FUNCTION curve_weights_positive

(* SCHEMA STRUCTURAL_FRAME_SCHEMA; *)


FUNCTION curve_weights_positive 
 		(b: rational_b_spline_curve) : BOOLEAN;
   LOCAL
	 result : BOOLEAN := TRUE;
   END_LOCAL;
 
   REPEAT i := 0 TO b.upper_index_on_control_points;
	 IF b.weights[i] <= 0.0 THEN
	 result := FALSE;
	 RETURN(result);
	 END_IF;
   END_REPEAT;
 RETURN(result);
END_FUNCTION;  (*  STEP Part 42 (unchanged in 2nd edition)  *)

Referenced By

Defintion curve_weights_positive is references by the following definitions:

Definition	Type
rational_b_spline_curve	ENTITY

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