Merge pull request #28 from termoshtt/backend_switch

Backend switch

Author: termoshtt

.travis.yml

@@ -12,7 +12,7 @@ os:
 cache: cargo
 
 matrix:
-  allow-failures:
+  allow_failures:
     - rust: nightly
 
 script:
@@ -26,3 +26,7 @@ addons:
     packages:
       - cmake
       - gfortran
+
+env:
+  - RUST_BACKTRACE=1 FEATURE=netlib
+  - RUST_BACKTRACE=1 FEATURE=openblas

Cargo.toml

@@ -1,23 +1,25 @@
 [package]
-name = "ndarray-linalg"
+name    = "ndarray-linalg"
 version = "0.3.0"
 authors = ["Toshiki Teramura <[email protected]>"]
 
-description = "Linear algebra package for rust-ndarray using LAPACK"
+description   = "Linear algebra package for rust-ndarray using LAPACK"
 documentation = "https://docs.rs/ndarray-linalg/"
-repository = "https://github.com/termoshtt/ndarray-linalg"
-keywords = ["ndarray", "lapack", "matrix"]
-license = "MIT"
+repository    = "https://github.com/termoshtt/ndarray-linalg"
+keywords      = ["ndarray", "lapack", "matrix"]
+license       = "MIT"
+
+[features]
+default  = ["openblas"]
+openblas = ["blas/openblas", "lapack/openblas"]
+netlib   = ["blas/netlib", "lapack/netlib"]
 
 [dependencies]
-lapack = "0.11"
-blas = "0.15"
 num-traits = "0.1.36"
-
-[dependencies.ndarray]
-version = "0.8"
-features = ["blas"]
+ndarray = { version = "0.8",  default-features = false, features = ["blas"] }
+lapack  = { version = "0.11", default-features = false }
+blas    = { version = "0.15", default-features = false }
 
 [dev-dependencies]
-ndarray-rand = "0.4"
+ndarray-rand    = "0.4"
 ndarray-numtest = "0.2"

tests/inv.rs

@@ -26,8 +26,9 @@ mod $modname {
     #[should_panic]
     fn inv_error() {
         // do not have inverse
-        let a = Array::range(1., 10., 1.).into_shape((3, 3)).unwrap();
-        let _ = a.$clone().inv().unwrap();
+        let a = Array::<f64, _>::zeros(9).into_shape((3, 3)).unwrap();
+        let a_inv = a.$clone().inv().unwrap();
+        println!("{:?}", a_inv);
     }
 }
 }} // impl_test