60 lines
1.7 KiB
Ruby
60 lines
1.7 KiB
Ruby
class Arb < Formula
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desc "C library for arbitrary-precision interval arithmetic"
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homepage "http://arblib.org"
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url "https://github.com/fredrik-johansson/arb/archive/2.18.1.tar.gz"
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sha256 "9c5c6128c2e7bdc6e7e8d212f2b301068b87b956e1a238fe3b8d69d10175ceec"
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license "LGPL-2.1"
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head "https://github.com/fredrik-johansson/arb.git"
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bottle do
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cellar :any
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sha256 "9315171ee0802ba4fc1e1e8b799f387126c2c2a9adbc8501d659acd3781ad042" => :catalina
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sha256 "2674198ab1752ca366e40c6a0b46b62ea85c6035f28c49239658082d6054b3b1" => :mojave
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sha256 "0560ad466e4bcbe318c00619c86366f13d1265c178bbcdaea034c4064ee0d55e" => :high_sierra
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end
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depends_on "cmake" => :build
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depends_on "flint"
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depends_on "gmp"
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depends_on "mpfr"
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def install
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system "cmake", ".", *std_cmake_args
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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 <arb.h>
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int main()
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{
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slong prec;
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arb_t x, y;
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arb_init(x); arb_init(y);
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for (prec = 64; ; prec *= 2)
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{
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arb_const_pi(x, prec);
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arb_set_si(y, -10000);
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arb_exp(y, y, prec);
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arb_add(x, x, y, prec);
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arb_sin(y, x, prec);
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if (arb_rel_accuracy_bits(y) >= 53) {
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arb_printn(y, 15, 0); printf("\\n");
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break;
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}
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}
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arb_clear(x); arb_clear(y);
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flint_cleanup();
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}
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EOS
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system ENV.cc, "test.c", "-I#{include}", "-I#{Formula["flint"].opt_include}",
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"-L#{lib}", "-L#{Formula["flint"].opt_lib}",
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"-larb", "-lflint", "-o", "test"
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assert_match %r{\[-?\d+\.\d+e-\d+ \+/- \d+\.\d+e-\d+\]}, shell_output("./test")
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end
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end
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