add_line_plot_data Subroutine

public subroutine add_line_plot_data(self, x, y, label, linestyle, color_rgb, color_str, marker)

Add line plot data with comprehensive validation Refactored to be under 100 lines (QADS compliance)

Arguments

Type	Intent	Optional	Attributes		Name
class(figure_t),	intent(inout)			::	self
real(kind=wp),	intent(in)			::	x(:)
real(kind=wp),	intent(in)			::	y(:)
character(len=*),	intent(in),	optional		::	label
character(len=*),	intent(in),	optional		::	linestyle
real(kind=wp),	intent(in),	optional		::	color_rgb(3)
character(len=*),	intent(in),	optional		::	color_str
character(len=*),	intent(in),	optional		::	marker