61 lines
2 KiB
Ruby
61 lines
2 KiB
Ruby
class Openblas < Formula
|
|
desc "Optimized BLAS library"
|
|
homepage "http://www.openblas.net/"
|
|
url "https://github.com/xianyi/OpenBLAS/archive/v0.2.20.tar.gz"
|
|
sha256 "5ef38b15d9c652985774869efd548b8e3e972e1e99475c673b25537ed7bcf394"
|
|
head "https://github.com/xianyi/OpenBLAS.git", :branch => "develop"
|
|
|
|
bottle do
|
|
cellar :any
|
|
sha256 "1bb0db6885551ec021c2267c8e7ea662ef4877ac8c2a9b590d920866f018aea3" => :sierra
|
|
sha256 "15b53cdfdc5028719e559612ea41f432cfbd2d4448cc29202273636ff3980bf5" => :el_capitan
|
|
sha256 "95bb17c1ffeb1f652d24d0d064241a822804818ab8a317a39918a4cfe740b905" => :yosemite
|
|
end
|
|
|
|
keg_only :provided_by_osx,
|
|
"macOS provides BLAS and LAPACK in the Accelerate framework"
|
|
|
|
option "with-openmp", "Enable parallel computations with OpenMP"
|
|
needs :openmp if build.with? "openmp"
|
|
|
|
depends_on :fortran
|
|
|
|
def install
|
|
ENV["DYNAMIC_ARCH"] = "1" if build.bottle?
|
|
ENV["USE_OPENMP"] = "1" if build.with? "openmp"
|
|
|
|
# Must call in two steps
|
|
system "make", "CC=#{ENV.cc}", "FC=#{ENV.fc}", "libs", "netlib", "shared"
|
|
system "make", "PREFIX=#{prefix}", "install"
|
|
|
|
lib.install_symlink "libopenblas.dylib" => "libblas.dylib"
|
|
lib.install_symlink "libopenblas.dylib" => "liblapack.dylib"
|
|
end
|
|
|
|
test do
|
|
(testpath/"test.c").write <<-EOS.undent
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
#include "cblas.h"
|
|
|
|
int main(void) {
|
|
int i;
|
|
double A[6] = {1.0, 2.0, 1.0, -3.0, 4.0, -1.0};
|
|
double B[6] = {1.0, 2.0, 1.0, -3.0, 4.0, -1.0};
|
|
double C[9] = {.5, .5, .5, .5, .5, .5, .5, .5, .5};
|
|
cblas_dgemm(CblasColMajor, CblasNoTrans, CblasTrans,
|
|
3, 3, 2, 1, A, 3, B, 3, 2, C, 3);
|
|
for (i = 0; i < 9; i++)
|
|
printf("%lf ", C[i]);
|
|
printf("\\n");
|
|
if (fabs(C[0]-11) > 1.e-5) abort();
|
|
if (fabs(C[4]-21) > 1.e-5) abort();
|
|
return 0;
|
|
}
|
|
EOS
|
|
system ENV.cc, "test.c", "-I#{include}", "-L#{lib}", "-lopenblas",
|
|
"-o", "test"
|
|
system "./test"
|
|
end
|
|
end
|