 man page</a>  /// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.0.00.0.pdf">GLSL 0.00.0 specification, section 0.0 Vector Relational Functions</a>  template <precision P, template <typename, precision> class vecType>  GLM_FUNC_DECL vecType<bool, P> not_(vecType<bool, P> const & v)