40 lines
1.2 KiB
Ruby
40 lines
1.2 KiB
Ruby
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class Blis < Formula
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desc "BLAS-like Library Instantiation Software Framework"
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homepage "https://github.com/flame/blis"
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url "https://github.com/flame/blis/archive/0.6.0.tar.gz"
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sha256 "ad5765cc3f492d0c663f494850dafc4d72f901c332eb442f404814ff2995e5a9"
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head "https://github.com/flame/blis.git"
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def install
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system "./configure", "--prefix=#{prefix}", "--enable-cblas", "auto"
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system "make"
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system "make", "install"
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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 "blis/blis.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, "-o", "test", "test.c", "-I#{include}", "-L#{lib}", "-lblis", "-lm"
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system "./test"
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end
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end
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