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[WIP] Rewriting the wrapper to use luaffi #3

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21 changes: 0 additions & 21 deletions CMakeLists.txt

This file was deleted.

76 changes: 0 additions & 76 deletions CMakeModules/build_lua.cmake

This file was deleted.

21 changes: 0 additions & 21 deletions CMakeModules/lua_MSVC.patch

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88 changes: 28 additions & 60 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -2,42 +2,32 @@

[ArrayFire](https://github.com/arrayfire/arrayfire) is a high performance library for parallel computing with an easy-to-use API. It enables users to write scientific computing code that is portable across CUDA, OpenCL and CPU devices. This project provides Lua bindings for the ArrayFire library.

The wrapper is currently compliant with ArrayFire 3.2 API (and higher). If you find any bugs, please report them [here](https://github.com/arrayfire/arrayfire-lua/issues).
The wrapper is currently compliant with ArrayFire 3.4 API (and higher). If you find any bugs, please report them [here](https://github.com/arrayfire/arrayfire-lua/issues).

## Example

```lua
local AF = require("arrayfire")
Sample code:

AF.main(function()
local x = AF.randu(5, "f32")
AF.print("x", x)
AF.print("min of x", AF.min(x))
AF.print("max of x", AF.max(x))
end)
```
local af = require('arrayfire')
af.info()
a = af.Array{1, 2, 3, 4}
af.print(a)
```

Sample output:

```
$ lua examples/lua/helloworld/intro.lua
ArrayFire v3.2.1 (CUDA, 64-bit Linux, build f263db0)
Platform: CUDA Toolkit 7.5, Driver: 358.16
[0] GeForce GTX 690, 2047 MB, CUDA Compute 3.0
-1- GeForce GTX 690, 2048 MB, CUDA Compute 3.0

x
[5 1 1 1]
0.7402
0.9210
0.0390
0.9690
0.9251

min of x
[1 1 1 1]
0.0390
max of x
[1 1 1 1]
0.9690
ArrayFire v3.5.0 (CUDA, 64-bit Linux, build 06e605b0)
Platform: CUDA Toolkit 8, Driver: 378.13
[0] GeForce GTX 950, 1996 MB, CUDA Compute 5.2

ArrayFire Array
[4 1 1 1]
1.0000
2.0000
3.0000
4.0000

```

Expand All @@ -52,6 +42,11 @@ TODO
- `cmake`
- `Visual Studio` on Windows, `clang` / `gcc` on Linux / OSX.

Addiitonally, if you install the following Lua packages:

- [luarocks](https://github.com/keplerproject/luarocks)
- [luaffi](https://github.com/facebook/luaffifb) (Not required for LuaJIT)

### Get ArrayFire libraries

You can install ArrayFire using one of the following two ways.
Expand All @@ -65,37 +60,10 @@ You can install ArrayFire using one of the following two ways.

### Building the Lua module

**Windows**

1. Launch `cmake-gui`. Set source and build directories.
2. Press configure.
3. Select `generator` as `Visual Studio 12 2013 Win64`.
- You can choose a different generator as long as it is Win64.
4. Set `CMAKE_INSTALL_PREFIX` to a location of choice.
5. Press generate. The generated visual studio solution file will be present in the build directory.
6. Open the VS solution file and build the `INSTALL` project.

**Linux / OSX**

1. Make sure the environment variable `ArrayFire_DIR` is set to `/path/to/arrayfire/share/ArrayFire/cmake`.
2. Create a build directory and `cd` into it.
3. Run `cmake /path/to/arrayfire-lua/ -DCMAKE_INSTALL_PREFIX=package`.
4. Run `make`

### Setting up Lua paths

**Windows**

> SET LUA_PATH=C:\path\to\install\location\arrayfire\?.lua;;
> SET LUA_CPATH=C:\path\to\install\location\?.dll;;
> lua.exe helloworld/helloworld.lua

**Linux**

$ export LUA_PATH="/path/to/install/location/arrayfire/?.lua;;"
$ export LUA_CPATH="/path/to/install/location/?.so;;"
$ lua helloworld/helloworld.lua

```
cd /path/to/arrayfire-lua/
luarocks make
```

You should now be good to go!

Expand Down
11 changes: 11 additions & 0 deletions arrayfire.lua
Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
require('arrayfire.lib')
require('arrayfire.defines')
require('arrayfire.dim4')
require('arrayfire.util')
require('arrayfire.array')
require('arrayfire.arith')
require('arrayfire.algorithm')
require('arrayfire.blas')
require('arrayfire.device')

return af
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