This documentation is archived and is not being maintained.

_m_pfrsqit1

Microsoft Specific

Performs the first intermediate step in the Newton-Raphson iteration to refine the reciprocal square root approximation produced by _m_pfsqrt intrinsic function.


__m64 _m_pfrsqit1( __m64 m1, __m64 m2 );

The _m_pfrsqit1 function returns a 64-bit MMX value. There is no error return.

Header: mm3dnow.h

END Microsoft Specific

Show: