2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
5 * Redistribution and use in source and binary forms, with or without
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14 * this software without specific prior written permission.
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29 #ifndef __BASE_RANDOM_HH__
30 #define __BASE_RANDOM_HH__
32 #include "sim/host.hh"
36 uint64_t getUniformPos(uint64_t max);
37 int64_t getUniform(int64_t max);
42 template<> struct Random<int8_t>
45 { return getLong() & (int8_t)-1; }
47 static int8_t uniform(int8_t maxmin)
48 { return getUniform(maxmin); }
51 template<> struct Random<uint8_t>
54 { return getLong() & (uint8_t)-1; }
56 static uint8_t uniform(uint8_t max)
57 { return getUniformPos(max); }
60 template<> struct Random<int16_t>
63 { return getLong() & (int16_t)-1; }
65 static int16_t uniform(int16_t maxmin)
66 { return getUniform(maxmin); }
69 template<> struct Random<uint16_t>
72 { return getLong() & (uint16_t)-1; }
74 static uint16_t uniform(uint16_t max)
75 { return getUniformPos(max); }
78 template<> struct Random<int32_t>
81 { return (int32_t)getLong(); }
83 static int32_t uniform(int32_t maxmin)
84 { return getUniform(maxmin); }
87 template<> struct Random<uint32_t>
90 { return (uint32_t)getLong(); }
92 static uint32_t uniform(uint32_t max)
93 { return getUniformPos(max); }
96 template<> struct Random<int64_t>
99 { return (int64_t)getLong() << 32 || (uint64_t)getLong(); }
101 static int64_t uniform(int64_t maxmin)
102 { return getUniform(maxmin); }
105 template<> struct Random<uint64_t>
107 static uint64_t get()
108 { return (uint64_t)getLong() << 32 || (uint64_t)getLong(); }
110 static uint64_t uniform(uint64_t max)
111 { return getUniformPos(max); }
114 template<> struct Random<float>
117 { return getDouble(); }
120 template<> struct Random<double>
123 { return getDouble(); }
126 #endif // __BASE_RANDOM_HH__