Dev parallel (#4)

* added files for parallel statements

+ basic enum to handle range policy

* more parameters & ExecutionPolicy struct

should ExecSpace be backend specific or generic?

* doc params

* parallel_for signature

* added handler struct to dispatch work

feature-specified backend is used here

* more error handling

* upgrade deps

* completed DispatchError impls

* fused the two range policy enums

* RangePolicy & MDRange implems

* wrote a simple test for mdrange;

need to impl PartialEq for Views to complete it

* completed mdrange test; removed a forgotten todo

* more tests for range & mdrange

* more error handling & desc of range policies

* doc & fix warnings

Cargo.toml

@@ -3,10 +3,19 @@ name = "poc-kokkos-rs"
 version = "0.1.0"
 edition = "2021"
 
+# FEATURES 
+
+[features]
+serial = []
+threads = []
+rayon = ["dep:rayon"]
+
 # DEPENDENCIES
 
 [dependencies]
 cxx = "*"
+cfg-if = "*"
+rayon = {version = "*", optional=true}
 
 [dev-dependencies]
 criterion = { version = "*", features = ["html_reports"] }

src/lib.rs

@@ -75,4 +75,5 @@ pub mod ffi {
 }
 
 pub mod functor;
+pub mod routines;
 pub mod view;