Method fuzzyEqual

jni/venus/vec4.h:97–97

	}
	bool operator !=(const vec4<T>& rhs) const { return !(*this == rhs); }
	friend bool fuzzyEqual(const vec4<T>& lhs, const vec4<T>& rhs) { return lhs == rhs; }

	T length2() const { return x*x + y*y + z*z + w*w; }
	T length() const { return std::sqrt(x*x + y*y + z*z + w*w); }