线性同余-常见语言编译器参数

Source m (multiplier) a    (increment) c output bits of seed in rand() /Random(L)
Numerical Recipes 232 1664525 1013904223  
Borland C/C++ 232 22695477 1 bits 30..16 in rand(), 30..0 inlrand()
glibc (used by GCC)[5] 231 1103515245 12345 bits 30..0
ANSI C: Watcom, Digital Mars, CodeWarrior, IBM VisualAgeC/C++ [6] 231 1103515245 12345 bits 30..16
C99, C11: Suggestion in the ISO/IEC 9899 [7] 232 1103515245 12345 bits 30..16
Borland Delphi, Virtual Pascal 232 134775813 1 bits 63..32 of (seed * L)
Microsoft Visual/Quick C/C++ 232 214013 (343FD16) 2531011 (269EC316) bits 30..16
Microsoft Visual Basic (6 and earlier)[8] 224 1140671485 (43FD43FD16) 12820163 (C39EC316)  
RtlUniform from Native API[9] 231 ? 1 2147483629 (7FFFFFED16) 2147483587 (7FFFFFC316)  
Apple CarbonLib, C++11's minstd_rand0[10] 231 ? 1 16807 0 see MINSTD
C++11's minstd_rand[10] 231 ? 1 48271 0 see MINSTD
MMIX by Donald Knuth 264 6364136223846793005 1442695040888963407  
Newlib, Musl 264 6364136223846793005 1 bits 63...32
VMS's MTH$RANDOM,[11] old versions of glibc 232 69069 1  
Java's java.util.Random, POSIX [ln]rand48, glibc[ln]rand48[_r] 248 25214903917 (5DEECE66D16) 11 bits 47...16
POSIX[12] [jm]rand48, glibc [mj]rand48[_r] 248 25214903917 (5DEECE66D16) 11 bits 47...15
POSIX [de]rand48, glibc [de]rand48[_r] 248 25214903917 (5DEECE66D16) 11 bits 47...0
Formerly common: RANDU [4] 231   65539 0  
posted @ 2024-05-10 13:31  Yofoo  阅读(5)  评论(0编辑  收藏  举报