homebrew-core/Formula/muparser.rb
2018-10-09 18:16:17 +00:00

63 lines
2 KiB
Ruby

class Muparser < Formula
desc "C++ math expression parser library"
homepage "http://beltoforion.de/article.php?a=muparser"
url "https://github.com/beltoforion/muparser/archive/v2.2.5.tar.gz"
sha256 "0666ef55da72c3e356ca85b6a0084d56b05dd740c3c21d26d372085aa2c6e708"
head "https://github.com/beltoforion/muparser.git"
bottle do
cellar :any
sha256 "30327cb512c873508e0a0db8b8b6af8e09eecd126f00462e2c8456cf54ad41f2" => :mojave
sha256 "5996f6d2fab05dbf570cf2622f09bfa89998d923944d840c0e81c79ca69358a6" => :high_sierra
sha256 "0e0432cc0a03c7657cae3873ac44a61583cc171218e78691c0b4d89105be4524" => :sierra
sha256 "126f7a337787b326f4727d12bbd4e9758609a41127e4145fecc69db131be4e80" => :el_capitan
sha256 "43a9e242f7abf60709e4b8fe8d629ddeb88d693af400d0e1aa894267b9d5b646" => :yosemite
sha256 "e6945023b6e8e758c0fd3ec69d66119a60b3179881b4dedd18bdfbddeb75eb53" => :mavericks
end
def install
system "./configure", "--disable-debug",
"--disable-dependency-tracking",
"--prefix=#{prefix}"
system "make", "install"
end
test do
(testpath/"test.cpp").write <<~EOS
#include <iostream>
#include "muParser.h"
double MySqr(double a_fVal)
{
return a_fVal*a_fVal;
}
int main(int argc, char* argv[])
{
using namespace mu;
try
{
double fVal = 1;
Parser p;
p.DefineVar("a", &fVal);
p.DefineFun("MySqr", MySqr);
p.SetExpr("MySqr(a)*_pi+min(10,a)");
for (std::size_t a=0; a<100; ++a)
{
fVal = a; // Change value of variable a
std::cout << p.Eval() << std::endl;
}
}
catch (Parser::exception_type &e)
{
std::cout << e.GetMsg() << std::endl;
}
return 0;
}
EOS
system ENV.cxx, "-I#{include}", "-L#{lib}", "-lmuparser",
testpath/"test.cpp", "-o", testpath/"test"
system "./test"
end
end