rsqrt function
Computes reciprocal of square root of x element-wise.
Args:
- x: A variable. Must be one of the following types: Halide_Type_Int or Halide_Type_Float
Returns:
- A variable. Has the same type as x.
Implementation
VARP rsqrt(VARP x) => VARP.fromPointer(C.mnn_expr_Rsqrt(x.ptr));