47 lines
1.5 KiB
Ruby
47 lines
1.5 KiB
Ruby
class Mpfr < Formula
|
|
desc "C library for multiple-precision floating-point computations"
|
|
homepage "https://www.mpfr.org/"
|
|
url "https://ftp.gnu.org/gnu/mpfr/mpfr-4.0.1.tar.xz"
|
|
mirror "https://ftpmirror.gnu.org/mpfr/mpfr-4.0.1.tar.xz"
|
|
sha256 "67874a60826303ee2fb6affc6dc0ddd3e749e9bfcb4c8655e3953d0458a6e16e"
|
|
|
|
bottle do
|
|
cellar :any
|
|
sha256 "223ac973eb796b275cf751111c458dc1466f82f302e96ca764ea091309d1a963" => :high_sierra
|
|
sha256 "a29b4585cb97715cdab177ea586b3fbee2c578248b115e3b86505724f2b0fc76" => :sierra
|
|
sha256 "33b9a9b53120eae11bf2d241d0285f1bb0410ff133d2ecc1d4df07846da93018" => :el_capitan
|
|
end
|
|
|
|
depends_on "gmp"
|
|
|
|
def install
|
|
system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}",
|
|
"--disable-silent-rules"
|
|
system "make"
|
|
system "make", "check"
|
|
system "make", "install"
|
|
end
|
|
|
|
test do
|
|
(testpath/"test.c").write <<~EOS
|
|
#include <mpfr.h>
|
|
#include <math.h>
|
|
#include <stdlib.h>
|
|
|
|
int main() {
|
|
mpfr_t x, y;
|
|
mpfr_inits2 (256, x, y, NULL);
|
|
mpfr_set_ui (x, 2, MPFR_RNDN);
|
|
mpfr_root (y, x, 2, MPFR_RNDN);
|
|
mpfr_pow_si (x, y, 4, MPFR_RNDN);
|
|
mpfr_add_si (y, x, -4, MPFR_RNDN);
|
|
mpfr_abs (y, y, MPFR_RNDN);
|
|
if (fabs(mpfr_get_d (y, MPFR_RNDN)) > 1.e-30) abort();
|
|
return 0;
|
|
}
|
|
EOS
|
|
system ENV.cc, "test.c", "-L#{lib}", "-L#{Formula["gmp"].opt_lib}",
|
|
"-lgmp", "-lmpfr", "-o", "test"
|
|
system "./test"
|
|
end
|
|
end
|