OPENGL NUMBER TYPES

Some number types in OpenGL:

GL TYPE	ANSI C Equivalent	GL suffix	LENGTH
GLbyte	signed char	b	8
GLshort	short integer	s	16
GLint, GLsizei	long integer	i	32
GLfloat, GLclampf	float	f	32
GLdouble, GLclampd	double	d	64

See [Manual, p.26] or [Guide, Ch.1, p.8] for more complete list.