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void NR::normalized_sum ( Fvector &  r,
const Fvector &  a,
const Fvector &  b 
)

Computes the normalized sum of two Fvectors

Parameters:
r a Fvector reference where we store the result
a a Fvector reference
b a Fvector reference

Definition at line 166 of file nr-3dutils.cpp.

References normalize_vector().

                                                                    {
    r[X_3D] = a[X_3D] + b[X_3D];
    r[Y_3D] = a[Y_3D] + b[Y_3D];
    r[Z_3D] = a[Z_3D] + b[Z_3D];
    normalize_vector(r);
}


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