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Lines Matching refs:from_index

287 static double from_index;
593 	      FROM_INDEX		  Refractive index of medium being left
625 	      rang_sin = (from_index / to_index) *
635 	   object_distance = object_distance * (to_index / from_index);
636 	   axis_slope_angle = axis_slope_angle * (from_index / to_index);
650 	   rang_sin = (from_index / to_index) *
663 	rang = -asin((from_index / to_index) *
666 	   cos(-rang)) / (from_index *
681 	from_index = 1.0;
692 	   from_index = to_index;