homebrew-core/Formula/muparser.rb

62 lines
1.8 KiB
Ruby

class Muparser < Formula
desc "C++ math expression parser library"
homepage "https://beltoforion.de/article.php?a=muparser"
url "https://github.com/beltoforion/muparser/archive/v2.2.6.1.tar.gz"
sha256 "d2562853d972b6ddb07af47ce8a1cdeeb8bb3fa9e8da308746de391db67897b3"
head "https://github.com/beltoforion/muparser.git"
bottle do
cellar :any
sha256 "2a87b69702d3acb7f1e97cb090c891189465c8dc3692714361057dd8e586c4de" => :catalina
sha256 "c0feb51e0b10602b323d46f49d898ebb4cb36e00dcee42963d61b6c7ca27c23a" => :mojave
sha256 "611da2016012d77dbe1e5a9c85872cc8f8de23967b019ec039177b49fad2a0d1" => :high_sierra
sha256 "d5d3fd87e54d300578836ed61e066ef08b665050d7986e46ed6995eeee819088" => :sierra
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