ScalProd3DStand (FUN)

FUNCTION ScalProd3DStand : LREAL

This function will calculate the cosine of the angle being drawn by two input vectors \(v_{1}, v_{2} \in \mathbb{R^{3}}\).

InOut:

Scope	Name	Type	Comment
Return	ScalProd3DStand	LREAL	If one of the input vector equals the null vector, 0 will be returned.
Input	pv1	POINTER TO Vector3d	Pointer to input vector \(v_{1} \in \mathbb{R}\)
	pv2	POINTER TO Vector3d	Pointer to input vector \(v_{2} \in \mathbb{R}\)