homebrew-core/Formula/arb.rb

60 lines
1.7 KiB
Ruby

class Arb < Formula
desc "C library for arbitrary-precision interval arithmetic"
homepage "https://arblib.org"
url "https://github.com/fredrik-johansson/arb/archive/2.19.0.tar.gz"
sha256 "0aec6b492b6e9a543bdb3287a91f976951e2ba74fd4de942e692e21f7edbcf13"
license "LGPL-2.1-or-later"
head "https://github.com/fredrik-johansson/arb.git"
bottle do
cellar :any
sha256 "2247c9011332a8a0b58429fe87e32dafa1ab0d9e6ad949f63005879544ae7914" => :big_sur
sha256 "0e83a92b14db51893838ac8a35e0463593a986a75d95235ab574651acd437326" => :catalina
sha256 "585c4e018bb9a6d95fd68f8bc84d24069a14780c2eedc720cfd3e3ba479f68e6" => :mojave
end
depends_on "cmake" => :build
depends_on "flint"
depends_on "gmp"
depends_on "mpfr"
def install
system "cmake", ".", *std_cmake_args
system "make", "install"
end
test do
(testpath/"test.c").write <<~EOS
#include <arb.h>
int main()
{
slong prec;
arb_t x, y;
arb_init(x); arb_init(y);
for (prec = 64; ; prec *= 2)
{
arb_const_pi(x, prec);
arb_set_si(y, -10000);
arb_exp(y, y, prec);
arb_add(x, x, y, prec);
arb_sin(y, x, prec);
if (arb_rel_accuracy_bits(y) >= 53) {
arb_printn(y, 15, 0); printf("\\n");
break;
}
}
arb_clear(x); arb_clear(y);
flint_cleanup();
}
EOS
system ENV.cc, "test.c", "-I#{include}", "-I#{Formula["flint"].opt_include}",
"-L#{lib}", "-L#{Formula["flint"].opt_lib}",
"-larb", "-lflint", "-o", "test"
assert_match %r{\[-?\d+\.\d+e-\d+ \+/- \d+\.\d+e-\d+\]}, shell_output("./test")
end
end