The docs show:

#declare foo2 = function {
  spline {
    linear_spline
    0.0, <0,0,0>
    0.5, <1,0,0>
    1.0, <0,0,0>
    }
  }

#declare myvector2 = foo2(0.7);


I am testing code that has:

#declare SPL2_PX = spline{
        linear_spline
        #for(S_K, 0, S_NSites2D-1)
            S_K, A1D_V_P2D[S_K].x,
        #end
    }

#declare S_PX2 = function {SPL2_PX}

Parse Error: Expected 'operand', spline identifier found instead

Unless I'm doing something wrong.  Which is rather often the case.

- BE

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