Example 2: Single- and double-precision variants of the IPP vector summation API.
<b>(a) </b> IppStatus ippsSum_32f(const Ipp32f *pSrc, int len, Ipp32f* pSum, IppHintAlgorithm hint); <b>(b) </b> IppStatus ippsSum_64f(const Ipp64f *pSrc, int len, Ipp64f* pSum);