_m_pfpnacc
Microsoft Specific
Performs packed floating-point, single-precision positive-negative accumulation.
__m64 _m_pfpnacc( __m64 m1, __m64 m2 );
Remarks
The _m_pfpnacc function returns a 64-bit MMX value. There is no error return.
Requirements
Header: mm3dnow.h
END Microsoft Specific