operator = (auto_ptr<A> &a) |
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| 130 | { |
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| 131 | *this = a.p; |
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| 132 | a.p = 0; |
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| 133 | } |
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| 134 | |
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| 135 | operator T * () const { return p; } |
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| 136 | |
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| 137 | T *operator -> () const { return p; } |
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| 138 | T &operator * () const { return *p; } |
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| 139 | |
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| 140 | T *get () |
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| 141 | { |
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| 142 | T *r = p; |
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| 143 | p = 0; |
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| 144 | return r; |
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| 145 | } |
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| 146 | }; |
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| 147 | |
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| 148 | typedef auto_ptr<char> auto_str; |
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| 149 | |
92 | |
| 150 | #endif |
93 | #endif |
| 151 | |
94 | |
