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

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



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

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