rsqrt

template<typename type> type FX::Maths::rsqrt ( const type &  v  )  [inline] Returns the reciprocal square root of a value. Definition at line 89 of file FXMaths.h. References sqrt(). { return 1/sqrt(v); }

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(C) 2002-2009 Niall Douglas. Some parts (C) to assorted authors.