libcxx/include/__random/ranlux.h

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef _LIBCPP___RANDOM_RANLUX_H
  10 #define _LIBCPP___RANDOM_RANLUX_H
  11
  12 #include <__config>
  13 #include <__random/discard_block_engine.h>
  14 #include <__random/subtract_with_carry_engine.h>
  15 #include <cstdint>
  16
  17 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  18 #  pragma GCC system_header
  19 #endif
  20
  21 _LIBCPP_BEGIN_NAMESPACE_STD
  22
  23 typedef subtract_with_carry_engine<uint_fast32_t, 24, 10, 24> ranlux24_base;
  24 typedef subtract_with_carry_engine<uint_fast64_t, 48, 5, 12> ranlux48_base;
  25
  26 typedef discard_block_engine<ranlux24_base, 223, 23> ranlux24;
  27 typedef discard_block_engine<ranlux48_base, 389, 11> ranlux48;
  28
  29 _LIBCPP_END_NAMESPACE_STD
  30
  31 #endif // _LIBCPP___RANDOM_RANLUX_H