Deprecate SingleTensor and DoubleTensor

I think for now it's better to be explicit and then we can revisit the
need for this in the long term.

Author: gustavla

CHANGELOG.md

@@ -10,6 +10,7 @@ despite these frequent breaking changes.
 Released: TBD
 * Added `RandomState::shuffle`
 * Re-exports more functions to global namespace
+* Deprecated `SingleTensor` and `DoubleTensor` (they will be removed)
 
 ## 0.1.4
 Released: 2016-09-22

src/lib.rs

@@ -19,7 +19,6 @@ pub mod io;
 
 // Lift commonly used functions into the numeric namespace
 pub use tensor::{Tensor, AxisIndex, Ellipsis, StridedSlice, Index, Full, NewAxis};
-pub use tensor::{SingleTensor, DoubleTensor};
 
 pub use math::{log, ln, log10, log2, sin, cos, tan, asin, acos, atan, exp_m1, exp, exp2,
                ln_1p, sinh, cosh, tanh, asinh, acosh, atanh, atan2, sqrt,

src/tensor/mod.rs

@@ -93,9 +93,11 @@ impl<T: TensorTrait> Iterator for TensorIterator<T> {
 // Common type-specific tensors
 
 /// Type alias for `Tensor<f64>`
+#[deprecated(since="0.1.5", note="please use Tensor<f64> instead")]
 pub type DoubleTensor = Tensor<f64>;
 
 /// Type alias for `Tensor<f32>`
+#[deprecated(since="0.1.5", note="please use Tensor<f32> instead")]
 pub type SingleTensor = Tensor<f32>;
 
 /// Used for advanced slicing of a `Tensor`.