Multi Dimension Arrays? Do we have them?

TJHJ

So I could have sworn I say something in the propeller manual about this, but I can not seem to find it again.

It C++ as an example, and if spin becomes C++, someone kill me.

SIZE_X = 10 SIZE_Y=5
int array[noparse][[/noparse]SIZE_X][noparse][[/noparse]SIZE_Y];

so really Ive got a 50 length array, that is accessed nicely from 0-9 and 0 -5.

Now for spin I tried defining it as

long array[noparse][[/noparse]SIZE_X] [noparse][[/noparse]SIZE_Y]

it doesn't like that.

So I keep wracking my brain and I cant seem to find a simple way to do this in spin. The best idea I have come up with is the following.

long array[noparse][[/noparse]50]

pub acessArray(x, y)
return array[noparse][[/noparse]x*10+y]

But that just seems fair as a solution at best, is there a better way to do this?

Thanks as always
TJ

mpark

In regular Spin, that's pretty much what you have to do.

Homespun does support multidimensional arrays. The syntax is arr[noparse][[/noparse]i,j] instead of arr[noparse][[/noparse]j].

TJHJ

Isnt BST using the homespun compiler? I keep getting a compiler error from it.

BradC

TJHJ said...
Isnt BST using the homespun compiler? I keep getting a compiler error from it.

No. The compiler in bst is released as a command line component called bstc. It's a completely different beast and does not support the multi-dimensional array extension.

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