23 #include <caml/alloc.h>
24 #include <caml/callback.h>
25 #include <caml/fail.h>
26 #include <caml/memory.h>
27 #include <caml/misc.h>
28 #include <caml/mlvalues.h>
29 #include <caml/bigarray.h>
38 #define wPointer_val( t, val ) ( *( (t **) Data_custom_val( val ) ) )
39 #define cairo_t_val( v ) wPointer_val( cairo_t, v )
43 CAMLparam1( context );
45 CAMLreturn( Val_unit );
value ml_set_plplot_cairo_context(value context)
void pl_cmd(PLINT op, void *ptr)
static PLFLT value(double n1, double n2, double hue)