71 lines
2.3 KiB
Ruby
71 lines
2.3 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/v0.3.12.tar.gz"
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sha256 "65a7d3a4010a4e3bd5c0baa41a234797cd3a1735449a4a5902129152601dc57b"
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license "BSD-3-Clause"
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revision 1
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head "https://github.com/xianyi/OpenBLAS.git", branch: "develop"
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bottle do
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cellar :any
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sha256 "8def8b61291e35a289076dfeb63ccaee07f7f28528d2b2de9c64d8903527dbbe" => :big_sur
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sha256 "3a8a800e16c419c04461186ee4bf2973fe980ef441492508fca0e180d8c1611d" => :catalina
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sha256 "e9526801fff63549e268e1bee22d0181b765e6b22b11dc27269692124dae9abb" => :mojave
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sha256 "176a723045e04c26df8bb9477b0af370a86ae105f8e570669dc0492025a9a1b1" => :high_sierra
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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["DYNAMIC_ARCH"] = "1"
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ENV["USE_OPENMP"] = "1"
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ENV["NO_AVX512"] = "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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