It resembles a first approximation to a rough draft...
[ipdf/sam.git] / chapters / Background / Rationals.tex
1         \begin{align}
2                 Q &= \frac{N}{D} 
3         \end{align}                     
4         \begin{itemize}
5                 \item $N$ and $D$ are arbitrary precision integers
6         \end{itemize}
7         \begin{align}
8                 N &= \sum_{i=0}^{S} d_i \beta^{i}
9         \end{align}     
10         \begin{itemize}
11                 \item $d_i$ are fixed size integers, $\beta = 2^{64}$
12                 \item Size $S$ grows as needed
13                 \item Operations are always exact
14                 \item Implemented by GNU Multiple Precision Library
15         \end{itemize}

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