[Semibug] Need Help with C language

[Anthony Cascianelli]

Bitwise left shift. I think. 

Anthony Cascianelli

> On Oct 17, 2021, at 11:44 AM, Jonathan Drews <jondrews at fastmail.com> wrote:
> 
> 
> Hi Folks:
> 
>  I am trying to understand the C code in "Numerical Recipes for C". I came across this puzzling
> fragment:
> 
> for ( it=1, j=1; j <= n-1; j++ )  it <<= 1;
> .....
> .....
> I know that it << 1 is a bitwise shift operation. What does it <<= 1 mean?
> 
> 
> --
> Kind regards,
> Jonathan
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