#### IfcCurveWeightsPositive

##### Semantic definitions at the function

Function Definition

This function checks whether the curve weights of a b-spline are positive.

> NOTE Corresponding STEP function: curve_weights_positive. Please refer to ISO/IS 10303-42:1994, p.115 for the final definition of the formal standard.
> HISTORY New function in IFC Release 2x Edition 2.

##### Formal representations

EXPRESS Specification

FUNCTION IfcCurveWeightsPositive
(B: IfcRationalBezierCurve) : BOOLEAN;
LOCAL
Result : BOOLEAN := TRUE;
END_LOCAL;
REPEAT i := 0 TO B.UpperIndexOnControlPoints;
IF B.Weights[i] <= 0.0 THEN
Result := FALSE;
RETURN(Result);
END_IF;
END_REPEAT;
RETURN(Result);
END_FUNCTION;

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