nxt.math_ex

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isPow2 bool isPow2(T x)
isPow2A bool isPow2A(T x)
isPow2B bool isPow2B(T x): Check if x is an exact (binary) power of 2. * * See_Also: http://forum.dlang.org/thread/zumhmosfkvwjymjhmtlt@forum.dlang.org#post-fvnmurrctavpfkunssdf:40forum.dlang.org * See_Also: http://forum.dlang.org/post/hloonbgclzloqemycnth@forum.dlang.org
isPow2E bool isPow2E(T x)
isPow2F bool isPow2F(T x): ditto, avoids a jump instruction.
isPow2fast bool isPow2fast(T x): Check if x is an exact (binary) power of 2, except when x is zero then * zero is returned. * * See_Also: http://forum.dlang.org/thread/zumhmosfkvwjymjhmtlt@forum.dlang.org#post-fvnmurrctavpfkunssdf:40forum.dlang.org * See_Also: http://forum.dlang.org/post/hloonbgclzloqemycnth@forum.dlang.org