topic ippsPhase_32fc in Intel® Integrated Performance Primitives

ippsPhase_32fc

thorsan — Wed, 17 Jun 2009 19:29:15 GMT

Hi,

Wat algorithm is used for computation of the phase of complex numbers. What kind of atan2/log is used? What is the accuracy?

Thanks,
Thor Andreas

Re: ippsPhase_32fc

Vladimir_Dudnik — Thu, 18 Jun 2009 15:42:38 GMT

There is comment from our expert:

For phase log is not needed. For atan IPP uses internal ~21-23 bit accuracy algorithm.

Regards,
Vladimir