Merge pull request #153 from rust-ndarray/build_document_without_features

Make blas/lapack-src non-optional

Author: termoshtt

Cargo.toml

@@ -34,9 +34,7 @@ default-features = false
 [dependencies.blas-src]
 version = "0.3"
 default-features = false
-optional = true
 
 [dependencies.lapack-src]
 version = "0.3"
 default-features = false
-optional = true