Function tan

src/fl/math/math.h:365–365

// tan
inline float tanf(float value) FL_NOEXCEPT { return tan_impl_float(value); }
inline double tan(double value) FL_NOEXCEPT { return tan_impl_double(value); }
template<typename T> inline typename enable_if<is_integral<T>::value, float>::type
tan(T value) FL_NOEXCEPT { return tan_impl_float(static_cast<float>(value)); }