Function cos

fem/coefficient_stdmath.cpp:288–291

    return MakeStdMathFunction<GenericSin>(x);
  }
  shared_ptr<CoefficientFunction> cos(shared_ptr<CoefficientFunction> x)
  {
    return MakeStdMathFunction<GenericCos>(x);
  }
  shared_ptr<CoefficientFunction> tan(shared_ptr<CoefficientFunction> x)
  {
    return MakeStdMathFunction<GenericTan>(x);