Top Level Namespace

Defined Under Namespace

Modules: BigMath, Jacobian, Kernel, LUSolve, Newton Classes: BigDecimal, Complex, Float, Integer, NilClass, Rational, String

Instance Method Summary collapse

Instance Method Details

#check_bigdecimal_version(gemspec_path) ⇒ Object 



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# File 'ext/bigdecimal/extconf.rb', line 4

def check_bigdecimal_version(gemspec_path)
  message "checking RUBY_BIGDECIMAL_VERSION... "
  bigdecimal_version = File.read(gemspec_path).match(/^\s*s\.version\s+=\s+['"]([^'"]+)['"]\s*$/)[1]

  version_components = bigdecimal_version.split('.')
  bigdecimal_version = version_components[0, 3].join('.')
  bigdecimal_version << "-#{version_components[3]}" if version_components[3]
  $defs << %Q[-DRUBY_BIGDECIMAL_VERSION=\\"#{bigdecimal_version}\\"]

  message "#{bigdecimal_version}\n"
end

#have_builtin_func(name, check_expr, opt = "", &b) ⇒ Object 



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# File 'ext/bigdecimal/extconf.rb', line 16

def have_builtin_func(name, check_expr, opt = "", &b)
  checking_for checking_message(name.funcall_style, nil, opt) do
    if try_compile("int foo;\nint main() { \#{check_expr}; return 0; }\n", opt, &b)
      $defs.push(format("-DHAVE_BUILTIN_%s", name.tr_cpp))
      true
    else
      false
    end
  end
end