desc "Numeric library for complex error functions"

homepage "https://jugit.fz-juelich.de/mlz/libcerf"

url "https://jugit.fz-juelich.de/mlz/libcerf/-/archive/v3.0/libcerf-v3.0.tar.gz"

sha256 "c6108fbda89af37f588119c0c542b6c1e824845a36bea2fa31f7ed2cc1a246db"

license "MIT"

version_scheme 1

head "https://jugit.fz-juelich.de/mlz/libcerf.git", branch: "master"

livecheck do

url "https://jugit.fz-juelich.de/api/v4/projects/269/releases"

regex(/libcerf[._-]v?((?!2\.0)\d+(?:\.\d+)+)/i)

end

bottle do

sha256 cellar: :any, arm64_sequoia: "093e9b7e5a294c1064d174f62b4a17e09bfb57f0fe2dd97b8b6091cf9e6d4ff6"

sha256 cellar: :any, arm64_sonoma: "8abb6bed129a07ae4601cd1bd84f1c4c062ad8eca2bdb15ea3fa33c1dd8e8f39"

sha256 cellar: :any, arm64_ventura: "05f13dcf138876b29e6a9ac49b356ee1afdaae3671a19973cdc6688b73f1cc07"

sha256 cellar: :any, sonoma: "d1f71ef6427fe87f8c1fca1ac83ff534a4b01086ae8835d8b14c2ea72710c97f"

sha256 cellar: :any, ventura: "52409e3c2993db96a2edcb1a9229530fb9b5d1f3375c1dfafe18476ccb087e5b"

sha256 cellar: :any_skip_relocation, arm64_linux: "0b2e39bf56ebf87f61fdb69caf20157ee0c20f1f55d0c57cd5676de672969ae5"

sha256 cellar: :any_skip_relocation, x86_64_linux: "b1181cfb82445d2b1fb89fbc80a2337d598ce59d8f71e9159344851eb05288e9"

end

depends_on "cmake" => :build

def install

system "cmake", "-S", ".", "-B", "build", *std_cmake_args

system "cmake", "--build", "build"

system "cmake", "--install", "build"

end

test do

(testpath/"test.c").write <<~C

#include <cerf.h>

#include <complex.h>

#include <math.h>

#include <stdio.h>

#include <stdlib.h>

int main (void) {

double _Complex a = 1.0 - 0.4I;

a = cerf(a);

if (fabs(creal(a)-0.910867) > 1.e-6) abort();

if (fabs(cimag(a)+0.156454) > 1.e-6) abort();

return 0;

}

C

system ENV.cc, "test.c", "-I#{include}", "-L#{lib}", "-lcerf", "-o", "test"

system "./test"

end