>
    <span class="n">A</span> <span class="o">=</span> <span class="n">cie_interp</span><span class="p">(</span><span class="n">_CIE_ILLUMINANTS</span><span class="p">[</span><span class="s1">&#39;A&#39;</span><span class="p">],</span><span class="n">EEW</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span><span class="n">datatype</span><span class="o">=</span><span class="s1">&#39;spd&#39;</span><span class="p">)</span>
    <span class="n">C</span> <span class="o">=</span> <span