Rand() как именно генерируются эти числа - C++ - Ответ 6065596

/***
*rand.c - random number generator
*
*       Copyright (c) Microsoft Corporation. All rights reserved.
*
*Purpose:
*       defines rand(), srand() - random number generator
*
*******************************************************************************/
 
#include <cruntime.h>
#include <mtdll.h>
#include <stddef.h>
#include <stdlib.h>
 
 
/***
*void srand(seed) - seed the random number generator
*
*Purpose:
*       Seeds the random number generator with the int given.  Adapted from the
*       BASIC random number generator.
*
*Entry:
*       unsigned seed - seed to seed rand # generator with
*
*Exit:
*       None.
*
*Exceptions:
*
*******************************************************************************/
 
void __cdecl srand(unsigned int seed)
{
   _getptd()->_holdrand = (unsigned long)seed;
}
 
/***
*int rand() - returns a random number
*
*Purpose:
*       returns a pseudo-random number 0 through 32767.
*
*Entry:
*       None.
*
*Exit:
*       Returns a pseudo-random number 0 through 32767.
*
*Exceptions:
*
*******************************************************************************/
 
int __cdecl rand()
{
   _ptiddata ptd = _getptd();
 
   return( ((ptd->_holdrand = ptd->_holdrand * 214013L + 2531011L) >> 16) & 0x7fff);
}