cosmopolitan/libc/stdio/lcg.internal.h

#ifndef COSMOPOLITAN_LIBC_LCG_H_
#define COSMOPOLITAN_LIBC_LCG_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
#ifdef COSMO

forceinline uint64_t KnuthLinearCongruentialGenerator(uint64_t prev[1]) {
  /* Knuth, D.E., "The Art of Computer Programming," Vol 2,
     Seminumerical Algorithms, Third Edition, Addison-Wesley, 1998,
     p. 106 (line 26) & p. 108 */
  prev[0] = prev[0] * 6364136223846793005 + 1442695040888963407;
  return prev[0]; /* be sure to shift! */
}

#endif /* COSMO */
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_LCG_H_ */
Initial import 2020-06-15 14:18:57 +00:00			`#ifndef COSMOPOLITAN_LIBC_LCG_H_`
			`#define COSMOPOLITAN_LIBC_LCG_H_`
			`#if !(__ASSEMBLER__ + __LINKER__ + 0)`
Create ELF aliases for identical symbols This change greatly reduces the number of modules that need to be compiled. The only issue right now is that sometimes when viewing symbol table entries, the aliased symbol is chosen. 2023-06-06 10:30:37 +00:00			`#ifdef COSMO`
Initial import 2020-06-15 14:18:57 +00:00
			`forceinline uint64_t KnuthLinearCongruentialGenerator(uint64_t prev[1]) {`
			`/* Knuth, D.E., "The Art of Computer Programming," Vol 2,`
			`Seminumerical Algorithms, Third Edition, Addison-Wesley, 1998,`
			`p. 106 (line 26) & p. 108 */`
			`prev[0] = prev[0] * 6364136223846793005 + 1442695040888963407;`
Make improvements - Make rand64() thread safe - Introduce lemur64 lcg prng - Improve strace on New Technology - Improve msync() on New Technology 2022-04-07 07:15:35 +00:00			`return prev[0]; /* be sure to shift! */`
Initial import 2020-06-15 14:18:57 +00:00			`}`

Create ELF aliases for identical symbols This change greatly reduces the number of modules that need to be compiled. The only issue right now is that sometimes when viewing symbol table entries, the aliased symbol is chosen. 2023-06-06 10:30:37 +00:00			`#endif /* COSMO */`
Initial import 2020-06-15 14:18:57 +00:00			`#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */`
			`#endif /* COSMOPOLITAN_LIBC_LCG_H_ */`