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Merge pull request #1460 from EQEmu/feature/random_enhancements

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[Feature] Add some knobs to our RNG class
This commit is contained in:
splose
2021-07-26 12:28:37 -04:00
committed by GitHub
parent 696d875624 ddb14187b0
commit 8696ba398b
4 changed files with 228 additions and 7 deletions
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CMakeLists.txt
+41
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@@ -131,6 +131,47 @@ OPTION(EQEMU_BUILD_TESTS "Build utility tests." OFF)
OPTION(EQEMU_BUILD_CLIENT_FILES "Build Client Import/Export Data Programs." ON)
OPTION(EQEMU_PREFER_LUA "Build with normal Lua even if LuaJIT is found." OFF)
#PRNG options
OPTION(EQEMU_ADDITIVE_LFIB_PRNG "Use Additive LFib for PRNG." OFF)
MARK_AS_ADVANCED(EQEMU_ADDITIVE_LFIB_PRNG)
OPTION(EQEMU_BIASED_INT_DIST "Use biased int dist instead of uniform." OFF)
MARK_AS_ADVANCED(EQEMU_BIASED_INT_DIST)
SET(EQEMU_CUSTOM_PRNG_ENGINE "" CACHE STRING "Custom random engine. (ex. std::default_random_engine)")
MARK_AS_ADVANCED(EQEMU_CUSTOM_PRNG_ENGINE)
IF(CMAKE_COMPILER_IS_GNUCXX)
OPTION(EQEMU_SFMT19937 "Use GCC's extention for SIMD Fast MT19937." OFF)
MARK_AS_ADVANCED(EQEMU_SFMT19937)
ENDIF()
IF(EQEMU_ADDITIVE_LFIB_PRNG)
ADD_DEFINITIONS(-DUSE_ADDITIVE_LFIB_PRNG)
IF(EQEMU_SFMT19937)
MESSAGE(STATUS "SFMT19937 and ADDITITVE_LFIB_PRNG both set, SFMT19937 ignored.")
SET(EQEMU_SFMT19937 OFF)
ENDIF()
IF(NOT EQEMU_CUSTOM_PRNG_ENGINE STREQUAL "")
MESSAGE(STATUS "CUSTOM_PRNG_ENGINE and ADDITITVE_LFIB_PRNG both set, CUSTOM_PRNG_ENGINE ignored.")
SET(EQEMU_CUSTOM_PRNG_ENGINE "")
ENDIF()
ENDIF()
IF(EQEMU_SFMT19937)
ADD_DEFINITIONS(-DUSE_SFMT19937)
IF(NOT EQEMU_CUSTOM_PRNG_ENGINE STREQUAL "")
MESSAGE(STATUS "CUSTOM_PRNG_ENGINE and SFMT19937 both set, CUSTOM_PRNG_ENGINE ignored.")
SET(EQEMU_CUSTOM_PRNG_ENGINE "")
ENDIF()
ENDIF()
IF(NOT EQEMU_CUSTOM_PRNG_ENGINE STREQUAL "")
ADD_DEFINITIONS(-DUSE_CUSTOM_PRNG_ENGINE=${EQEMU_CUSTOM_PRNG_ENGINE})
ENDIF()
IF(EQEMU_BIASED_INT_DIST)
ADD_DEFINITIONS(-DBIASED_INT_DIST)
ENDIF()
IF(EQEMU_COMMANDS_LOGGING)
ADD_DEFINITIONS(-DCOMMANDS_LOGGING)
ENDIF(EQEMU_COMMANDS_LOGGING)