API: Remove approx-0_5 feature (replaced by approx feature)

Cargo.toml

@@ -65,7 +65,7 @@ serde-1 = ["serde"]
 test = []
 
 # This feature is used for docs
-docs = ["approx", "approx-0_5", "serde", "rayon"]
+docs = ["approx", "serde", "rayon"]
 
 std = ["num-traits/std", "matrixmultiply/std"]
 rayon = ["rayon_", "std"]

README.rst

@@ -85,10 +85,6 @@ your `Cargo.toml`.
 
 - ``approx``
 
-  - Implementations of traits from version 0.4 of the [`approx`] crate.
-
-- ``approx-0_5``
-
   - Implementations of traits from version 0.5 of the [`approx`] crate.
 
 - ``blas``

src/doc/crate_feature_flags.rs

@@ -19,10 +19,7 @@
 //!   - Implies std
 //!
 //! ## `approx`
-//!   - Enables implementations of traits from version 0.4 of the [`approx`] crate.
-//!
-//! ## `approx-0_5`
-//!   - Enables implementations of traits from version 0.5 of the [`approx`] crate.
+//!   - Enables implementations of traits of the [`approx`] crate.
 //!
 //! ## `blas`
 //!   - Enable transparent BLAS support for matrix multiplication.

src/lib.rs

@@ -81,8 +81,7 @@
 //! - `std`: Rust standard library-using functionality (enabled by default)
 //! - `serde`: serialization support for serde 1.x
 //! - `rayon`: Parallel iterators, parallelized methods, the [`parallel`] module and [`par_azip!`].
-//! - `approx` Implementations of traits from version 0.4 of the [`approx`] crate.
-//! - `approx-0_5`: Implementations of traits from version 0.5 of the [`approx`] crate.
+//! - `approx` Implementations of traits from the [`approx`] crate.
 //! - `blas`: transparent BLAS support for matrix multiplication, needs configuration.
 //! - `matrixmultiply-threading`: Use threading from `matrixmultiply`.
 //!
@@ -1600,7 +1599,7 @@ pub mod linalg;
 mod impl_ops;
 pub use crate::impl_ops::ScalarOperand;
 
-#[cfg(any(feature = "approx", feature = "approx-0_5"))]
+#[cfg(feature = "approx")]
 mod array_approx;
 
 // Array view methods