feat: Implement Array type

src/array.c

@@ -0,0 +1,53 @@
+typedef struct Array
+{
+    double *data;
+    int *shape;
+    int ndim;
+    int size;
+} Array;
+
+Array array_new(int ndim, int *shape)
+{
+    int size = 1;
+    for (int i = 0; i < ndim; i++)
+    {
+        size *= shape[i];
+    }
+    Array array = {
+        .data = malloc(size * sizeof(double)),
+        .ndim = ndim,
+        .shape = shape,
+    };
+    return array;
+}
+
+Array array_new_1d(int size)
+{
+    int *shape = malloc(sizeof(int));
+    shape[0] = size;
+    return array_new(1, shape);
+}
+
+Array array_new_2d(int size_0, int size_1)
+{
+    int *shape = malloc(sizeof(int));
+    shape[0] = size_0;
+    shape[1] = size_1;
+    return array_new(2, shape);
+}
+
+Array array_free(Array array)
+{
+    free(array.data);
+    free(array.shape);
+}
+
+Array array_add(Array a, Array b, Array out)
+{
+    if (a.ndim != b.ndim)
+        printf("error: could not add arrays with different dimensions %d and %d",
+               a.ndim, b.ndim);
+    // work in progress
+    // for (int i = 0; i < 0)
+    exit(1);
+}