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Vadim Sytnikov <syt### [at] ru com> wrote:
> Not in this case. '/2' and '>>1' are only equivalent for unsigned values
> (although this can also be applied to signed variables known [by the
> compiler] to contain positive values).
The compiler will always generate a shift opcode for integer/2, regardless
of whether 'integer' is signed or unsigned. Processors have two kinds of
shift right opcode for this.
IIRC, this applies to integer>>1 as well. Thus they are completely
equivalent.
--
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -
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