Gonum BLAS 
This repository is no longer maintained. Development has moved to https://github.com/gonum/gonum.
A collection of packages to provide BLAS functionality for the Go programming
language
Installation
go get github.com/gonum/blas
BLAS C-bindings
If you want to use OpenBLAS, install it in any directory:
git clone https://github.com/xianyi/OpenBLAS
cd OpenBLAS
make
The blas/cgo package provides bindings to C-backed BLAS packages. blas/cgo needs the CGO_LDFLAGS
environment variable to point to the blas installation. More information can be found in the
cgo command documentation.
Then install the blas/cgo package:
CGO_LDFLAGS="-L/path/to/OpenBLAS -lopenblas" go install github.com/gonum/blas/cgo
For Windows you can download binary packages for OpenBLAS at
SourceForge.
If you want to use a different BLAS package such as the Intel MKL you can
adjust the CGO_LDFLAGS variable:
CGO_LDFLAGS="-lmkl_rt" go install github.com/gonum/blas/cgo
On OS X the easiest solution is to use the libraries provided by the system:
CGO_LDFLAGS="-framework Accelerate" go install github.com/gonum/blas/cgo
Packages
blas
Defines BLAS API split in several
interfaces.
blas/native
Go implementation of the BLAS API (incomplete, implements the float32 and float64 API)
blas/cgo
Binding to a C implementation of the cblas interface (e.g. ATLAS, OpenBLAS, Intel MKL)
The recommended (free) option for good performance on both Linux and Darwin is OpenBLAS.
blas/blas64 and blas/blas32
Wrappers for an implementation of the double (i.e., float64) and single (float32)
precision real parts of the blas API
package main
import (
"fmt"
"github.com/gonum/blas/blas64"
)
func main() {
v := blas64.Vector{Inc: 1, Data: []float64{1, 1, 1}}
fmt.Println("v has length:", blas64.Nrm2(len(v.Data), v))
}
blas/cblas128 and blas/cblas64
Wrappers for an implementation of the double (i.e., complex128) and single (complex64)
precision complex parts of the blas API
Currently blas/cblas64 and blas/cblas128 require blas/cgo.
Issues
If you find any bugs, feel free to file an issue on the github issue tracker for gonum/gonum or gonum/netlib for the CGO implementation if the bug exists in that reposity; no code changes will be made to this repository. Other discussions should be taken to the gonum-dev Google Group.
https://groups.google.com/forum/#!forum/gonum-dev
License
Please see github.com/gonum/license for general
license information, contributors, authors, etc on the Gonum suite of packages.