getsum.c

来自「DSP编程」· C语言 代码 · 共 25 行

/* The GETSUM.c file */

INT32U GetSum_U(void *pStart, INT32U wordsize)
{
  INT32U i, *p, sum = 0;
  
  p = (INT32U *)pStart;
  for(i=0;i<wordsize;i++)
     sum += *p++;
  return sum;
}

INT32S GetSum_S(void *pStart, INT32U wordsize)
{
  INT32U i;
  INT32S *p, sum = 0;
  p = (INT32S *)pStart;
  for(i=0;i<wordsize;i++)
     sum += *p++;
  return sum;
}