77 lines
2.7 KiB
Ruby
77 lines
2.7 KiB
Ruby
class Openblas < Formula
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desc "Optimized BLAS library"
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homepage "https://www.openblas.net/"
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url "https://github.com/xianyi/OpenBLAS/archive/v0.3.18.tar.gz"
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sha256 "1632c1e8cca62d8bed064b37747e331a1796fc46f688626337362bf0d16aeadb"
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license "BSD-3-Clause"
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head "https://github.com/xianyi/OpenBLAS.git", branch: "develop"
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livecheck do
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url :stable
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strategy :github_latest
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end
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bottle do
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sha256 cellar: :any, arm64_big_sur: "1c56daf859f99c82d15b5c6a05a5d08ddeab1059cf997b6a92e603e827db99df"
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sha256 cellar: :any, big_sur: "c00c7a94be57deb38068b57fa44118e243ab267a199e3740e9cd68686a55199b"
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sha256 cellar: :any, catalina: "ae3b33c6bce2bbcce84f507067634fd9a2de2fda8d5cf7690f6dd26e46ba27ec"
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sha256 cellar: :any, mojave: "3d63e55578268f85721408933ed22f9d84f86a26e9c76b8b48a205a623900f7d"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "2111aaedc1bcc3d448844632a4ce1cab47ac52b199443ba362b41c25ba366a65"
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end
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keg_only :shadowed_by_macos, "macOS provides BLAS in Accelerate.framework"
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depends_on "gcc" # for gfortran
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fails_with :clang
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def install
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ENV.runtime_cpu_detection
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ENV.deparallelize # build is parallel by default, but setting -j confuses it
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ENV["DYNAMIC_ARCH"] = "1"
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ENV["USE_OPENMP"] = "1"
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# Force a large NUM_THREADS to support larger Macs than the VMs that build the bottles
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ENV["NUM_THREADS"] = "56"
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ENV["TARGET"] = case Hardware.oldest_cpu
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when :arm_vortex_tempest
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"VORTEX"
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else
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Hardware.oldest_cpu.upcase.to_s
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end
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# Must call in two steps
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system "make", "CC=#{ENV.cc}", "FC=gfortran", "libs", "netlib", "shared"
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system "make", "PREFIX=#{prefix}", "install"
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lib.install_symlink shared_library("libopenblas") => shared_library("libblas")
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lib.install_symlink shared_library("libopenblas") => shared_library("liblapack")
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end
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test do
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(testpath/"test.c").write <<~EOS
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "cblas.h"
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int main(void) {
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int i;
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double A[6] = {1.0, 2.0, 1.0, -3.0, 4.0, -1.0};
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double B[6] = {1.0, 2.0, 1.0, -3.0, 4.0, -1.0};
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double C[9] = {.5, .5, .5, .5, .5, .5, .5, .5, .5};
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cblas_dgemm(CblasColMajor, CblasNoTrans, CblasTrans,
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3, 3, 2, 1, A, 3, B, 3, 2, C, 3);
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for (i = 0; i < 9; i++)
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printf("%lf ", C[i]);
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printf("\\n");
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if (fabs(C[0]-11) > 1.e-5) abort();
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if (fabs(C[4]-21) > 1.e-5) abort();
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return 0;
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}
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EOS
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system ENV.cc, "test.c", "-I#{include}", "-L#{lib}", "-lopenblas",
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"-o", "test"
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system "./test"
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end
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end
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