Effect and Restrictions

Effect:

In a pseudocode notation, the general behaviour of aprintf() is like

$$\begin{minipage}[t]{\linewidth}\small\begin{tabbing} \verb$for e... ......, $$i_{R-1}$\verb$],$ \\ \>\verb$...)$ \\ \end{tabbing} \end{minipage}$$

where $(N_0, \ldots, N_{R-1})$ is the shape the arrays. The integer value $i_0$ is interpolated into the output wherever there is a %R0 in the control string; the value $i_1$ is interpolated wherever there is a %R1; and so on. The imaginary elemental printf operation outputs to System.out on the root process of the active process group.

Special options:

%R$D$:

It prints the current index value. $D$ stands for integer number like %R0, %R1, and so on. The format %R$D$ interpolates the index value into the string without the need to initialize an extra array of integer. Example:

$$\begin{minipage}[t]{\linewidth}\small\begin{verbatim} float [[-,-... ...a [1, 0] = 10.0 a [1, 1] = 11.0 a [1, 2] = 12.0\end{verbatim}\end{minipage}$$

%N:

It provides line breaking. It behaves exactly like the \n escape sequence. But %N allow an integer modifier. It defines the frequency with which the newline is printed. If the value of the modifier is $w$, the new line is only printed in every $w$th elemental print operation. Example: If we replace the aprintf() call in the previous example with

$$\begin{minipage}[t]{\linewidth}\small\begin{verbatim} Adlib.aprin... ... a [1, 0] = 10.0 a [1, 1] = 11.0 a [1, 2] = 12.0\end{verbatim}\end{minipage}$$

Shape restrictions:

All arrays should have the same shape.