v_invsqrt 267 modules/hal/include/opencv2/hal/intrin_cpp.hpp inline v_reg<_Tp, n> v_invsqrt(const v_reg<_Tp, n>& a) v_invsqrt 428 modules/hal/include/opencv2/hal/intrin_neon.hpp inline v_float32x4 v_invsqrt(const v_float32x4& x) v_invsqrt 683 modules/hal/include/opencv2/hal/intrin_sse.hpp inline v_float32x4 v_invsqrt(const v_float32x4& x) v_invsqrt 696 modules/hal/include/opencv2/hal/intrin_sse.hpp inline v_float64x2 v_invsqrt(const v_float64x2& x)