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