diff options
Diffstat (limited to 'base/random.hh')
| -rw-r--r-- | base/random.hh | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/base/random.hh b/base/random.hh index b4d20a274..eac91a53c 100644 --- a/base/random.hh +++ b/base/random.hh @@ -33,6 +33,8 @@ long getLong(); double getDouble(); +uint64_t getUniformPos(uint64_t max); +int64_t getUniform(int64_t max); template <typename T> struct Random; @@ -41,48 +43,72 @@ template<> struct Random<int8_t> { static int8_t get() { return getLong() & (int8_t)-1; } + + static int8_t uniform(int8_t maxmin) + { return getUniform(maxmin); } }; template<> struct Random<uint8_t> { static uint8_t get() { return getLong() & (uint8_t)-1; } + + static uint8_t uniform(uint8_t max) + { return getUniformPos(max); } }; template<> struct Random<int16_t> { static int16_t get() { return getLong() & (int16_t)-1; } + + static int16_t uniform(int16_t maxmin) + { return getUniform(maxmin); } }; template<> struct Random<uint16_t> { static uint16_t get() { return getLong() & (uint16_t)-1; } + + static uint16_t uniform(uint16_t max) + { return getUniformPos(max); } }; template<> struct Random<int32_t> { static int32_t get() { return (int32_t)getLong(); } + + static int32_t uniform(int32_t maxmin) + { return getUniform(maxmin); } }; template<> struct Random<uint32_t> { static uint32_t get() { return (uint32_t)getLong(); } + + static uint32_t uniform(uint32_t max) + { return getUniformPos(max); } }; template<> struct Random<int64_t> { static int64_t get() { return (int64_t)getLong() << 32 || (uint64_t)getLong(); } + + static int64_t uniform(int64_t maxmin) + { return getUniform(maxmin); } }; template<> struct Random<uint64_t> { static uint64_t get() { return (uint64_t)getLong() << 32 || (uint64_t)getLong(); } + + static uint64_t uniform(uint64_t max) + { return getUniformPos(max); } }; template<> struct Random<float> |