On Dec 11, 2015, at 2:00 PM, Frank Lesser <frank-lesser at lesser-software.com> wrote:

> Hi,
>  
> ( -16r100000001 bitShift: -32 ) = -2
> ( -16r100000000 bitShift: -32 ) = -1
>  
> looks odd to me,
>  
> guess the prim needs to be fixed

Looks correct to me:

	(-16r100000001 bitAnd: 16rFFFFFFFFFF) hex -> ‘16rFEFFFFFFFF’
		downshift this by 32 bits and you get 16rFFFFFFFE, which is -2

	(-16r100000000 bitAnd: 16rFFFFFFFFFF) hex  -> ‘16rFF00000000'
		downshift this by 32 bits and you get 16rFFFFFFFF, which is -1.

	— tim

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