Adding C definitions from device.h and array.h

Author: pavanky

arrayfire.lua

@@ -1,3 +1,6 @@
 require('arrayfire.lib')
+require('arrayfire.util')
+require('arrayfire.array')
 require('arrayfire.device')
+
 return af

arrayfire/array.lua

@@ -0,0 +1,63 @@
+require('arrayfire.lib')
+require('class')
+local ffi  = require( "ffi" )
+
+local funcs = {}
+funcs[30] = [[
+    af_err af_create_array(af_array *arr, const void * const data,
+                           const unsigned ndims, const dim_t * const dims, const af_dtype type);
+
+    af_err af_create_handle(af_array *arr, const unsigned ndims,
+                            const dim_t * const dims, const af_dtype type);
+
+    af_err af_copy_array(af_array *arr, const af_array in);
+
+    af_err af_write_array(af_array arr, const void *data, const size_t bytes, af_source src);
+
+    af_err af_get_data_ptr(void *data, const af_array arr);
+
+    af_err af_release_array(af_array arr);
+
+    af_err af_retain_array(af_array *out, const af_array in);
+
+    af_err af_get_elements(dim_t *elems, const af_array arr);
+
+    af_err af_get_type(af_dtype *type, const af_array arr);
+    af_err af_get_dims(dim_t *d0, dim_t *d1, dim_t *d2, dim_t *d3,
+                             const af_array arr);
+
+    af_err af_get_numdims(unsigned *result, const af_array arr);
+
+    af_err af_is_empty        (bool *result, const af_array arr);
+
+    af_err af_is_scalar       (bool *result, const af_array arr);
+
+    af_err af_is_row          (bool *result, const af_array arr);
+    af_err af_is_column       (bool *result, const af_array arr);
+
+    af_err af_is_vector       (bool *result, const af_array arr);
+    af_err af_is_complex      (bool *result, const af_array arr);
+
+    af_err af_is_real         (bool *result, const af_array arr);
+    af_err af_is_double       (bool *result, const af_array arr);
+    af_err af_is_single       (bool *result, const af_array arr);
+    af_err af_is_realfloating (bool *result, const af_array arr);
+    af_err af_is_floating     (bool *result, const af_array arr);
+    af_err af_is_integer      (bool *result, const af_array arr);
+    af_err af_is_bool         (bool *result, const af_array arr);
+    af_err af_eval(af_array in);
+]]
+
+funcs[31] = [[
+    af_err af_get_data_ref_count(int *use_count, const af_array in);
+]]
+
+
+funcs[34] = [[
+    af_err af_eval_multiple(const int num, af_array *arrays);
+    af_err af_set_manual_eval_flag(bool flag);
+    af_err af_get_manual_eval_flag(bool *flag);
+    af_err af_is_sparse       (bool *result, const af_array arr);
+]]
+
+af.lib.cdef(funcs)

arrayfire/device.lua

@@ -1,4 +1,7 @@
 require('arrayfire.lib')
+local ffi  = require( "ffi" )
+ffi.cdef[[ int af_info(void); ]]
+
 af.info = function()
-   af.lib.af_info()
+   af.clib.af_info()
 end