removed deferred ricci calculus feature for future work, removed nigh…

…tly feature

README.md

@@ -2,11 +2,6 @@
 
 A pedagogical attempt at auto-differentiation. This is based on the autograd package and other variations of it as well as literature references (eg: The Art of Differentiating Computer Programs, An Introduction to Algorithmic Differentiation – Uwe Naumann).
 
-Work in progress..
-
-# Note:
-- currently depends on Rust nightly
-
 # Support:
 - forward mode
 - reverse mode

src/core.rs

@@ -19,7 +19,7 @@ pub struct PtrVWrap(pub Rc<RefCell<VWrap>>);
 impl Hash for PtrVWrap {
     fn hash<H: Hasher>(&self, state: &mut H) {
         let p = Rc::downgrade(&self.0);
-        (Weak::as_raw(&p) as usize).hash(state);
+        (p.as_ptr() as usize).hash(state);
     }
 }
 

src/lib.rs

@@ -1,18 +1,15 @@
 // #[macro_use(s)]
 // pub use ndarray;
-#![feature(weak_into_raw)]
 
 #[cfg(test)]
 #[macro_use]
 extern crate lazy_static;
 
 mod core;
-mod ricci;
 mod valtype;
 
 mod interface {
     pub use crate::core::{Add, Cos, Div, Exp, Leaf, Ln, Mul, Pow, Sin, Tan};
-    pub use crate::ricci::*;
     pub use crate::valtype::ValType;
 }