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4680 | right-hear | 1 | /* |
2 | * Copyright (c) 1996-1998 |
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3 | * Silicon Graphics Computer Systems, Inc. |
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4 | * |
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5 | * Permission to use, copy, modify, distribute and sell this software |
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6 | * and its documentation for any purpose is hereby granted without fee, |
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7 | * provided that the above copyright notice appear in all copies and |
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8 | * that both that copyright notice and this permission notice appear |
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9 | * in supporting documentation. Silicon Graphics makes no |
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10 | * representations about the suitability of this software for any |
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11 | * purpose. It is provided "as is" without express or implied warranty. |
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12 | * |
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13 | * |
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14 | * Copyright (c) 1994 |
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15 | * Hewlett-Packard Company |
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16 | * |
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17 | * Permission to use, copy, modify, distribute and sell this software |
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18 | * and its documentation for any purpose is hereby granted without fee, |
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19 | * provided that the above copyright notice appear in all copies and |
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20 | * that both that copyright notice and this permission notice appear |
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21 | * in supporting documentation. Hewlett-Packard Company makes no |
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22 | * representations about the suitability of this software for any |
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23 | * purpose. It is provided "as is" without express or implied warranty. |
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24 | * |
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25 | */ |
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26 | |||
27 | /* NOTE: This is an internal header file, included by other STL headers. |
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28 | * You should not attempt to use it directly. |
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29 | */ |
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30 | |||
31 | #ifndef _CPP_BITS_STL_HASH_FUN_H |
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32 | #define _CPP_BITS_STL_HASH_FUN_H 1 |
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33 | |||
34 | #include |
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35 | |||
36 | namespace std |
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37 | { |
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38 | |||
39 | template |
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40 | |||
41 | inline size_t __stl_hash_string(const char* __s) |
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42 | { |
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43 | unsigned long __h = 0; |
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44 | for ( ; *__s; ++__s) |
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45 | __h = 5*__h + *__s; |
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46 | |||
47 | return size_t(__h); |
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48 | } |
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49 | |||
50 | template<> struct hash |
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51 | { |
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52 | size_t operator()(const char* __s) const { return __stl_hash_string(__s); } |
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53 | }; |
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54 | |||
55 | template<> struct hash |
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56 | { |
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57 | size_t operator()(const char* __s) const { return __stl_hash_string(__s); } |
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58 | }; |
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59 | |||
60 | template<> struct hash |
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61 | size_t operator()(char __x) const { return __x; } |
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62 | }; |
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63 | template<> struct hash |
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64 | size_t operator()(unsigned char __x) const { return __x; } |
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65 | }; |
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66 | template<> struct hash |
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67 | size_t operator()(unsigned char __x) const { return __x; } |
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68 | }; |
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69 | template<> struct hash |
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70 | size_t operator()(short __x) const { return __x; } |
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71 | }; |
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72 | template<> struct hash |
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73 | size_t operator()(unsigned short __x) const { return __x; } |
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74 | }; |
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75 | template<> struct hash |
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76 | size_t operator()(int __x) const { return __x; } |
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77 | }; |
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78 | template<> struct hash |
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79 | size_t operator()(unsigned int __x) const { return __x; } |
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80 | }; |
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81 | template<> struct hash |
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82 | size_t operator()(long __x) const { return __x; } |
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83 | }; |
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84 | template<> struct hash |
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85 | size_t operator()(unsigned long __x) const { return __x; } |
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86 | }; |
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87 | |||
88 | } // namespace std |
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89 | |||
90 | #endif /* _CPP_BITS_STL_HASH_FUN_H */ |
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91 | |||
92 | // Local Variables: |
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93 | // mode:C++ |
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94 | // End:>>>>>>>>>>> |