srcmglplot/mgl2/data.h
inline void SetFormula(const char *eq)
	{
		mgl_delete_expr(ex);	dfunc=0;	par=0;
		if(eq && *eq)	{	ex = mgl_create_expr(eq);	str=eq;	}
		else	{	ex=0;	str="";	}
	}
/// Set formula to be used as dfunction

Set formula to be used as dfunction
Set formula to be used as dfunction
inline void SetFormula(const char *eq)
	{
		mgl_delete_expr(ex);	dfunc=0;	par=0;
		if(eq && *eq)	{	ex = mgl_create_expr(eq);	str=eq;	}
		else	{	ex=0;	str="";	}
	}
inline void SetFormula ( const char * eq ) { mgl_delete_expr ( ex ) ; dfunc = 0 ; par = 0 ; if ( eq && * eq ) { ex = mgl_create_expr ( eq ) ; str = eq ; } else { ex = 0 ; str = " " ; } }
Set formula to be used as dfunction
Set formula to be used as dfunction