62 lines
2 KiB
Ruby
62 lines
2 KiB
Ruby
class Openblas < Formula
|
|
desc "Optimized BLAS library"
|
|
homepage "https://www.openblas.net/"
|
|
url "https://github.com/xianyi/OpenBLAS/archive/v0.3.4.tar.gz"
|
|
sha256 "4b4b4453251e9edb5f57465bf2b3cf67b19d811d50c8588cdf2ea1f201bb834f"
|
|
head "https://github.com/xianyi/OpenBLAS.git", :branch => "develop"
|
|
|
|
bottle do
|
|
cellar :any
|
|
sha256 "8e793c793676bfcec1871086beb2388554af4f043bc913ae1c6ed225f0dd1b06" => :mojave
|
|
sha256 "9b8be755e4700ab9e4d8f778682483f8f9353ee468ed7919f2607e3b3abcb933" => :high_sierra
|
|
sha256 "82a17700bad90768044add63c810c6e530bb93f23542e4fd22bc6e50ea669ced" => :sierra
|
|
end
|
|
|
|
keg_only :provided_by_macos,
|
|
"macOS provides BLAS and LAPACK in the Accelerate framework"
|
|
|
|
option "with-openmp", "Enable parallel computations with OpenMP"
|
|
|
|
depends_on "gcc" # for gfortran
|
|
|
|
fails_with :clang if build.with? "openmp"
|
|
|
|
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=gfortran", "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
|
|
#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
|